# Room Escape [SECRET CODE 4] vs Mathgrid

The clearest difference is in-app purchases: Room Escape [SECRET CODE 4] at none against Mathgrid's 3. Mathgrid's advantage is ads (none vs shown) and update cadence (every 3 months vs every 45 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Mathgrid sells 3 one-off in-app purchases. Room Escape [SECRET CODE 4] asks for nothing beyond the download.

Room Escape [SECRET CODE 4] ships an update every 45 months, Mathgrid every 3 months. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Room Escape [SECRET CODE 4] | Mathgrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (73 ratings)](https://appshunter.io/ios/app/room-escape-secret-code-4/id1218666521/reviews)** | — |
| Number of ratings | **73** | — |
| Positive reviews | 90.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 45 months | **Every 3 months** |
| Monetization | Ad-supported | — |
| Size | 78 MB | 108 MB |
| Requires iOS | **14.5** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gam.eBB](https://appshunter.io/developer/440964487) | [XSGames](https://appshunter.io/developer/1725979641) |

## What reviewers say

### Room Escape [SECRET CODE 4]

[App page](https://appshunter.io/ios/app/room-escape-secret-code-4/id1218666521)

Embark on a thrilling escape room adventure where you're trapped in a mysterious environment. Discover hidden items, decipher challenging riddles, and utilize your logic to find a way out.

**Highlights:** Solve riddles, Find hidden items, Zoom in on items, Use hints, Tap-only controls

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

**In-app purchases:** none


### Mathgrid

[App page](https://appshunter.io/ios/app/mathgrid-brain-training-game/id6762621372)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate | $0.99 | one-time |
| Donate + Coffee | $3.99 | one-time |
| Donate + Love | $6.99 | one-time |


## Frequently asked questions

### Is Room Escape [SECRET CODE 4] free?

Room Escape [SECRET CODE 4] is free to download, with no in-app purchases.

### Is Mathgrid free?

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

### Do Room Escape [SECRET CODE 4] or Mathgrid have ads?

Room Escape [SECRET CODE 4] shows ads; Mathgrid does not.

### Which is updated more often, Room Escape [SECRET CODE 4] or Mathgrid?

Room Escape [SECRET CODE 4] ships an update every 45 months, and Mathgrid every 3 months. Most recently, Room Escape [SECRET CODE 4] was updated on October 21, 2026 and Mathgrid on October 13, 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.*