Bubbu 2 vs BrainFlex!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Bubbu 2
Care for a virtual cat and explore a magical pet kingdom. Adopt pets, dress them up, play mini-games, and even visit the vet. Hatch new alien friends and create a vibrant world with your animal companions.
- Adopt and care for a virtual cat
- Explore a colorful pet kingdom
- Hatch and collect alien pets
- Dress-up and fashion salon
- Play dentist and doctor games
- Engage in numerous mini-games
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Join Bubbu's world of fun! Play with your favorite virtual cat and pet friends. Get ready for an exciting pet adventure with Bubbu and his friends! Start by adopting Bubbu and then take good care of your virtual cat every day. Ensure he's always happy, healthy, fed, and well-rested. Don't wait! A fantastic world of pets is waiting for you! EXPLORE A NEW WORLD Being the very first kitty on Mars is super exciting and so much fun! Dive into the fantastic mysteries of the Red Planet and make Bubbu’s world colorful and magical! Bring about day and night, rain and sunshine, and even create beautiful rainbows. Watch Bubbu fly high over the kingdom, visit the city, jump into the lake, play mini-games, and enjoy spending time with new friends. Meet Cocco the hen and Mimmi's hologram, they both add some sweetness to Bubbu’s life. HATCH & COLLECT PETS Visit the hatchery to make adorable alien friends for Bubbu. Use the magical merging machine to combine two pets and witness a brand-new egg hatching before your eyes! Discover the joy of bringing pets to life and create a vibrant pet kingdom with each new friend you collect! MEOW’S FASHION SALON Explore a fabulous range of trendy outfits and adorable accessories for dress-up fun with your virtual cat! Transform your Bubbu into a true style icon with our fantastic selection of fashionable items. DENTIST & DOCTOR GAMES Sometimes, Bubbu isn't feeling too well and needs to visit the friendly pet doctor at the animal hospital. Help make Bubbu's tummy and throat better, fix his bones and teeth, and say bye-bye to fleas! Be the best vet and make Bubbu smile again! MINI-GAMES Hop into a world of super fun mini-games like Pixel Color, Egg Stack, Mars Explorer, Marble World, Bubble Pop, Alien Invaders, Pizza Maker, and many more to improve memory, creativity, and coordination. Play these games to level up your pet adventure, earn exciting achievements, and collect awesome rewards. These games promise endless entertainment and challenges for the whole family. Ready for a pet adventure that's out of this world? Enjoy an epic space journey with your virtual cat Bubbu and his pet friends! This game is free to play but certain in-game items and features, including some of those mentioned in the game description, may require payment via in-app purchases which cost real money. Please check your device settings for more detailed options regarding in-app purchases. Subscription: This subscription automatically renews every subscription period unless you turn it off at least 24 hours before the end of the current subscription period. The game contains advertising for Bubadu’s products or some third parties which will redirect users to our or third-party site or app. This game is certified compliant with the Children’s Online Privacy Protection Act (COPPA) by FTC-approved COPPA safe harbor PRIVO. If you would like to know more about the measures we have in place for protecting child privacy, please see our policies here: https://bubadu.com/privacy-policy.shtml . Terms of service: https://bubadu.com/tos.shtml
BrainFlex!
Engage in a cinematic trivia adventure that sharpens your mind with curated categories and dynamic challenges. Enjoy adaptive difficulty, immersive visuals, and audio that make daily brain training feel like a blockbuster experience. Compete with friends and unlock achievements to stay mentally agile.
- Cinematic trivia adventure
- Curated categories
- Dynamic streak challenges
- Adaptive difficulty
- Immersive visuals and audio
- Themed achievements
- Customizable focus soundtrack
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BrainFlix is a cinematic trivia adventure that turns every spare minute into a brain-boosting rush. Master curated categories, tackle dynamic streak challenges, and climb a live multiplayer-inspired scoreboard that keeps you buzzing. Adaptive difficulty delivers fresh questions tailored to your streaks, while atmospheric visuals, tactile micro-interactions, and immersive audio pull you into the action. Unlock themed achievements, customize your focus soundtrack, and compete with friends to stay sharper than ever. Whether you are on your commute or powering through a marathon session, BrainFlix makes your daily brain training feel like a blockbuster moment.
Screenshots
Verdict
The clearest difference is rating: BrainFlex! at 5.0 against Bubbu 2's 4.3. BrainFlex! also leads on review sentiment (100% vs 85%) and update cadence (every 2 weeks vs every 6 weeks). Bubbu 2's advantage is ratings volume (334 vs 1). On price, ads, in-app purchases and monetization model 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. Bubbu 2 sells 12 in-app purchases, starting at $1.99 per 7 days and BrainFlex! sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
BrainFlex! holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Bubbu 2 has 334 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 85% of Bubbu 2's written reviews are positive against 100% of BrainFlex!'s.
Bubbu 2 ships an update every 6 weeks, BrainFlex! every 2 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | Bubbu 2 | BrainFlex! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (334 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 84.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 334 — better | 1 |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 472 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | BUBADU information technology Ltd. | Hila LLC |
Customer experience
Bubbu 2
BrainFlex!
Bugs and requests
Bubbu 2
Reported bugs
3 issues- Chicken has 2 eyes instead of 3
- Slow download/installation process
- Unwanted ads even with VIP subscription
Requested features
5 requests- Add gender selection at the start
- Bring back original voice and animations
- Introduce Duddu 2 and Bubbu 3
- Improve loading times
- Remove VIP subscription requirement
BrainFlex!
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Bubbu 2
- Bubbu 2 Weekly Subscription3 Days trial$1.997 Days
- Bubbu 2 Monthly Subscription3 Days trial$7.991 Month
- Bubbu 2 Yearly Subscription3 Days trial$44.991 Year
- Buy 5000 coins$0.99
- Buy 50 diamonds$1.99
- Buy 150 diamonds$4.99
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- Gold & Gem Boost$4.99
- Buy 500 diamonds$14.99
- Space Costume Party$19.99
- Super Doctor Kit$24.99
- Buy 1000 diamonds$27.99
- Buy 5000 diamonds$89.99
BrainFlex!
- 1,000 Stars$0.99
- Remove Ads$1.99
- 5000 Stars$3.99
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- 10,000 Stars$6.99









