# 100% vs Space Hole 3D

The clearest difference is in-app purchases: Space Hole 3D at none against 100%'s 1. Space Hole 3D also leads on review sentiment (100% vs 80%) and rating (4.7 vs 4.5). 100%'s advantage is iOS requirement (7.0 vs 9.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. 100% sells 1 one-off in-app purchase. Space Hole 3D asks for nothing beyond the download.

Space Hole 3D holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 39 and 26 respectively. Written reviews point the same way: 80% of 100%'s written reviews are positive against 100% of Space Hole 3D's.

100% ships an update every 5 days, Space Hole 3D weekly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 100% | Space Hole 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (39 ratings)](https://appshunter.io/ios/app/100-a-memory-challenge/id1159375420/reviews) | **[4.7 (26 ratings)](https://appshunter.io/ios/app/space-hole-3d/id1464482958/reviews)** |
| Number of ratings | **39** | 26 |
| Positive reviews | 79.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 60 MB | 300 MB |
| Requires iOS | **7.0** | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Umbrella Games LLC](https://appshunter.io/developer/1059299541) | [庆龙 刘](https://appshunter.io/developer/1462713107) |

## 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


### Space Hole 3D

[App page](https://appshunter.io/ios/app/space-hole-3d/id1464482958)

Match colors to feed the hole and clear blocks. Switch the hole's color to consume matching blocks and avoid wrong ones. This addictive game offers satisfying gameplay with challenging levels.

**Highlights:** Color matching gameplay, Hole color switching, Satisfying block consumption, Challenging levels, Addictive mechanics

**In-app purchases:** none


## Frequently asked questions

### Is 100% free?

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

### Is Space Hole 3D free?

Space Hole 3D is free to download, with no in-app purchases.

### Which has better reviews, 100% or Space Hole 3D?

Space Hole 3D is rated higher. 100% averages 4.5 out of 5 from 39 ratings, while Space Hole 3D averages 4.7 from 26 ratings.

### Do 100% or Space Hole 3D have ads?

Neither 100% nor Space Hole 3D shows ads.

### Which is updated more often, 100% or Space Hole 3D?

100% ships an update every 5 days, and Space Hole 3D weekly. Most recently, 100% was updated on October 21, 2026 and Space Hole 3D on October 24, 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.*