# Slider Block vs Save Willis.

The clearest difference is rating: Save Willis. at 5.0 against Slider Block's 4.5. Save Willis. also leads on in-app purchases (none vs 4) and update cadence (weekly vs every 13 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Slider Block sells 4 one-off in-app purchases. Save Willis. asks for nothing beyond the download.

Save Willis. holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 75% of Slider Block's written reviews are positive against 100% of Save Willis.'s.

Slider Block ships an update every 13 months, Save Willis. weekly. The most recent releases landed on October 20, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Slider Block | Save Willis. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/slider-block/id543497995/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/save-willis/id6737624808/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 21 MB | 267 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Julio Velasquez](https://appshunter.io/developer/543497998) | [Robb Entertainment Interactive (REI) - robbent.com](https://appshunter.io/developer/849377440) |

## What reviewers say

### Slider Block

[App page](https://appshunter.io/ios/app/slider-block/id543497995)

Slide blocks to navigate a grid and reach the designated goal. This logic puzzle game features unique mechanics like teleports and block activation to overcome increasingly complex challenges. Enjoy a relaxing, no-time-limit experience with 144 handcrafted levels.

**Highlights:** Slide blocks to reach goal, Logic and planning puzzles, Special item mechanics, 144 handcrafted levels, No time limits, Play at your own pace

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 COINS | $1.99 | one-time |
| 10 COINS | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| 25 COINS | $4.99 | one-time |


### 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


## Frequently asked questions

### Is Slider Block free?

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

### Is Save Willis. free?

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

### Which has better reviews, Slider Block or Save Willis.?

Save Willis. is rated higher. Slider Block averages 4.5 out of 5 from 4 ratings, while Save Willis. averages 5.0 from 4 ratings.

### Do Slider Block or Save Willis. have ads?

Both Slider Block and Save Willis. show ads.

### Which is updated more often, Slider Block or Save Willis.?

Slider Block ships an update every 13 months, and Save Willis. weekly. Most recently, Slider Block was updated on October 20, 2026 and Save Willis. on October 30, 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.*