SubStandard
iService Ottner Röck Utilities iPhoneiPadiPod touch
SubStandard is a free Utilities app for iPhone and iPad by iService Ottner Röck. Rated 5.0/5 from 2 ratings. Requires iOS 12.0. Updated June 18, 2025.
- Rating
- 5.0
- 2 ratings
- Price
- Free
- on the App Store
- Size
- 33 MB
- Age 4+
- Updated
- Jun 18
- 2025 · v1.1.3
Screenshots
About SubStandard
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.
What’s new
Version 1.1.3 · Updated June 18, 2025
- added functionality to export and import the database
App privacy
The developer, iService Ottner Röck, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to SubStandard
Looking for apps like SubStandard? Here are 6 similar apps on the App Store. The highest rated is QuickColdAlt (5.0/5), and 5 of the 6 are free to download.
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Cold WXR Altitude Correction
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| SubStandard | 5.0 / 5 (2 ratings) | Free | June 18, 2025 | |
| QuickColdAlt | 5.0 / 5 (1) | Free | Jul 25, 2026 | Compare |
| Flight Bag - Tools for pilots | 5.0 / 5 (2) | Free | Aug 12, 2026 | Compare |
| Flight-Time | 4.4 / 5 (11) | Free | Dec 2, 2025 | Compare |
| Flight Bag for Crews | 5.0 / 5 (26) | Free | Sep 26, 2026 | Compare |
| PC-12 Calculator | 3.0 / 5 (2) | Free | Aug 8, 2026 | Compare |
| Cold WXR Altitude Correction | – | 4.99 USD | Oct 22, 2026 | Compare |
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