# Save Willis. vs Numler Puzzle

The clearest difference is in-app purchases: Save Willis. at none against Numler Puzzle's 1. Save Willis. also leads on update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Numler Puzzle sells 1 one-off in-app purchase. Save Willis. asks for nothing beyond the download.

Save Willis. ships an update weekly, Numler Puzzle monthly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Save Willis. | Numler Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/save-willis/id6737624808/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Monthly |
| Monetization | Ad-supported | — |
| Size | 267 MB | 71 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Robb Entertainment Interactive (REI) - robbent.com](https://appshunter.io/developer/849377440) | [Dinh Ngoc Vung](https://appshunter.io/developer/1782522705) |

## 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


### Numler Puzzle

[App page](https://appshunter.io/ios/app/numler-puzzle/id6739128026)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |


## Frequently asked questions

### Is Save Willis. free?

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

### Is Numler Puzzle free?

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

### Do Save Willis. or Numler Puzzle have ads?

Both Save Willis. and Numler Puzzle show ads.

### Which is updated more often, Save Willis. or Numler Puzzle?

Save Willis. ships an update weekly, and Numler Puzzle monthly. Most recently, Save Willis. was updated on October 30, 2026 and Numler Puzzle on October 28, 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.*