---
title: "SubStandard - Reviews, Revenue and Downloads in Canada | Apple App Store"
description: "SubStandard is an easy to use app to apply cold temperature corrections in aviation. Moreover, it lets you store sets of altitudes for quick access later on."
---

# SubStandard — Canada
> Cold temperature corrections

![SubStandard App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/e2/cc/62/e2cc62a2-6e8c-304b-e4a8-0c0534a69de6/AppIcon-0-0-1x_U007emarketing-0-9-0-0-85-220.png/434x0w.png)

**Developer:** [iService Ottner Rock OG](https://apptail.io/developer/iservice-ottner-rock-og-htE)
**Category:** Utilities
**Rating:** 3.7/5 (3 ratings)
**Price:** Free
**Bundle ID:** com.widget-workshop.substandard
**Store:** Apple App Store
**Country:** Canada
**Version:** 1.1.3 (released 2025-06-18)
**Original Release:** 2020-06-22
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/ca/app/app/id1513656520)
**AppTail Page:** [https://apptail.io/app/substandard-hlmi/canada](https://apptail.io/app/substandard-hlmi/canada)

## SubStandard Description
SubStandard is an easy to use app to apply cold temperature corrections in aviation. Moreover, it lets you store sets of altitudes for quick access later on.

## SubStandard Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple112/v4/68/c5/10/68c51035-2371-185d-26f2-ed7ff14a5f9c/tns.bapwciix.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple122/v4/0f/1c/2d/0f1c2d6e-fae9-50da-0419-9d1043f9778c/tns.nkmudwzt.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple122/v4/83/24/5d/83245db6-a617-c676-4b05-bb62452b768f/tns.psbyjqkd.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple122/v4/15/06/bd/1506bd5d-20a2-ef1a-5e23-6d2db1f4b948/tns.nlwnowzp.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource112/v4/cf/de/57/cfde572e-4eee-adc7-6bdf-03805fc6a252/8f0601d9-21b4-4ae6-a9c4-6f278d1271fa_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2022-03-31_at_15.07.23.png/1242x2688.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/0f/dd/f9/0fddf930-1361-70ee-27ca-0f56ceefb7c9/bddaf463-7f57-4555-a77a-05b9aa93ba62_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2022-03-31_at_15.06.09.png/1242x2688.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/2c/f3/ea/2cf3eae0-a4aa-cc8c-363c-8bfa2524caae/4f0bc152-e941-44b6-8a16-63f4bde3dcd1_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2022-03-31_at_15.03.45.png/1242x2688.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/2f/d4/92/2fd49246-622e-08fa-b440-981b291e633f/c986ba68-32e0-4782-8850-350b0edd7f0a_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2022-03-31_at_15.03.51.png/1242x2688.png)

## SubStandard Rating Breakdown in Canada
- 5 stars: 2 (67%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 1 (33%)

## SubStandard Reviews in Canada

### *---- "Not accurate or safe"
This app doesn’t accurately reflect the transport Canada cap gen temp correct charts. Be weary using these numbers
-- ll_av, 2022-02-23

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




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## SubStandard Available In
- [Canada](https://apptail.io/app/substandard-hlmi/canada)
- [United States](https://apptail.io/app/substandard-hlmi/united-states)
- [Spain](https://apptail.io/app/substandard-hlmi/spain)
- [Austria](https://apptail.io/app/substandard-hlmi/austria)
- [Sweden](https://apptail.io/app/substandard-hlmi/sweden)
- [Brazil](https://apptail.io/app/substandard-hlmi/brazil)
- [Belarus](https://apptail.io/app/substandard-hlmi/belarus)
- [Switzerland](https://apptail.io/app/substandard-hlmi/switzerland)
- [Chile](https://apptail.io/app/substandard-hlmi/chile)
- [China](https://apptail.io/app/substandard-hlmi/china)
- [Colombia](https://apptail.io/app/substandard-hlmi/colombia)
- [Czechia](https://apptail.io/app/substandard-hlmi/czechia)
- [Germany](https://apptail.io/app/substandard-hlmi/germany)
- [Denmark](https://apptail.io/app/substandard-hlmi/denmark)
- [Dominican Republic](https://apptail.io/app/substandard-hlmi/dominican-republic)
- [Algeria](https://apptail.io/app/substandard-hlmi/algeria)
- [Ecuador](https://apptail.io/app/substandard-hlmi/ecuador)
- [Estonia](https://apptail.io/app/substandard-hlmi/estonia)
- [Egypt](https://apptail.io/app/substandard-hlmi/egypt)
- [Finland](https://apptail.io/app/substandard-hlmi/finland)
- [France](https://apptail.io/app/substandard-hlmi/france)
- [United Kingdom](https://apptail.io/app/substandard-hlmi/united-kingdom)
- [Greece](https://apptail.io/app/substandard-hlmi/greece)
- [Hong Kong SAR China](https://apptail.io/app/substandard-hlmi/hong-kong)
- [Hungary](https://apptail.io/app/substandard-hlmi/hungary)
- [Indonesia](https://apptail.io/app/substandard-hlmi/indonesia)
- [Ireland](https://apptail.io/app/substandard-hlmi/ireland)
- [Israel](https://apptail.io/app/substandard-hlmi/israel)
- [India](https://apptail.io/app/substandard-hlmi/india)
- [Italy](https://apptail.io/app/substandard-hlmi/italy)
- [Japan](https://apptail.io/app/substandard-hlmi/japan)
- [South Korea](https://apptail.io/app/substandard-hlmi/south-korea)
- [Kuwait](https://apptail.io/app/substandard-hlmi/kuwait)
- [Kazakhstan](https://apptail.io/app/substandard-hlmi/kazakhstan)
- [Lebanon](https://apptail.io/app/substandard-hlmi/lebanon)
- [Lithuania](https://apptail.io/app/substandard-hlmi/lithuania)
- [Mexico](https://apptail.io/app/substandard-hlmi/mexico)
- [Malaysia](https://apptail.io/app/substandard-hlmi/malaysia)
- [Nigeria](https://apptail.io/app/substandard-hlmi/nigeria)
- [Netherlands](https://apptail.io/app/substandard-hlmi/netherlands)
- [Norway](https://apptail.io/app/substandard-hlmi/norway)
- [New Zealand](https://apptail.io/app/substandard-hlmi/new-zealand)
- [Peru](https://apptail.io/app/substandard-hlmi/peru)
- [Philippines](https://apptail.io/app/substandard-hlmi/philippines)
- [Pakistan](https://apptail.io/app/substandard-hlmi/pakistan)
- [Poland](https://apptail.io/app/substandard-hlmi/poland)
- [Portugal](https://apptail.io/app/substandard-hlmi/portugal)
- [Romania](https://apptail.io/app/substandard-hlmi/romania)
- [Russia](https://apptail.io/app/substandard-hlmi/russia)
- [Saudi Arabia](https://apptail.io/app/substandard-hlmi/saudi-arabia)
- [Singapore](https://apptail.io/app/substandard-hlmi/singapore)
- [Slovakia](https://apptail.io/app/substandard-hlmi/slovakia)
- [Thailand](https://apptail.io/app/substandard-hlmi/thailand)
- [Türkiye](https://apptail.io/app/substandard-hlmi/turkey)
- [Taiwan](https://apptail.io/app/substandard-hlmi/taiwan)
- [Ukraine](https://apptail.io/app/substandard-hlmi/ukraine)
- [Vietnam](https://apptail.io/app/substandard-hlmi/vietnam)
- [United Arab Emirates](https://apptail.io/app/substandard-hlmi/united-arab-emirates)
- [South Africa](https://apptail.io/app/substandard-hlmi/south-africa)
- [Argentina](https://apptail.io/app/substandard-hlmi/argentina)
- [Australia](https://apptail.io/app/substandard-hlmi/australia)
- [Azerbaijan](https://apptail.io/app/substandard-hlmi/azerbaijan)
- [Belgium](https://apptail.io/app/substandard-hlmi/belgium)

---

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