# Save Willis. vs Double Train

Save Willis. and Double Train are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Save Willis. | Double Train |
| --- | --- | --- |
| 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 | — |
| Monetization | Ad-supported | — |
| Size | 267 MB | 129 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) | [Bugbomb](https://appshunter.io/developer/1440148721) |

## 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


### Double Train

[App page](https://appshunter.io/ios/app/double-train/id6742326706)

**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 Double Train free?

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

### Do Save Willis. or Double Train have ads?

Both Save Willis. and Double Train show ads.

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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.*