Cold Correct vs GRF Snowtam
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.
GRF Snowtam
Decode aviation weather reports with this tool. It handles Global Reporting Format (GRF) and older Snowtam formats, converts visibility and temperature units, and calculates altitude corrections for cold weather.
- GRF decoder
- Snowtam decoder
- MOTNE decoder
- Visibility converter
- Temperature converter
- Altitude correction calculator
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Complete and Accurate GRF decoder (New format GRF - global reporting format) to decode RCAM. Complete and Accurate Snowtam decoder (old format - used in Russia). MOTNE Decoder (Old format for Runway Condition Code) Converter for U.S. Visibility SM/m table, and temperatures Altitude correction calculator for cold Temperatures enjoy!
Screenshots
Verdict
The clearest difference is review sentiment: Cold Correct at 100% against GRF Snowtam's 0%. Cold Correct also leads on rating (4.5 vs 1.0) and price ($0.99 vs $1.99). GRF Snowtam's advantage is update cadence (every 4 months vs every 60 months). On ratings volume, 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
Cold Correct costs $0.99 and GRF Snowtam $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Cold Correct holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 100% of Cold Correct's written reviews are positive against 0% of GRF Snowtam's.
Cold Correct ships an update every 60 months, GRF Snowtam every 4 months. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.
| Parameter | Cold Correct | GRF Snowtam |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 4.5 (2 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 60 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 15.6 — better |
| Further details — not scored | ||
| Size | 10 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | SJR Ventures LLC | Pedro Isidoro |
Customer experience
Cold Correct
GRF Snowtam
In-app purchases
Cold Correct
No in-app purchases
GRF Snowtam
No in-app purchases
Questions
Is Cold Correct free?
Is GRF Snowtam free?
Which has better reviews, Cold Correct or GRF Snowtam?
Do Cold Correct or GRF Snowtam have ads?
Which is updated more often, Cold Correct or GRF Snowtam?
Other comparisons
