# Sailing Grand Slam vs Referee.pl

The clearest difference is iOS requirement: Sailing Grand Slam at 11.0 against Referee.pl's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sailing Grand Slam ships an update every 3 days, Referee.pl every 4 days. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sailing Grand Slam | Referee.pl |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 69 MB | 80 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Sailti](https://appshunter.io/developer/960712124) | [Jan Zamojski](https://appshunter.io/developer/1884647263) |

## What reviewers say

### Sailing Grand Slam

[App page](https://appshunter.io/ios/app/sailing-grand-slam/id6760354162)

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

**In-app purchases:** none


### Referee.pl

[App page](https://appshunter.io/ios/app/refereepl/id6760477696)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sailing Grand Slam free?

Sailing Grand Slam is free to download, with no in-app purchases.

### Is Referee.pl free?

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

### Do Sailing Grand Slam or Referee.pl have ads?

Neither Sailing Grand Slam nor Referee.pl shows ads.

### Which is updated more often, Sailing Grand Slam or Referee.pl?

Sailing Grand Slam ships an update every 3 days, and Referee.pl every 4 days. Most recently, Sailing Grand Slam was updated on October 25, 2026 and Referee.pl on October 6, 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.*