Cold Correct vs SubStandard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cold Correct
Calculate temperature corrected altitude using data from aviation manuals. This utility helps pilots and aviation professionals adjust altitude readings based on cold temperature conditions.
- Temperature corrected altitude calculation
- Uses AIM data
- ICAO cold temperature correction table
- Altitude adjustment for cold weather
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Using data from the Aeronautical Information Manual (AIM) and the ICAO cold temperature correction table this application can compute a temperature corrected altitude.
SubStandard
This aviation utility app simplifies applying cold temperature corrections for altitudes. It allows users to save frequently used altitude sets for rapid retrieval, enhancing efficiency in flight planning.
- Cold temperature corrections
- Altitude set storage
- Quick access to saved altitudes
- Easy to use interface
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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.
Screenshots
Verdict
The clearest difference is review sentiment: Cold Correct at 100% against SubStandard's 0%. SubStandard's advantage is price (Free vs $0.99) and rating (5.0 vs 4.5). On ratings volume, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
SubStandard is free to download; Cold Correct costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SubStandard holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews complicate that: 100% of Cold Correct's written reviews are positive against 0% of SubStandard's, so the app with the better star average is not the one people write more warmly about.
Cold Correct ships an update every 60 months, SubStandard every 7 months. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.
| Parameter | Cold Correct | SubStandard |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.5 (2 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 | 2 |
| Update frequency | Every 60 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 12.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | SJR Ventures LLC | iService Ottner Röck |
Customer experience
Cold Correct
SubStandard
In-app purchases
Cold Correct
No in-app purchases
SubStandard
No in-app purchases
