# 100% vs Slice This!

100% and Slice This! both sit at 4.5 stars, but that hides the real split: 80% of 100%'s written reviews are positive against 10% of Slice This!'s. 100% also leads on ads (none vs shown) and update cadence (every 5 days vs every 2 weeks). Slice This!'s advantage is ratings volume (5.5K vs 39). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. 100% sells 1 one-off in-app purchase and Slice This! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for 100% against 4.4 for Slice This!. That said, the two scores are not equally well evidenced: Slice This! has 5.5K ratings behind it against 39, so its average is the more settled of the two. Written reviews are what separate them: 80% of 100%'s written reviews are positive against 10% of Slice This!'s.

100% ships an update every 5 days, Slice This! every 2 weeks. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 100% | Slice This! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (39 ratings)](https://appshunter.io/ios/app/100-a-memory-challenge/id1159375420/reviews)** | [4.4 (5.5K ratings)](https://appshunter.io/ios/app/slice-this/id1592005326/reviews) |
| Number of ratings | 39 | **5.5K** |
| Positive reviews | **79.5% of reviews** | 10.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 60 MB | 191 MB |
| Requires iOS | **7.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Umbrella Games LLC](https://appshunter.io/developer/1059299541) | [Voodoo](https://appshunter.io/developer/714804730) |

## What reviewers say

### 100%

[App page](https://appshunter.io/ios/app/100-a-memory-challenge/id1159375420)

Test and improve your memory with a daily brain challenge. Memorize graphical patterns within a second and recreate them to enhance your recall abilities. Aim to reach 100% memory capacity through consistent practice.

**Highlights:** Memorize graphical patterns, Recreate patterns, Daily brain challenge, Improve memory capacity, Track memory improvement

**In-app purchases (1)**

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

**What reviewers like**

- 🚀 Amazing
- 🚀 Very fun
- 👍 Fun
- 👍 Challenging
- 👍 Simple yet intellectually helpful

**What reviewers complain about**

- 🐛 Ads frequently interfere with gameplay
- 🐛 Slow touch reactions
- 🐛 Distracting high-pitched sound
- 🐛 Ads cover the screen during gameplay
- 🐛 Lack of color contrast for colorblind users

**Reported bugs**

- Tiles not registering touches properly
- App not working when offline
- Inconsistent performance on older devices

**Requested features**

- Ability to choose difficulty level directly
- Customization options for design and colors
- Sharing features to challenge friends
- Colourblind mode


### Slice This!

[App page](https://appshunter.io/ios/app/slice-this/id1592005326)

A relaxing puzzle game where players aim to release the maximum number of balls by strategically slicing the pool. Enjoy a simple yet engaging experience designed for casual play.

**Highlights:** Slice the pool, Release maximum balls, Relaxing gameplay, Puzzle mechanics

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |

**What reviewers like**

- 🎮 Fun game concept
- 🕹️ Addictive gameplay

**What reviewers complain about**

- 📺 Excessive ads interrupting gameplay
- 🐛 Glitches and freezing issues
- 🔋 Overheating and battery drain
- 💰 Paid 'ad-free' version not working as expected

**Reported bugs**

- Game ending prematurely before all balls are counted
- Leaderboard not updating correctly
- Paid 'ad-free' version not removing all ads

**Requested features**

- Reduce frequency of ads
- Improve stability and performance
- Offline play mode
- More challenging levels


## Frequently asked questions

### Is 100% free?

100% is free to download, with in-app purchases available.

### Is Slice This! free?

Slice This! is free to download, with in-app purchases available.

### Which has better reviews, 100% or Slice This!?

100% is rated higher. 100% averages 4.5 out of 5 from 39 ratings, while Slice This! averages 4.4 from 5.5K ratings.

### Do 100% or Slice This! have ads?

Slice This! shows ads; 100% does not.

### Which is updated more often, 100% or Slice This!?

100% ships an update every 5 days, and Slice This! every 2 weeks. Most recently, 100% was updated on September 20, 2026 and Slice This! 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.*