Diving Rules vs CalC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diving Rules
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A mobile app to learn and train on the World Aquatics Diving Rules. If you are a Diving judge, a future diving judge or just a diver, this app is made for you. It holds the reference rule book and allows you to train on the penalties associated to the Referee or the Execution or Synchro Judges.
CalC
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CalC is a great tool for students, especially those in high school, college, and university, who need to solve complex math and science problems. It features a natural display that allows you to enter equations as you would write them on paper, including fractions, square roots, and exponents. CalC also supports running Python code directly on the phone, making it a versatile tool for learning to code, testing algorithms, and solving advanced problems.
Screenshots
Verdict
The clearest difference is in-app purchases: Diving Rules at none against CalC's 2. Diving Rules also leads on iOS requirement (13.0 vs 15.1). CalC's advantage is update cadence (every 4 days vs every 6 months). On price, ads 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
Both are free to download. CalC sells 2 in-app purchases, starting at $1.99 per month. Diving Rules asks for nothing beyond the download.
Diving Rules ships an update every 6 months, CalC every 4 days. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.
| Parameter | Diving Rules | CalC |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 35 MB | 297 MB |
| Age rating | 4+ | 4+ |
| Developer | Benoit Suzanne | Le Van Thanh |
In-app purchases
Diving Rules
No in-app purchases
CalC
- Premium monthly$1.991 Month
- Premium yearly$19.991 Year
