Comparison

OPYC vs eSail4VR

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

OPYC

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
Read full description

OPYC* is a worldwide sailing simulation using physics. The game runs locally on your device, using laws of physics. It is different from other web sailing games that run on a server, whether you are actively sailing or not. This allows the game to be more like real sailing, with waves, Chinese jibes, flapping sails and unexpected situations. Go out of control in strong winds. Its quantum sailing. The simulation uses real wind forecasts from NOAA GFS. Interpolated real time winds ( 144h forecast, 3 hour interval ). VRTool chart tool embedded. Download wind grid and perform weather routing optimizations. Draw routes and tracks. Add marks. Manage chart objects. To participate, you have to register a boat name, skipper name, password and choose a port to start from. May be used in multiple devices. Last device connecting has the key. Use boat name and password to login. Earn OPYC coins by finding and crossing gates around the world (currently gates only in North, South, Central Americas and Europe). You can also select a venue and create a race (triangle or linear course). Create a regatta and invite your friends to participate. The new 3D view brings immersive sailing challenges, with sea waves, dynamic sail shapes, oscillating wind arrow and other characters. * OPYC, short for Old Pelican Yacht Club, since 2018 serving the virtual sailing community with navigation software and weather forecasts.

About

eSail4VR

This app provides advanced routing calculations for the Virtual Regatta sailing game. It helps users optimize their race strategies by considering weather patterns and game-specific rules. Users can automatically sync their regattas and plan routes, with premium features offering advanced options and direct integration.

Highlights
  • Advanced routing algorithm
  • Automatic Virtual Regatta account connection
  • Real-time position tracking
  • Automatic weather file downloads
  • Route comparison
  • Cloud sync across devices
Features
Read full description

Do you like Virtual Regatta? Whether you are a beginner or experienced player, casual or addictive gamer, eSail for Virtual Regatta, known as eSail4VR, offers you all the power of dedicated routing for the exclusive Virtual Regatta service. With eSail4VR, you can compete with the best players! The routing algorithm considers all the specifics of the game to minimize penalties subject to sail changes, tacking and gybing. It also takes into account exclusion zones like the ZEA of the Vendée Globe. When you open the app, you are automatically connected to your Virtual Regatta account. If you have several regattas in progress, select in the home page the one you want to work on. Without any manipulation or setting, you can instantly find your position in real time on the map. If a new weather file is available for the game, it is automatically downloaded at the app start. Place a target on the screen and calculate a routing towards that target. Make several routings and compare them. Once the routing is done, send the programmations orders to VR, they will be immediately integrated in the game, and your boat will follow the path of this new route (Premium subscription only). That's it! Without a subscription, you have to manually transfer the bearing of each isochron segment in the Virtual Regatta programming function. Only one watchword: instant. One credo: efficiency. Wherever you are, on the move, on public transport, in a waiting room, at the time of a new weather file, take out your cell phone or tablet and update your routing. Icing on the cake, your Premium subscription is shared across your devices, your settings and routings are saved in the eSail4VR cloud and synchronized between all your devices: calculate a routing on your cell phone, it will immediately appear on your iPad, tablet, Windows PC or MacBook. Free app specs: - weather forecast - 5 day routing - followed boats and teammates The 3-month, with a 7 day trial period, Premium subscription includes: - up to 16 day routing - work your routing with pivot points - route your concurrents and teammates - export of the programming or waypoints to VR (up to 15 route points according to options taken in VR) - cloud sync Terms of use: https://esail4vr.fr/en/terms-and-use/ Privacy policy: https://esail4vr.fr/en/legal/

Screenshots

OPYC4 screens
eSail4VR4 screens

Verdict

The call

OPYC and eSail4VR both sit at 2.6 stars, but that hides the real split: 58% of eSail4VR's written reviews are positive against 20% of OPYC's. eSail4VR also leads on update cadence (every 5 days vs every 3 months). OPYC's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. eSail4VR sells 1 in-app purchase, starting at $12.49 per 3 months. OPYC asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 2.6 for OPYC against 2.7 for eSail4VR. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews are what separate them: 20% of OPYC's written reviews are positive against 58% of eSail4VR's.

UpkeepUpdate frequency

OPYC ships an update every 3 months, eSail4VR every 5 days. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.

Scorecard5 real differences · 5 level
OPYC versus eSail4VR: the parameters behind the verdict, then further details
ParameterOPYCeSail4VR
PriceFreeFree
Rating2.6 (8 ratings)2.7 (3 ratings) — better
Positive reviews20.0% of reviews57.7% of reviews — better
Number of ratings8 — better3
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS11.0 — better13.0
Further details — not scored
Size70 MB57 MB
Age rating4+4+
DeveloperOmar reisSOFT4SAIL

Customer experience

OPYC

All ratings8 ratings
Positive25.0%
Neutral37.5%
Negative37.5%
Written reviews5 reviews
Positive20.0%
Neutral20.0%
Negative60.0%

eSail4VR

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews26 reviews
Positive57.7%
Neutral23.1%
Negative19.2%

In-app purchases

None

OPYC

No in-app purchases

1 purchases

eSail4VR

Subscriptions1
  • Premium subscription7 Days trial$12.493 Months

Questions

Is OPYC free?
OPYC is free to download, with no in-app purchases.
Is eSail4VR free?
eSail4VR is free to download, with in-app purchases available.
Which has better reviews, OPYC or eSail4VR?
eSail4VR is rated higher. OPYC averages 2.6 out of 5 from 8 ratings, while eSail4VR averages 2.7 from 3 ratings.
Do OPYC or eSail4VR have ads?
Neither OPYC nor eSail4VR shows ads.
Which is updated more often, OPYC or eSail4VR?
OPYC ships an update every 3 months, and eSail4VR every 5 days. Most recently, OPYC was updated on June 1, 2026 and eSail4VR on September 20, 2026.

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