Boost Buddies vs UFO99
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Boost Buddies
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.
- 81 Challenge Levels
- Hundreds of obstacle challenges
- Unique characters with themes and music
- Pixel art visuals
- Sticker pack
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Boost Buddies is a hardcore action reflex game. Test yourself in this deceptively cute challenge and reach the top of leaderboards! Collect dozens of unique characters with their very own music and level design. Also featuring Cat Bird! Features: * 81 Challenge Levels. * 100's of deadly obstacle challenges! * Each character has a unique theme and music track! * Beautiful pixel visuals! * Boost Buddies Stickerpack! * End game cutscene(If you can reach that far).
UFO99
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.
- 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
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Block monsters can be found floating around in this colorful universe, so watch out! Pick up big hammers and smash them. Keep challenging levels to get a higher rank and score! Giant bosses hide away in the Demon Key. Dodge their attacks, pick up magic items and fight back. Retrieve the long-lost UFO99 letter gems! Features of UFO99: #Super Easy - Flying & Combat Fly, speed-up, dodge, pick up hammers and smash block monsters! #Super Fun - Local Multiplayer Co-op Game 1-4 player co-op mode. Play with friends and family! #Super Healing - Character Gashapons Over 60 cute, healing characters. Fight with different characters each time! #Super Relaxing - Play Anytime, Even For A Short Time Each game requires only about 1 to 3 minutes. Lots of random levels with endless variations! #Super Exciting - Combat Giant Bosses Giant bosses are in hiding. Stay alert and feel the thrill of this easy-to-play game! #Super Rich - Special Power-up Items 5 special power-up items allow you to always be the winner! #Super Cute - Colorful Graphics The various bright colors and cute styles can light up your day! Tons of gold coins and items are given away each day!Download now to get countless gifts! Start playing today!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Boost Buddies | UFO99 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (60 ratings) | 4.2 (41 ratings) — better |
| Positive reviews | 59.4% of reviews | 69.0% of reviews — better |
| Number of ratings | 60 — better | 41 |
| Update frequency | Every 4 months | Every 2 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 12 — better |
| Further details — not scored | ||
| Size | 74 MB | 43 MB |
| Age rating | 9+ | 4+ |
| Developer | Raiyumi Inc. | I Chen Sheng |
Customer experience
Boost Buddies
UFO99
Bugs and requests
Boost Buddies
Reported bugs
8 issues- 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
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- Ads appearing in paid version
- Lag and game blacking out
- Moving floors stop working in upper levels
Requested features
8 requests- 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
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- Add music tracks to the game
- Improve level design for extreme difficulty levels
- Easier way to get coins
UFO99
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Boost Buddies
- Remove Ads + Lucky Kat + 300g$2.99
UFO99
- Alpaca$0.99
- Hippo$0.99
- Rabbit$0.99
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- Frog$0.99
- Snail$0.99
- Big White Goose$0.99
- Orange Cat$0.99
- Summer Octopus$0.99
- Ad Removal$1.99
- Ad Removal$3.99
