# Empty. vs QuickMathMaster

The clearest difference is in-app purchases: Empty. at none against QuickMathMaster's 1. Empty. also leads on ads (none vs shown) and ratings volume (2.4K vs 1). QuickMathMaster's advantage is rating (5.0 vs 4.8). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. QuickMathMaster sells 1 one-off in-app purchase. Empty. asks for nothing beyond the download.

QuickMathMaster holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Empty. has 2.4K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 93% of Empty.'s written reviews are positive against 100% of QuickMathMaster's.

Empty. ships an update monthly, QuickMathMaster every 3 months. The most recent releases landed on October 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Empty. | QuickMathMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (2.4K ratings)](https://appshunter.io/ios/app/empty/id1191062782/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quickmathmaster-brain-game/id6755707607/reviews)** |
| Number of ratings | **2.4K** | 1 |
| Positive reviews | 92.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 88 MB | 82 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maksym Dzitsiuk](https://appshunter.io/developer/1191062781) | [XINGHUA HE](https://appshunter.io/developer/1855752263) |

## What reviewers say

### Empty.

[App page](https://appshunter.io/ios/app/empty/id1191062782)

A relaxing puzzle game designed to help you unwind and appreciate simplicity. Rotate rooms to clear them using intuitive one-touch controls. Enjoy a peaceful experience with a beautiful soundtrack and over 25 handcrafted levels.

**Highlights:** Unique room rotation puzzles, One-touch controls, No ads or paid content, Accessible for all ages, 25+ handcrafted levels, Original soundtrack

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🌙 Calming and relaxing
- 👍 Simple and intuitive gameplay
- 🎨 Beautiful color palette and aesthetics
- 🔒 No ads or in-app purchases
- 💡 Unique and innovative concept

**What reviewers complain about**

- 🕰️ Game is too short
- 🤔 Some levels require precise alignment
- 🔇 No option to turn off background music

**Reported bugs**

- Certain objects not disappearing as expected
- Glitches on specific levels

**Requested features**

- More levels and content
- Difficulty settings or options
- Ability to save progress


### QuickMathMaster

[App page](https://appshunter.io/ios/app/quickmathmaster-brain-game/id6755707607)

Sharpen your mind with this fast-paced mental math game. Improve calculation speed, focus, and logic through three difficulty levels and timed challenges. Track your progress and aim for top ranks in a distraction-free environment.

**Highlights:** Three difficulty levels, Fast-paced timed challenges, Performance tracking, Distraction-free interface, Logic and memory improvement

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent Ad Removal | $0.99 | one-time |


## Frequently asked questions

### Is Empty. free?

Empty. is free to download, with no in-app purchases.

### Is QuickMathMaster free?

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

### Which has better reviews, Empty. or QuickMathMaster?

QuickMathMaster is rated higher. Empty. averages 4.8 out of 5 from 2.4K ratings, while QuickMathMaster averages 5.0 from 1 ratings.

### Do Empty. or QuickMathMaster have ads?

QuickMathMaster shows ads; Empty. does not.

### Which is updated more often, Empty. or QuickMathMaster?

Empty. ships an update monthly, and QuickMathMaster every 3 months. Most recently, Empty. was updated on October 7, 2026 and QuickMathMaster on September 21, 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.*