crewmath. vs AvMath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
crewmath.
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crewmath. aims to help you improve your mental dead reckoning skills by simplifying the process for you to generate questions and check answers, without the need to write out different questions which can take away hours from your practice. crewmath. helps you to practice: -Reciprocals -Product -Fractions -Ratios -Non-Integer Multiplication -Non-Integer Division Give it a try today and see what difference it makes to your study schedule!
AvMath
Enhance your aviation math skills with this mental math trainer. Learn and apply essential rules of thumb for calculations involving speed, distance, altitude, and time in realistic flight scenarios. Track your progress and improve with detailed explanations and increasing difficulty.
- Mental math training for pilots
- Learn aviation rules of thumb
- Practice in realistic scenarios
- Detailed answer explanations
- Progress tracking and achievements
- Increasing difficulty levels
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AvMath is a mental math education and training tool for pilots to improve their mental math skills. Whether you are a student, private or commercial pilot you will learn rules of thumb and methods for quick calculations of speeds, distance, altitudes and time, then challenge yourself to train and improve applying these in realistic aviation scenarios. Every answer is explained in detail while you track your improvement with records and achievements and challenge yourself with increasing levels of difficulty. Learn common Rules of Thumb - Crosswind Component - One in Sixty - Density Altitude (inHg and hpa) - True Airspeed - Vertical Navigation - Drift Angle Apply in Real Aviation Scenarios - Crosswind - One in Sixty navigation - Enroute Wind - Fuel Planning - Vertical Navigation - True Airspeed - Density Altitude - Descent Planning - Quick Calculations - Trip Planning
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Verdict
The clearest difference is in-app purchases: crewmath. at none against AvMath's 1. AvMath's advantage is ads (none vs shown) and update cadence (daily vs every 4 days). On price, device support and iOS requirement 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
Both are free to download. AvMath sells 1 one-off in-app purchase. crewmath. asks for nothing beyond the download.
crewmath. ships an update every 4 days, AvMath daily. Both last shipped on November 3, 2026.
| Parameter | crewmath. | AvMath |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 days | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Breydon Verryt-Reid | Elemental Services Pty Ltd |
In-app purchases
crewmath.
No in-app purchases
AvMath
- Premium Version$4.99
