# Four Rooms Mastermind vs ShortenTheGap

The clearest difference is update cadence: Four Rooms Mastermind at fortnightly against ShortenTheGap's every 2 months. Four Rooms Mastermind also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price, 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.

Four Rooms Mastermind ships an update fortnightly, ShortenTheGap every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Four Rooms Mastermind | ShortenTheGap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 49 MB | 29 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FourRooms Mastermind](https://appshunter.io/developer/1707865909) | [Gunther Van Dender](https://appshunter.io/developer/1808938066) |

## What reviewers say

### Four Rooms Mastermind

[App page](https://appshunter.io/ios/app/four-rooms-mastermind/id6466821040)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### ShortenTheGap

[App page](https://appshunter.io/ios/app/shortenthegap/id6698859522)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Four Rooms Mastermind free?

Four Rooms Mastermind is free to download, with no in-app purchases.

### Is ShortenTheGap free?

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

### Do Four Rooms Mastermind or ShortenTheGap have ads?

Neither Four Rooms Mastermind nor ShortenTheGap shows ads.

### Which is updated more often, Four Rooms Mastermind or ShortenTheGap?

Four Rooms Mastermind ships an update fortnightly, and ShortenTheGap every 2 months. Most recently, Four Rooms Mastermind was updated on November 3, 2026 and ShortenTheGap on November 4, 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.*