# Boost Buddies vs UFO99

The clearest difference is update cadence: UFO99 at every 2 days against Boost Buddies's every 4 months. UFO99 also leads on rating (4.2 vs 3.9) and review sentiment (69% vs 59%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Boost Buddies sells 1 one-off in-app purchase and UFO99 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UFO99 holds the better App Store score, 4.2 against 3.9. Both are backed by a comparable volume of ratings — 60 and 41 respectively. Written reviews point the same way: 59% of Boost Buddies's written reviews are positive against 69% of UFO99's.

Boost Buddies ships an update every 4 months, UFO99 every 2 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Boost Buddies | UFO99 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (60 ratings)](https://appshunter.io/ios/app/boost-buddies/id1377471650/reviews) | **[4.2 (41 ratings)](https://appshunter.io/ios/app/ufo99/id1549816260/reviews)** |
| Number of ratings | **60** | 41 |
| Positive reviews | 59.4% of reviews | **69.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 74 MB | 43 MB |
| Requires iOS | 16.4 | **12** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Raiyumi Inc.](https://appshunter.io/developer/1097595977) | [I Chen Sheng](https://appshunter.io/developer/536427960) |

## What reviewers say

### Boost Buddies

[App page](https://appshunter.io/ios/app/boost-buddies/id1377471650)

Engage in a hardcore action reflex game with deceptively cute visuals. Test your skills across numerous challenging levels and obstacles. Collect unique characters, each with their own music and level design, to climb the leaderboards.

**Highlights:** 81 Challenge Levels, Hundreds of obstacle challenges, Unique characters with themes and music, Pixel art visuals, Sticker pack

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads + Lucky Kat + 300g | $2.99 | one-time |

**What reviewers like**

- 😍 Adorable characters and art
- 🎵 Great music and soundtrack
- 🎮 Fun and addictive gameplay
- ✨ Creative mechanics and rules
- 👍 Simple controls, easy to learn

**What reviewers complain about**

- 💥 Frequent crashes and freezes
- 🚫 Game won't open or start
- 📉 Lag and performance issues
- 💸 Ads interrupt gameplay
- 🤷 Difficulty with certain levels

**Reported bugs**

- Game crashes on startup
- Game won't open
- Levels are unplayable due to no controls
- Button mode for controls not available in levels
- Progress reset after updates

**Requested features**

- Update with new features and levels
- Add more levels
- Add more characters
- Make controls more accessible in levels
- Allow choosing when to watch ads for continues


### UFO99

[App page](https://appshunter.io/ios/app/ufo99/id1549816260)

Engage in a vibrant arcade experience, smashing block monsters with hammers and collecting gems. Challenge increasingly difficult levels, battle giant bosses, and enjoy cooperative play with friends. Discover unique characters and power-ups in this fast-paced, visually appealing game.

**Highlights:** Easy flying and combat controls, 1-4 player local co-op multiplayer, Collect over 60 unique characters, Short, quick gameplay sessions (1-3 minutes), Battle giant bosses with power-ups, Colorful and cute graphics

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alpaca | $0.99 | one-time |
| Hippo | $0.99 | one-time |
| Rabbit | $0.99 | one-time |
| Frog | $0.99 | one-time |
| Snail | $0.99 | one-time |
| Big White Goose | $0.99 | one-time |
| Orange Cat | $0.99 | one-time |
| Summer Octopus | $0.99 | one-time |
| Ad Removal | $1.99 | one-time |
| Ad Removal | $3.99 | one-time |


## Frequently asked questions

### Is Boost Buddies free?

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

### Is UFO99 free?

UFO99 is free to download, with in-app purchases available.

### Which has better reviews, Boost Buddies or UFO99?

UFO99 is rated higher. Boost Buddies averages 3.9 out of 5 from 60 ratings, while UFO99 averages 4.2 from 41 ratings.

### Do Boost Buddies or UFO99 have ads?

Both Boost Buddies and UFO99 show ads.

### Which is updated more often, Boost Buddies or UFO99?

Boost Buddies ships an update every 4 months, and UFO99 every 2 days. Most recently, Boost Buddies was updated on November 2, 2026 and UFO99 on November 3, 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.*