---
title: "Ampere - battery charge info - Reviews, Revenue and Downloads in United Kingdom | Apple App Store"
description: "Take Control of Your Power with Amperes 4   Stop guessing why your phone is charging slowly. Amperes 4 is the ultimate diagnostic tool designed to help you test your charging setup, identify faulty ha"
---

# Ampere - battery charge info — United Kingdom
> Battery alarm, info and tests

![Ampere App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/02/00/ac/0200aced-8215-de72-ce2e-11eba44b1ad0/AppIcon-0-0-1x_U007epad-0-1-0-sRGB-85-220.png/434x0w.png)

**Developer:** [CrioSoft](https://apptail.io/developer/criosoft-zuv) (United States)
**Category:** Utilities
**Rating:** 4.1/5 (48 ratings)
**Price:** Free
**Bundle ID:** com.criosoft.amperes1
**Store:** Apple App Store
**Country:** United Kingdom
**Version:** 4.5.2 (released 2026-03-24)
**Original Release:** 2017-07-02
**Languages:** English, Afrikaans, Arabic, Armenian, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, Georgian, German, Greek (modern), Hebrew (modern), Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Mongolian, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Chinese, Slovak, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/gb/app/app/id1245475416)
**AppTail Page:** [https://apptail.io/app/amperes-4-battery-charge-info-Rim/united-kingdom](https://apptail.io/app/amperes-4-battery-charge-info-Rim/united-kingdom)

## Ampere Description
Take Control of Your Power with Amperes 4


Stop guessing why your phone is charging slowly. Amperes 4 is the ultimate diagnostic tool designed to help you test your charging setup, identify faulty hardware, and monitor your device's health with professional-grade precision.



Key Features


Battery Charging Rates: Get the mA and wattage data to see exactly how much juice is flowing into your battery.

Hardware Comparisons: Side-by-side testing for wired vs. wireless chargers, power banks, and different cable types.

Deep Data & Graphs: Visualize your charging sessions with detailed, interactive graphs that track performance over time.

Global Benchmarking: Compare your charging speeds with other users online to see if your gear is performing at its peak.

Intelligent Battery Alarms: Get notified the moment your battery reaches your desired level to help prolong its lifespan.

System Vital Monitoring: Track thermal status, memory usage, and disk space alongside your battery metrics.

Professional Testing Tools
Customized Logging: Add notes about wire brands or charger models to your tests for future reference.

Color-Coded Results: Intuitive UI instantly shows you if a charger is "Good," "Average," or "Bad."

Exportable Data: Need the raw numbers? Export your test results for external analysis or record-keeping.



Why Amperes 4?


Whether you are testing a brand-new GaN charger, verifying a "fast-charging" cable, or troubleshooting a power bank, Amperes 4 gives you the transparency you need to keep your devices running efficiently.



Stop wasting time with bad cables. Get the data. Get Amperes 4.

## Ampere Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/01/12/92/011292a6-cd74-9fdd-4b0e-96a6f918fc38/1_screen.jpg/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ec/b3/d9/ecb3d938-bcf5-58cf-ecfa-a69f4afd1372/2a_screen.jpg/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/6e/d2/2a/6ed22adc-18dd-ec9b-7e01-d2aecb4104ba/3a_screen.jpg/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b6/20/e1/b620e15e-d5b1-8e04-b7a4-367661f1d758/4_screen.jpg/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/42/66/0f/42660f85-9808-57d4-6ac2-741e79723286/6a_screen.jpg/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/06/0a/e3/060ae396-ff5e-6071-e414-8b65e7c53b3b/6_screen.jpg/1284x2778.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d2/28/23/d2282389-50be-62a3-2aef-5db29aa4dfcc/7_screen.jpg/1284x2778.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/60/ae/ce/60aece66-798a-28f6-3d0d-3d1e5f28bff1/8_screen.jpg/1284x2778.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/6e/d5/ef/6ed5efdc-81e8-2081-9e85-d79394d5ebbe/9_screen.jpg/1284x2778.png)
- [Screenshot 10](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/2a/5b/79/2a5b7925-0a3e-c046-8c93-8fe1a50346a3/1_screen-n.jpeg/1284x2778.png)

## Ampere Rating Breakdown in United Kingdom
- 5 stars: 32 (67%)
- 4 stars: 6 (13%)
- 3 stars: 0 (0%)
- 2 stars: 2 (4%)
- 1 stars: 8 (17%)

## Ampere Reviews in United Kingdom

### **--- "Close to useless"
Doesn't really tell you much that you can't find somewhere in system settings natively.
Particularly disappointed with the battery measurement features. Really doesn't tell you much other than whether it's charging, and current battery level, which you can lookup but simply raising your eyes to the IPad's upper right corner.
-- MiguelJazz, 2023-08-06

### ***** "So far so good"
Appears to be a precise tool. No complaints. Not sure about what the “bundled” software is or how to get it without paying again but I bought it for the charging comparator and the charged alarm which work perfectly.
-- 513645, 2021-07-24

### *---- "Pointless, misleading app"
The app is simply trying to time the charge and nothing more. No access to hardware sensors at all. Even this does not work properly, it gives out completely random results. Takes random amount of time for a test on the same charger/phone. Waste of money, you are better off timing a charge level with a stop watch.
-- Vas_82, 2020-10-27

### *---- "Misleading information about this app."
I bought this app after searching for something to allow me to see the rate my iPad is charging at. This doesn’t do that at all. I know its Charing, and I know the level the battery is at; the iPad itself can tell me that. Not impressed.
-- hwmnbi, 2020-04-12

### **--- "Way too random and unreliable."
I used to trust this, but recently its just giving random test results. 
Either all my devices, cables, PSU’s etc have become faculty, or the amp is just not doing what it’s supposed to. Testing 3 times gives huge differences on my iPad Pro 2017 and iPhone XS Max. Each test drops but up to a 3rd of the the previous test. After 3 consecutive tests my 30watt Apple charger went from 25watts, down to 5watts...apparently. This is happening with at least 3 high powered USB C chargers/cables that do actually fast charge fine.
-- dave_bass5, 2020-03-29

### *---- "Same problem as poster 27th sept"
Far too slow.

Battery level was at 80%

Been running for over half an hour which is just far too long to have to wait for a result

Edit: just ram the wizzard wish took a while so popped out.  Came back, wizard had closed so no results grrrrrrrrrr.  Seems that the results are not stored unless i missed something?  Talk about frustrating

I know its only 99p but want a refund please
-- perolhead, 2019-10-31

### *---- "Does not work - misleading app description"
I have an iPad Pro 2nd gen and I just bought this app to measure the charging amperage so that I can select the best charger and cable. It loads up fine, and to test the amperage it says that it should take max 10 mins.

First of all, it doesn’t do anything for over 1 hour (and yes I pressed the button to start the test)

Second, it was not clear in the app details on the App Store that it takes 10mins to work out the amperage. Also, I guess that the amperage is calculated based on time, battery percentage and battery capacity. So this is a mathematical estimate rather than a sensor reading, which I would want to know before I paid to use this app.

I bought an amp measuring dongle instead, which will give me real time accurate data.

+update
I read the developer’s response. I understand why the app had to change its testing method. I would suggest to make that clear in the app description. If it was, then I would not have purchased it. Also, I tried the testing with many chargers and cables, including Apple’s own. I left it to run for over 30mins and it never gives a result.

I sympathise with with the developer for the way he was treated by Apple, but I don’t think that I should pay for that.
-- ian.i71, 2019-09-22

### *---- "Hard to understand"
Doesn’t say you have to have certain charge levels before you download so you can’t just use it straight away. Messy user interface. They haven’t really thought about ease of use.
-- Dave is not happy, 2019-07-29

### ***** "battery info"
Excellent programm!
-- ivanbrovkin, 2019-03-06

### *---- "Absolute rubbish"
Test takes too long, no indication of how far it has gone & never completed on my phone. Save your money!
-- trainersbuk, 2018-12-06

[View all Ampere reviews and detailed analytics on AppTail](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=reviews)


## Ampere Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Paid | Pakistan | Utilities | #4 |
| Top Paid | Philippines | Utilities | #6 |
| Top Paid | Greece | Utilities | #9 |
| Top Paid | Pakistan | Overall | #21 |
| Top Paid | Türkiye | Utilities | #24 |
| Top Paid | Czechia | Utilities | #25 |
| Top Paid | Taiwan | Utilities | #27 |
| Top Paid | Indonesia | Utilities | #30 |
| Top Paid | Denmark | Utilities | #31 |
| Top Paid | Romania | Utilities | #32 |
| Top Paid | India | Utilities | #37 |
| Top Paid | Philippines | Overall | #41 |
| Top Paid | Japan | Utilities | #54 |
| Top Paid | Italy | Utilities | #54 |
| Top Paid | Vietnam | Utilities | #55 |
| Top Paid | Hungary | Utilities | #57 |
| Top Paid | Poland | Utilities | #58 |
| Top Paid | Brazil | Utilities | #60 |
| Top Paid | Egypt | Utilities | #65 |
| Top Paid | Greece | Overall | #65 |
| Top Paid | Ukraine | Utilities | #69 |
| Top Paid | Thailand | Utilities | #76 |
| Top Paid | Malaysia | Utilities | #82 |
| Top Paid | United States | Utilities | #88 |
| Top Paid | Belarus | Utilities | #94 |
| Top Paid | Germany | Utilities | #95 |
| Top Paid | Azerbaijan | Utilities | #107 |
| Top Paid | Singapore | Utilities | #117 |
| Top Paid | Finland | Utilities | #120 |
| Top Paid | Saudi Arabia | Utilities | #125 |
| Top Paid | Israel | Utilities | #131 |
| Top Paid | Russia | Utilities | #140 |
| Top Paid | Hong Kong SAR China | Utilities | #147 |
| Top Paid | Argentina | Utilities | #152 |
| Top Paid | Canada | Utilities | #153 |
| Top Paid | Kazakhstan | Utilities | #157 |
| Top Paid | Indonesia | Overall | #166 |
| Top Paid | Australia | Utilities | #169 |
| Top Paid | Portugal | Utilities | #171 |
| Top Paid | Kuwait | Utilities | #172 |
| Top Paid | United Arab Emirates | Utilities | #176 |
| Top Paid | Romania | Overall | #176 |
| Top Paid | Nigeria | Utilities | #177 |
| Top Paid | South Africa | Utilities | #178 |
| Top Paid | South Korea | Utilities | #178 |
| Top Paid | Ireland | Utilities | #182 |
| Top Paid | Chile | Utilities | #185 |
| Top Paid | Lebanon | Utilities | #189 |
| Top Paid | Norway | Utilities | #195 |
| Top Paid | Taiwan | Overall | #198 |
| Top Paid | Colombia | Utilities | #201 |
| Top Paid | Czechia | Overall | #204 |
| Top Paid | Peru | Utilities | #209 |
| Top Paid | Belgium | Utilities | #219 |
| Top Paid | Türkiye | Overall | #224 |
| Top Paid | Sweden | Utilities | #230 |
| Top Paid | Dominican Republic | Utilities | #234 |
| Top Paid | Spain | Utilities | #238 |
| Top Paid | China | Utilities | #241 |
| Top Paid | Netherlands | Utilities | #241 |
| Top Paid | Austria | Utilities | #251 |
| Top Paid | Mexico | Utilities | #268 |
| Top Paid | New Zealand | Utilities | #274 |
| Top Paid | Ecuador | Utilities | #278 |
| Top Paid | Switzerland | Utilities | #283 |
| Top Paid | Denmark | Overall | #283 |
| Top Paid | Vietnam | Overall | #288 |
| Top Paid | Poland | Overall | #291 |
| Top Paid | India | Overall | #310 |
| Top Paid | Italy | Overall | #337 |
| Top Paid | Hungary | Overall | #345 |
| Top Paid | France | Utilities | #382 |
| Top Paid | United Kingdom | Utilities | #393 |
| Top Paid | Egypt | Overall | #421 |
| Top Paid | Brazil | Overall | #438 |
| Top Paid | Ukraine | Overall | #477 |

## Ampere Discovered Keywords
- ampere
- battery charge info
- amperes 3
- batteryfull
- charge alert

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## Ampere Available In
- [United States](https://apptail.io/app/amperes-4-battery-charge-info-Rim/united-states)
- [Taiwan](https://apptail.io/app/amperes-4-battery-charge-info-Rim/taiwan)
- [Indonesia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/indonesia)
- [China](https://apptail.io/app/amperes-4-battery-charge-info-Rim/china)
- [Russia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/russia)
- [Thailand](https://apptail.io/app/amperes-4-battery-charge-info-Rim/thailand)
- [United Kingdom](https://apptail.io/app/amperes-4-battery-charge-info-Rim/united-kingdom)
- [Canada](https://apptail.io/app/amperes-4-battery-charge-info-Rim/canada)
- [Australia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/australia)
- [Japan](https://apptail.io/app/amperes-4-battery-charge-info-Rim/japan)
- [Germany](https://apptail.io/app/amperes-4-battery-charge-info-Rim/germany)
- [Vietnam](https://apptail.io/app/amperes-4-battery-charge-info-Rim/vietnam)
- [Poland](https://apptail.io/app/amperes-4-battery-charge-info-Rim/poland)
- [Hong Kong SAR China](https://apptail.io/app/amperes-4-battery-charge-info-Rim/hong-kong)
- [Malaysia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/malaysia)
- [Brazil](https://apptail.io/app/amperes-4-battery-charge-info-Rim/brazil)
- [Singapore](https://apptail.io/app/amperes-4-battery-charge-info-Rim/singapore)
- [Italy](https://apptail.io/app/amperes-4-battery-charge-info-Rim/italy)
- [Romania](https://apptail.io/app/amperes-4-battery-charge-info-Rim/romania)
- [Switzerland](https://apptail.io/app/amperes-4-battery-charge-info-Rim/switzerland)
- [Spain](https://apptail.io/app/amperes-4-battery-charge-info-Rim/spain)
- [Sweden](https://apptail.io/app/amperes-4-battery-charge-info-Rim/sweden)
- [Türkiye](https://apptail.io/app/amperes-4-battery-charge-info-Rim/turkey)
- [Ukraine](https://apptail.io/app/amperes-4-battery-charge-info-Rim/ukraine)
- [Saudi Arabia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/saudi-arabia)
- [Hungary](https://apptail.io/app/amperes-4-battery-charge-info-Rim/hungary)
- [Netherlands](https://apptail.io/app/amperes-4-battery-charge-info-Rim/netherlands)
- [Mexico](https://apptail.io/app/amperes-4-battery-charge-info-Rim/mexico)
- [South Korea](https://apptail.io/app/amperes-4-battery-charge-info-Rim/south-korea)
- [France](https://apptail.io/app/amperes-4-battery-charge-info-Rim/france)
- [Philippines](https://apptail.io/app/amperes-4-battery-charge-info-Rim/philippines)
- [India](https://apptail.io/app/amperes-4-battery-charge-info-Rim/india)
- [Czechia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/czechia)
- [Chile](https://apptail.io/app/amperes-4-battery-charge-info-Rim/chile)
- [South Africa](https://apptail.io/app/amperes-4-battery-charge-info-Rim/south-africa)
- [Austria](https://apptail.io/app/amperes-4-battery-charge-info-Rim/austria)
- [Norway](https://apptail.io/app/amperes-4-battery-charge-info-Rim/norway)
- [United Arab Emirates](https://apptail.io/app/amperes-4-battery-charge-info-Rim/united-arab-emirates)
- [Greece](https://apptail.io/app/amperes-4-battery-charge-info-Rim/greece)
- [Israel](https://apptail.io/app/amperes-4-battery-charge-info-Rim/israel)
- [Slovakia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/slovakia)
- [Denmark](https://apptail.io/app/amperes-4-battery-charge-info-Rim/denmark)
- [Portugal](https://apptail.io/app/amperes-4-battery-charge-info-Rim/portugal)
- [Belgium](https://apptail.io/app/amperes-4-battery-charge-info-Rim/belgium)
- [Egypt](https://apptail.io/app/amperes-4-battery-charge-info-Rim/egypt)
- [Finland](https://apptail.io/app/amperes-4-battery-charge-info-Rim/finland)
- [Kuwait](https://apptail.io/app/amperes-4-battery-charge-info-Rim/kuwait)
- [Croatia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/croatia)
- [Colombia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/colombia)
- [Slovenia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/slovenia)
- [Bahrain](https://apptail.io/app/amperes-4-battery-charge-info-Rim/bahrain)
- [Kazakhstan](https://apptail.io/app/amperes-4-battery-charge-info-Rim/kazakhstan)
- [Sri Lanka](https://apptail.io/app/amperes-4-battery-charge-info-Rim/sri-lanka)
- [Luxembourg](https://apptail.io/app/amperes-4-battery-charge-info-Rim/luxembourg)
- [New Zealand](https://apptail.io/app/amperes-4-battery-charge-info-Rim/new-zealand)
- [Iceland](https://apptail.io/app/amperes-4-battery-charge-info-Rim/iceland)
- [Jordan](https://apptail.io/app/amperes-4-battery-charge-info-Rim/jordan)
- [Lebanon](https://apptail.io/app/amperes-4-battery-charge-info-Rim/lebanon)
- [Malta](https://apptail.io/app/amperes-4-battery-charge-info-Rim/malta)
- [Ecuador](https://apptail.io/app/amperes-4-battery-charge-info-Rim/ecuador)
- [Algeria](https://apptail.io/app/amperes-4-battery-charge-info-Rim/algeria)
- [Armenia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/armenia)
- [Belarus](https://apptail.io/app/amperes-4-battery-charge-info-Rim/belarus)
- [Bulgaria](https://apptail.io/app/amperes-4-battery-charge-info-Rim/bulgaria)
- [Azerbaijan](https://apptail.io/app/amperes-4-battery-charge-info-Rim/azerbaijan)
- [Uruguay](https://apptail.io/app/amperes-4-battery-charge-info-Rim/uruguay)
- [Argentina](https://apptail.io/app/amperes-4-battery-charge-info-Rim/argentina)
- [Nepal](https://apptail.io/app/amperes-4-battery-charge-info-Rim/nepal)
- [Uganda](https://apptail.io/app/amperes-4-battery-charge-info-Rim/uganda)
- [Oman](https://apptail.io/app/amperes-4-battery-charge-info-Rim/oman)
- [Panama](https://apptail.io/app/amperes-4-battery-charge-info-Rim/panama)
- [Peru](https://apptail.io/app/amperes-4-battery-charge-info-Rim/peru)
- [North Macedonia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/north-macedonia)
- [Pakistan](https://apptail.io/app/amperes-4-battery-charge-info-Rim/pakistan)
- [Cyprus](https://apptail.io/app/amperes-4-battery-charge-info-Rim/cyprus)
- [Madagascar](https://apptail.io/app/amperes-4-battery-charge-info-Rim/madagascar)
- [Paraguay](https://apptail.io/app/amperes-4-battery-charge-info-Rim/paraguay)
- [Qatar](https://apptail.io/app/amperes-4-battery-charge-info-Rim/qatar)
- [Latvia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/latvia)
- [Belize](https://apptail.io/app/amperes-4-battery-charge-info-Rim/belize)
- [Uzbekistan](https://apptail.io/app/amperes-4-battery-charge-info-Rim/uzbekistan)
- [Brunei](https://apptail.io/app/amperes-4-battery-charge-info-Rim/brunei)
- [Bermuda](https://apptail.io/app/amperes-4-battery-charge-info-Rim/bermuda)
- [Lithuania](https://apptail.io/app/amperes-4-battery-charge-info-Rim/lithuania)
- [Cayman Islands](https://apptail.io/app/amperes-4-battery-charge-info-Rim/cayman-islands)
- [Senegal](https://apptail.io/app/amperes-4-battery-charge-info-Rim/senegal)
- [Kenya](https://apptail.io/app/amperes-4-battery-charge-info-Rim/kenya)
- [Tunisia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/tunisia)
- [Macao SAR China](https://apptail.io/app/amperes-4-battery-charge-info-Rim/macau)
- [Ireland](https://apptail.io/app/amperes-4-battery-charge-info-Rim/ireland)
- [Mauritius](https://apptail.io/app/amperes-4-battery-charge-info-Rim/mauritius)
- [Estonia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/estonia)
- [Ghana](https://apptail.io/app/amperes-4-battery-charge-info-Rim/ghana)
- [Namibia](https://apptail.io/app/amperes-4-battery-charge-info-Rim/namibia)
- [Nigeria](https://apptail.io/app/amperes-4-battery-charge-info-Rim/nigeria)
- [Barbados](https://apptail.io/app/amperes-4-battery-charge-info-Rim/barbados)
- [Dominican Republic](https://apptail.io/app/amperes-4-battery-charge-info-Rim/dominican-republic)

---

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[AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends.

- [Search Apps](https://apptail.io)
- [Top Charts](https://apptail.io/top-iphone-apps)
- [Sign Up for Full Access](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=footer)

*Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*