# OPYC vs SailSim

The clearest difference is rating: SailSim at 3.4 against OPYC's 2.6. SailSim also leads on update cadence (every 8 days vs every 3 months) and review sentiment (38% vs 20%). OPYC's advantage is in-app purchases (none vs 12) and ads (none vs shown). On price, ratings volume 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. OPYC asks for nothing beyond the download.

SailSim holds the better App Store score, 3.4 against 2.6. Both are backed by a comparable volume of ratings — 8 and 22 respectively. Written reviews point the same way: 20% of OPYC's written reviews are positive against 38% of SailSim's.

OPYC ships an update every 3 months, SailSim every 8 days. The most recent releases landed on June 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | OPYC | SailSim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (8 ratings)](https://appshunter.io/ios/app/opyc/id1217040844/reviews) | **[3.4 (22 ratings)](https://appshunter.io/ios/app/sailsim-sailing-simulator/id6464166885/reviews)** |
| Number of ratings | 8 | **22** |
| Positive reviews | 20.0% of reviews | **38.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 70 MB | 390 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omar reis](https://appshunter.io/developer/687921629) | [Dimitris Rouslan Zavorotnitsienko](https://appshunter.io/developer/1705611194) |

## What reviewers say

### OPYC

[App page](https://appshunter.io/ios/app/opyc/id1217040844)

Experience realistic sailing with this physics-based simulation. It uses real-time wind forecasts and offers immersive 3D views with dynamic weather and sea conditions. Compete in races or explore the world by earning in-game coins.

**Highlights:** Physics-based sailing simulation, Real-time wind forecasts, Immersive 3D view, Weather routing optimization, Create races and regattas, Earn in-game coins

**Features:** macOS Compatibility

**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 OPYC free?

OPYC 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, OPYC or SailSim?

SailSim is rated higher. OPYC averages 2.6 out of 5 from 8 ratings, while SailSim averages 3.4 from 22 ratings.

### Do OPYC or SailSim have ads?

SailSim shows ads; OPYC does not.

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

OPYC ships an update every 3 months, and SailSim every 8 days. Most recently, OPYC was updated on June 1, 2026 and SailSim on September 19, 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.*