ColdAltitude 2 vs Flight Crew Rest
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ColdAltitude 2
Calculate temperature-corrected approach altitudes for aviation. Input field elevation and temperature to get corrected altitudes, with options to store, edit, and retrieve approaches for future use. Also provides METAR and TAF data for approach airports.
- Temperature corrected altitude calculation
- Store and manage approaches
- Search approaches by airport
- METAR & TAF data retrieval
- AIM formula calculation
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ColdAltitude enables you to easily calculate multiple temperature corrected approach altitudes. Enter the field elevation and temperature, then any desired altitudes to be corrected. The app does all the calculations and rounding for you. Store, edit and move around your approaches for future use! Enter your anticipated approaches pre-flight for instant calculation airborne. Search for your stored approaches by airport. Obtain METAR & TAF for the approach airport. Set the temperature from the METAR by pressing a button. Uses the formula from the AIM - same calculations used by the Royal Canadian Air Force and in the USA. Use as a reference/guide only. Fly Safe!
Flight Crew Rest
This utility helps pilots calculate required crew rest periods for long-haul flights. It offers features like live activity monitoring, quick wake-up alarms, and easy schedule sharing via QR codes. The app allows for flexible rest calculations based on different inputs and time zones.
- Live activity monitoring
- Set wake-up alarms
- QR code schedule sharing
- Local time conversion
- Flexible rest calculation
- Customizable options
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Simple and easy to use pilot crew rest calculator for use on long haul flights. Flight Crew Rest is the best crew rest calculator out there, offering: - Live activity so you can monitor progress on your devices home screen - Set wake-up alarms quickly from inside the app - Simple sharing of rest schedules with other crew members using a QR code - Convert rest schedules to your local time instantly - Calculate crew rest with either rest start / end times, OR departure time / flight time - Simple and customizable options for quick rest calculations - No annoying in-app purchases or subscriptions. App Store screenshots generated with Screenshots.pro
Screenshots
Verdict
The clearest difference is rating: Flight Crew Rest at 2.0 against ColdAltitude 2's 1.3. Flight Crew Rest also leads on price ($0.99 vs $4.99). ColdAltitude 2's advantage is review sentiment (25% vs 0%) and ratings volume (3 vs 1). On update cadence, ads, in-app purchases and monetization model 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
ColdAltitude 2 costs $4.99 and Flight Crew Rest $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Flight Crew Rest holds the better App Store score, 2.0 against 1.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews complicate that: 25% of ColdAltitude 2's written reviews are positive against 0% of Flight Crew Rest's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.
| Parameter | ColdAltitude 2 | Flight Crew Rest |
|---|---|---|
| Price | $4.99 | $0.99 — better |
| Rating | 1.3 (3 ratings) | 2.0 (1 ratings) — better |
| Positive reviews | 25.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 17 MB | 2 MB |
| Age rating | +4 | 4+ |
| Developer | Adam Kusch | Brennan Steemers |
Customer experience
ColdAltitude 2
Flight Crew Rest
In-app purchases
ColdAltitude 2
No in-app purchases
Flight Crew Rest
No in-app purchases
Questions
Is ColdAltitude 2 free?
Is Flight Crew Rest free?
Which has better reviews, ColdAltitude 2 or Flight Crew Rest?
Do ColdAltitude 2 or Flight Crew Rest have ads?
Which is updated more often, ColdAltitude 2 or Flight Crew Rest?
Other comparisons
