# Idle Rocket Launch vs Booster Up!

Idle Rocket Launch and Booster Up! both sit at 4.7 stars, but that hides the real split: 78% of Idle Rocket Launch's written reviews are positive against 19% of Booster Up!'s. Idle Rocket Launch also leads on in-app purchases (none vs 14). Booster Up!'s advantage is ratings volume (17K vs 702) and update cadence (weekly vs every 3 weeks). On price, rating, ads and device support there is nothing between them.

Both are free to download. Booster Up! sells 14 one-off in-app purchases. Idle Rocket Launch asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Idle Rocket Launch against 4.6 for Booster Up!. That said, the two scores are not equally well evidenced: Booster Up! has 17K ratings behind it against 702, so its average is the more settled of the two. Written reviews are what separate them: 78% of Idle Rocket Launch's written reviews are positive against 19% of Booster Up!'s.

Idle Rocket Launch ships an update every 3 weeks, Booster Up! weekly. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Idle Rocket Launch | Booster Up! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (702 ratings)](https://appshunter.io/ios/app/idle-rocket-launch/id1480657232/reviews)** | [4.6 (17K ratings)](https://appshunter.io/ios/app/booster-up/id1668176193/reviews) |
| Number of ratings | 702 | **17K** |
| Positive reviews | **77.8% of reviews** | 19.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 221 MB | 400 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [StarBlaze CO.,LTD](https://appshunter.io/developer/1454774010) | [Rollic Games](https://appshunter.io/developer/1452111779) |

## What reviewers say

### Idle Rocket Launch

[App page](https://appshunter.io/ios/app/idle-rocket-launch/id1480657232)

Build and manage your own space industry. Launch rockets to earn money, upgrade your facilities, and unlock historical rocket designs. Experience the thrill of space exploration from your device.

**Highlights:** Launch rockets, Earn money, Upgrade base, Unlock rockets, Manage space industry

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

**In-app purchases:** none

**What reviewers like**

- 🎨 Nice graphics and detailed rocket designs
- 📵 No intrusive ads or optional ad viewing
- 🎮 Fun and engaging idle game mechanics
- ⏱️ Good for killing time
- 🚀 Variety of launch locations

**What reviewers complain about**

- ⏳ Game is too short and lacks content
- 😴 Becomes boring after level 5
- 🎯 Lacks challenge and difficulty
- 💰 Money/progression isolated per location
- 🐛 Level display mismatch (shows level 11 instead of 10)

**Reported bugs**

- Level upgrade counter mismatch
- Download fails at halfway point
- Unskippable ads in earlier versions
- Ads interrupting other app audio

**Requested features**

- More launch locations and environments
- Minigames or additional activities
- Missions or tasks system
- Increased difficulty and challenge
- Shared currency across all locations


### 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 (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Beginners Pack | $0.99 | one-time |
| Money - 50M | $1.99 | one-time |
| Diamond - 3M | $1.99 | one-time |
| No ADS | $3.99 | one-time |
| Special Module Pack | $4.99 | one-time |
| Skip It - 60x | $5.99 | one-time |
| Diamond - 25M | $5.99 | 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 |
| Diamond - 150M | $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


## Frequently asked questions

### Is Idle Rocket Launch free?

Idle Rocket Launch is free to download, with no in-app purchases.

### Is Booster Up! free?

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

### Which has better reviews, Idle Rocket Launch or Booster Up!?

Idle Rocket Launch is rated higher. Idle Rocket Launch averages 4.7 out of 5 from 702 ratings, while Booster Up! averages 4.6 from 17K ratings.

### Do Idle Rocket Launch or Booster Up! have ads?

Both Idle Rocket Launch and Booster Up! show ads.

### Which is updated more often, Idle Rocket Launch or Booster Up!?

Idle Rocket Launch ships an update every 3 weeks, and Booster Up! weekly. Most recently, Idle Rocket Launch was updated on October 14, 2026 and Booster Up! on October 16, 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.*