# Save Willis. vs IQ 3D Cubes

Save Willis. and IQ 3D Cubes are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Save Willis. | IQ 3D Cubes |
| --- | --- | --- |
| 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 | Weekly |
| Monetization | Ad-supported | — |
| Size | 267 MB | 36 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) | [Dream-Up](https://appshunter.io/developer/445196122) |

## 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


### IQ 3D Cubes

[App page](https://appshunter.io/ios/app/iq-3d-cubes/id6757533642)

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

**In-app purchases:** none


## Frequently asked questions

### Is Save Willis. free?

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

### Is IQ 3D Cubes free?

IQ 3D Cubes is free to download, with no in-app purchases.

### Do Save Willis. or IQ 3D Cubes have ads?

Both Save Willis. and IQ 3D Cubes show ads.

### Which is updated more often, Save Willis. or IQ 3D Cubes?

Save Willis. ships an update weekly, and IQ 3D Cubes weekly. Most recently, Save Willis. was updated on September 17, 2026 and IQ 3D Cubes on September 12, 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.*