# AvMath vs AMC Collision Regulations

The clearest difference is price: AvMath at Free against AMC Collision Regulations's $1.99. AvMath also leads on update cadence (daily vs every 4 months). AMC Collision Regulations's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

AvMath is free to download; AMC Collision Regulations costs $1.99 up front. AvMath sells 1 one-off in-app purchase. AMC Collision Regulations asks for nothing beyond the download.

AvMath ships an update daily, AMC Collision Regulations every 4 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AvMath | AMC Collision Regulations |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/avmath/id6464602048/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 months |
| Monetization | — | Paid |
| Size | 2 MB | 32 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Elemental Services Pty Ltd](https://appshunter.io/developer/1706312049) | [AMC Search Ltd](https://appshunter.io/developer/1640174244) |

## What reviewers say

### AvMath

[App page](https://appshunter.io/ios/app/avmath/id6464602048)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $4.99 | one-time |


### AMC Collision Regulations

[App page](https://appshunter.io/ios/app/amc-collision-regulations/id6755447161)

Master maritime navigation rules with this comprehensive learning and reference tool. It utilizes proven educational methods to help users understand, apply, and test their knowledge of collision regulations, featuring interactive elements and offline access.

**Highlights:** Overview of maritime Collision Regulations (COLREGS), Learning process from Australian Maritime College, Animations, diagrams, and interactive elements, Searchable rule text, Quizzes for each rule with score sharing, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AvMath free?

AvMath is free to download, with in-app purchases available.

### Is AMC Collision Regulations free?

AMC Collision Regulations costs $1.99, with no in-app purchases.

### Do AvMath or AMC Collision Regulations have ads?

Neither AvMath nor AMC Collision Regulations shows ads.

### Which is updated more often, AvMath or AMC Collision Regulations?

AvMath ships an update daily, and AMC Collision Regulations every 4 months. Most recently, AvMath was updated on October 24, 2026 and AMC Collision Regulations on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*