# Save Willis. vs Merge Keep

The clearest difference is update cadence: Merge Keep at every 2 days against Save Willis.'s weekly. On price, ads, in-app purchases and device support there is nothing between them.

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

Save Willis. ships an update weekly, Merge Keep every 2 days. Both last shipped on October 4, 2026.

## The numbers

| Metric | Save Willis. | Merge Keep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/save-willis/id6737624808/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 267 MB | 76 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Robb Entertainment Interactive (REI) - robbent.com](https://appshunter.io/developer/849377440) | [Yigit Cirak](https://appshunter.io/developer/1756468072) |

## What reviewers say

### Save Willis.

[App page](https://appshunter.io/ios/app/save-willis/id6737624808)

Guide a diver to safety by strategically firing a cannon to push buttons and release him from water tanks. Solve physics-based puzzles before his oxygen runs out to progress through increasingly challenging levels.

**Highlights:** Physics-based puzzle gameplay, Strategic cannon firing, Timed challenges, Progressive levels, Diver rescue objective

**Features:** macOS Compatibility

**In-app purchases:** none


### Merge Keep

[App page](https://appshunter.io/ios/app/merge-keep/id6741009246)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Save Willis. free?

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

### Is Merge Keep free?

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

### Do Save Willis. or Merge Keep have ads?

Both Save Willis. and Merge Keep show ads.

### Which is updated more often, Save Willis. or Merge Keep?

Save Willis. ships an update weekly, and Merge Keep every 2 days. Most recently, Save Willis. was updated on October 4, 2026 and Merge Keep on October 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.*