# AntiCollision vs SailSim

The clearest difference is review sentiment: AntiCollision at 100% against SailSim's 36%. AntiCollision also leads on rating (4.2 vs 3.4) and in-app purchases (none vs 12). SailSim's advantage is update cadence (every 10 days vs every 9 months) and ratings volume (22 vs 6). On price and device support there is nothing between them.

Both are free to download. SailSim sells 12 in-app purchases, starting at $0.99 per month. AntiCollision asks for nothing beyond the download.

AntiCollision holds the better App Store score, 4.2 against 3.4. Both are backed by a comparable volume of ratings — 6 and 22 respectively. Written reviews point the same way: 100% of AntiCollision's written reviews are positive against 36% of SailSim's.

AntiCollision ships an update every 9 months, SailSim every 10 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | AntiCollision | SailSim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/anticollision/id1505029525/reviews)** | [3.4 (22 ratings)](https://appshunter.io/ios/app/sailsim-sailing-simulator/id6464166885/reviews) |
| Number of ratings | 6 | **22** |
| Positive reviews | **100.0% of reviews** | 35.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 417 MB |
| Requires iOS | **12.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +17 | 4+ |
| Developer | [ron mooring](https://appshunter.io/developer/612283157) | [Dimitris Rouslan Zavorotnitsienko](https://appshunter.io/developer/1705611194) |

## What reviewers say

### AntiCollision

[App page](https://appshunter.io/ios/app/anticollision/id1505029525)

Practice ship collision avoidance with a realistic simulator. Manage your vessel's engine and steering to navigate complex scenarios and prevent collisions. Features include ARPA simulation with customizable targets and pre-defined challenging situations.

**Highlights:** Real-time ship behavior simulation, ARPA simulator with up to 6 targets, Customizable target range, bearing, course, and speed, 7 pre-defined collision avoidance scenarios, Control over main engine and steering (auto/manual), RADAR view with relative or true motion, CPA and TCPA calculation

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

**In-app purchases:** none


### SailSim

[App page](https://appshunter.io/ios/app/sailsim-sailing-simulator/id6464166885)

Learn and experience sailing with a realistic physics-based simulator. Explore the seas, challenge yourself with exams and adventures, and play with others in multiplayer sessions. Features detailed sailing mechanics and marine terminology.

**Highlights:** Realistic physics simulation, Multi-player sessions, Exams and challenges, Learn sailing terminology, Multiple sailing vessels, Keyboard and controller support

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SailSim Subscription | $0.99 | per month |
| No Ads Today | $0.29 | one-time |
| SailSim 200xp | $0.29 | one-time |
| Extended Test Purchase | $0.29 | one-time |
| Hints | $0.29 | one-time |
| Show Wind | $0.29 | one-time |
| Show Map | $0.29 | one-time |
| Boost Sails | $0.29 | one-time |
| Boost Engine Purchase | $0.29 | one-time |
| Flags | $0.29 | one-time |
| God Mode | $1.99 | one-time |
| SailSim Unlock | $3.99 | one-time |


## Frequently asked questions

### Is AntiCollision free?

AntiCollision is free to download, with no in-app purchases.

### Is SailSim free?

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

### Which has better reviews, AntiCollision or SailSim?

AntiCollision is rated higher. AntiCollision averages 4.2 out of 5 from 6 ratings, while SailSim averages 3.4 from 22 ratings.

### Do AntiCollision or SailSim have ads?

SailSim shows ads; AntiCollision does not.

### Which is updated more often, AntiCollision or SailSim?

AntiCollision ships an update every 9 months, and SailSim every 10 days. Most recently, AntiCollision was updated on October 4, 2026 and SailSim on October 7, 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.*