---
title: "Ruler - CM, MM, Inches - Reviews, Revenue and Downloads in Singapore | Apple App Store"
description: "Ditch bulky tools! Measure lengths, widths, and diagonals precisely anywhere with just your phone.  *** Features ***  ► Smart Multi-Mode Measure     *  Switch units freely: cm/mm, inch/fractions, with"
---

# Ruler - CM, MM, Inches — Singapore
> CM, MM, In. Measure Anything.

![Ruler App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/0f/e7/87/0fe787c9-6bf7-0724-0e8e-f173dc3490f2/AnyIcon-0-0-1x_U007epad-0-1-0-sRGB-85-220.png/434x0w.png)

**Developer:** [Xi'an 7kit Technology Co](https://apptail.io/developer/xian-7kit-technology-co-HOl) (China)
**Category:** Utilities
**Rating:** 3.0/5 (4 ratings)
**Price:** Free
**Bundle ID:** com.softlibs.ios.ChiZi
**Store:** Apple App Store
**Country:** Singapore
**Version:** 26 (released 2025-10-03)
**Original Release:** 2015-08-12
**Languages:** Chinese, English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/sg/app/app/id1022857549)
**AppTail Page:** [https://apptail.io/app/app-Tmvb/singapore](https://apptail.io/app/app-Tmvb/singapore)

## Ruler Description
Ditch bulky tools! Measure lengths, widths, and diagonals precisely anywhere with just your phone.

*** Features ***

► Smart Multi-Mode Measure
    *  Switch units freely: cm/mm, inch/fractions, with dual-unit display for instant comparison.
    *  Flexible starting points: Measure from screen edges or device edges for diverse scenarios.
    *  Full-direction coverage: Horizontal, vertical, or diagonal measurements. Paired with the 2.54m ultra-long scroll ruler, no corner is beyond reach!

► Zero-error Guarantee
    *  Auto-calibration tech: Dynamically adjusts based on device model, ensuring ≤1% error rate.
    *  Screen lock: Freeze measurements instantly to prevent accidental touches or slips.

► Auto-Renew VIP
    *  Member Perks: Ad-free
    *  Subscription Period: 1 month (auto-renewable)
    *  Subscription Price: Subject to the In-App Purchase (iAP) details, e.g. Auto-Renewable Subscription at $4.99/month

► Auto-Renewal Terms
    *  Payment: Will be charged to your Apple ID account at confirmation of purchase.
    *  Renewal: Your subscription will automatically renew, and your Apple ID account will be charged 24 hours before the end of the current period.
    *  Cancellation: To cancel your subscription, turn off auto-renewal at least 24 hours before the current period ends in your Apple ID account settings. You will retain access through the end of your paid billing period.
    *  Free Trial: Your free trial benefits will not be revoked if you choose to renew or cancel during the trial period. You may continue using the service until the trial ends.

► Terms of Use
    *  By downloading and using this app, you agree to Apple's End User License Agreement (EULA). Full terms at: 
    *  Privacy Policy: 

► Contact Us
    *  Email: ceo@7kit.cn

## Ruler Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/1f/2f/72/1f2f7290-5bfe-b630-0a98-35bf65444634/1.png/2732x2048.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/aa/da/87/aada8713-d25f-78ba-8237-ce8cf46e559c/2.png/2732x2048.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/57/0c/01/570c0118-9baa-8b0c-863a-e900b2baa719/3.png/2732x2048.png)

## Ruler Rating Breakdown in Singapore
- 5 stars: 2 (50%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 2 (50%)

## Ruler Reviews in Singapore

### ***** "Useful small app for physical measurement."
Useful small app for physical measurement.
-- yuppie2010, 2024-01-30

### *---- "Useless"
Stupid programmer. No options for 10.5 inch ipad
-- IphoneStrikesBacka, 2017-08-30

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

## Ruler In-App Purchases
| Item | Price |
|------|-------|
| VIP | 6.98 S$ |

## Ruler Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Free | Taiwan | Utilities | #484 |

## Ruler Discovered Keywords
- 尺子

## Apps Similar to Ruler
- [Ruler®](https://apptail.io/app/ruler-Kqd/singapore)
- [尺子 · 屏幕测量精准工具](https://apptail.io/app/app-yDk/singapore)
- [Ruler / Measuring Tape](https://apptail.io/app/ruler-measuring-tape-bBm/singapore)
- [Tape Measure™](https://apptail.io/app/tape-measure-eKm/singapore)
- [尺子 AR 测量工具-专业的 测距仪 和 测距离](https://apptail.io/app/ar-TRm/singapore)
- [Tape Measure & Ruler Арр](https://apptail.io/app/tape-measure-ruler-arr-jdr/singapore)
- [Ruler, Measuring Tape - AR App](https://apptail.io/app/ruler-measuring-tape-ar-app-qKr/singapore)
- [The Tape Measure & 3D Scanner](https://apptail.io/app/the-tape-measure-3d-scanner-mSy/singapore)
- [测量工具-尺子、距离测量专家](https://apptail.io/app/app-RJob/singapore)
- [Ruler •](https://apptail.io/app/ruler-FMic/singapore)

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

---

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