# 100% vs Black Hole Blast

The clearest difference is review sentiment: 100% at 80% against Black Hole Blast's 0%. 100% also leads on rating (4.5 vs 2.3) and ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. 100% sells 1 one-off in-app purchase and Black Hole Blast sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

100% holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: 100% has 39 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 80% of 100%'s written reviews are positive against 0% of Black Hole Blast's.

100% ships an update every 5 days, Black Hole Blast every 2 weeks. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 100% | Black Hole Blast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (39 ratings)](https://appshunter.io/ios/app/100-a-memory-challenge/id1159375420/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/black-hole-blast/id6445877583/reviews) |
| Number of ratings | **39** | 3 |
| Positive reviews | **79.7% of reviews** | 0.0% 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 | 277 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Umbrella Games LLC](https://appshunter.io/developer/1059299541) | [APP CENTRAL LTD](https://appshunter.io/developer/1509075661) |

## 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


### Black Hole Blast

[App page](https://appshunter.io/ios/app/black-hole-blast/id6445877583)

Control a growing black hole to consume weapons throughout history. Grow your hole by swallowing more items to face a powerful boss at the end. Can you collect all the arms and defeat the enemy before time runs out?

**Highlights:** Control a dynamic black hole, Swallow historical weapons, Grow your black hole size, Progress through a timeline, Battle a giant boss, Timed challenges

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Bundle Features Unlocked! | $19.99 | per month |
| All AppCentral Games Unlocked! | $39.99 | per month |


## Frequently asked questions

### Is 100% free?

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

### Is Black Hole Blast free?

Black Hole Blast is free to download, with in-app purchases available.

### Which has better reviews, 100% or Black Hole Blast?

100% is rated higher. 100% averages 4.5 out of 5 from 39 ratings, while Black Hole Blast averages 2.3 from 3 ratings.

### Do 100% or Black Hole Blast have ads?

Black Hole Blast shows ads; 100% does not.

### Which is updated more often, 100% or Black Hole Blast?

100% ships an update every 5 days, and Black Hole Blast every 2 weeks. Most recently, 100% was updated on October 21, 2026 and Black Hole Blast on October 11, 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.*