# 100% vs Three Line Puzzle

The clearest difference is price: 100% at Free against Three Line Puzzle's $0.99. 100% also leads on iOS requirement (7.0 vs 14.0). Three Line Puzzle's advantage is in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

100% is free to download; Three Line Puzzle costs $0.99 up front. 100% sells 1 one-off in-app purchase. Three Line Puzzle asks for nothing beyond the download.

100% ships an update every 5 days, Three Line Puzzle every 3 days. The most recent releases landed on October 21, 2026 and March 26, 2026 respectively.

## The numbers

| Metric | 100% | Three Line Puzzle |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (39 ratings)](https://appshunter.io/ios/app/100-a-memory-challenge/id1159375420/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 79.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 2 MB |
| Requires iOS | **7.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Umbrella Games LLC](https://appshunter.io/developer/1059299541) | [Stephen Beitzel](https://appshunter.io/developer/1461185925) |

## 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


### Three Line Puzzle

[App page](https://appshunter.io/ios/app/three-line-puzzle/id1551711160)

**In-app purchases:** none


## Frequently asked questions

### Is 100% free?

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

### Is Three Line Puzzle free?

Three Line Puzzle costs $0.99, with no in-app purchases.

### Do 100% or Three Line Puzzle have ads?

Neither 100% nor Three Line Puzzle shows ads.

### Which is updated more often, 100% or Three Line Puzzle?

100% ships an update every 5 days, and Three Line Puzzle every 3 days. Most recently, 100% was updated on October 21, 2026 and Three Line Puzzle on March 26, 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.*