# Booster Up! vs MathRush.

The clearest difference is in-app purchases: MathRush. at none against Booster Up!'s 10. Booster Up!'s advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Booster Up! sells 10 one-off in-app purchases. MathRush. asks for nothing beyond the download.

Booster Up! ships an update weekly, MathRush. every 9 days. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Booster Up! | MathRush. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (17K ratings)](https://appshunter.io/ios/app/booster-up/id1668176193/reviews)** | — |
| Number of ratings | **17K** | — |
| Positive reviews | 19.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 400 MB | 18 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Rollic Games](https://appshunter.io/developer/1452111779) | [SANGBEOM PARK](https://appshunter.io/developer/1796086696) |

## What reviewers say

### Booster Up!

[App page](https://appshunter.io/ios/app/booster-up/id1668176193)

Embark on an intergalactic adventure by merging rocket modules to create powerful spacecraft. Launch your rocket, explore planets, collect rewards, and upgrade components to fly farther and overcome challenges.

**Highlights:** Merge rocket modules, Launch and explore planets, Collect rewards and stars, Upgrade rocket components, Unlock new rockets, Overcome space challenges

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Beginners Pack | $0.99 | one-time |
| Diamond - 3M | $1.99 | one-time |
| No ADS | $3.99 | one-time |
| Special Module Pack | $4.99 | one-time |
| Adventurer’s Pack | $6.99 | one-time |
| Adventurer's Pack with No-Ads | $9.99 | one-time |
| Astronaut’s Pack | $12.99 | one-time |
| Astronaut’s Pack with No Ads | $14.99 | one-time |
| Explorer’s Pack | $19.99 | one-time |
| Explorer’s Pack with No Ads | $24.99 | one-time |

**What reviewers like**

- 🚀 Fun and challenging gameplay
- 🚀 Simple and intuitive controls
- 👍 Visually appealing graphics

**What reviewers complain about**

- 🐛 Frequent bugs and glitches
- 💸 Excessive in-app advertisements
- 🔒 Requires internet connection to play
- 🔋 High battery consumption

**Reported bugs**

- Rocket parts disappearing after upgrades
- Inability to reach or progress past certain planets
- Inconsistent reward payouts
- Game freezing or crashing
- Saved progress not loading correctly

**Requested features**

- Offline play mode
- More diverse rocket and module options
- Improved progression system
- Better reward balancing


### MathRush.

[App page](https://appshunter.io/ios/app/mathrush/id6749843351)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Booster Up! free?

Booster Up! is free to download, with in-app purchases available.

### Is MathRush. free?

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

### Do Booster Up! or MathRush. have ads?

Both Booster Up! and MathRush. show ads.

### Which is updated more often, Booster Up! or MathRush.?

Booster Up! ships an update weekly, and MathRush. every 9 days. Most recently, Booster Up! was updated on November 4, 2026 and MathRush. on October 28, 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.*