# 100% vs Material Shifter

The clearest difference is rating: 100% at 4.5 against Material Shifter's 3.9. 100% also leads on ads (none vs shown) and update cadence (every 5 days vs every 3 months). On price, ratings volume, 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 Material Shifter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

100% holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 39 and 27 respectively. Written reviews point the same way: 80% of 100%'s written reviews are positive against 50% of Material Shifter's.

100% ships an update every 5 days, Material Shifter every 3 months. The most recent releases landed on September 20, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | 100% | Material Shifter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (39 ratings)](https://appshunter.io/ios/app/100-a-memory-challenge/id1159375420/reviews)** | [3.9 (27 ratings)](https://appshunter.io/ios/app/material-shifter/id6448092441/reviews) |
| Number of ratings | **39** | 27 |
| Positive reviews | **79.5% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 60 MB | 217 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Umbrella Games LLC](https://appshunter.io/developer/1059299541) | [Yso Corp](https://appshunter.io/developer/659815325) |

## 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


### Material Shifter

[App page](https://appshunter.io/ios/app/material-shifter/id6448092441)

Transform between balloon and metal forms to navigate challenging levels. Master physics-based gameplay to reach the end of each stage. Enjoy a unique puzzle-platformer experience.

**Highlights:** Switch between balloon and metal forms, Physics-based gameplay, Level completion challenges, Form-shifting mechanics, Puzzle-platformer genre

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is 100% free?

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

### Is Material Shifter free?

Material Shifter is free to download, with in-app purchases available.

### Which has better reviews, 100% or Material Shifter?

100% is rated higher. 100% averages 4.5 out of 5 from 39 ratings, while Material Shifter averages 3.9 from 27 ratings.

### Do 100% or Material Shifter have ads?

Material Shifter shows ads; 100% does not.

### Which is updated more often, 100% or Material Shifter?

100% ships an update every 5 days, and Material Shifter every 3 months. Most recently, 100% was updated on September 20, 2026 and Material Shifter on August 15, 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.*