NineGaps vs Number Bubble Shooter.
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
NineGaps
This is a challenging puzzle game where you place numbers 1-9 into gaps, matching operations. It offers a unique twist on number puzzles with multiple difficulty levels and endless replayability.
- Unique puzzle gameplay
- Cute graphics
- 5 difficulty levels
- Unlimited puzzles
- Leaderboards and achievements
- GameCenter integration
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Featured by Apple as "Best Math Puzzle Game" and "New and Noteworthy" NineGaps is a highly addictive and tricky puzzle game. The goal of the game is really simple. You have to use your wits to place numbers from 1 to 9 in the missing gaps, while matching the operations presented in the puzzle. It's just like sudoku, but different! FEATURES: • simple and unique puzzle-based gameplay • cute graphics • 5 difficulty levels • unlimited brain burning puzzles • global and friend leaderboards • achievements • GameCenter integration • highly addictive and fun! Fans of Sudoku, KenKen and TwentyFour will feel right at home! Test your puzzle cracking skills with NineGaps today! PRESS REVIEWS: ..."sudoku-style puzzle game featuring a clever twist", Macworld ..."polished, fantastic looking iPhone app that anyone can enjoy", MacYourself ..."there is no reason this great puzzle app shouldn't be downloaded today", AppModo ..."with random boards the replayability is pretty much endless", In Touch Reviews ..."simple game with a simple design and does it simply perfect", GameZebo ..."make way for another highly addictive game coming out for your iPhone", Mobilewhack ..."great for all ages whether you want a math refresher or a fun way to teach kids math skills", The AppPodcast ..."this is a simple looking brain burning challenger", iPhone Footprint ..."sudoku meets calculator, has baby, calls it NineGaps", Mobile Game Faqs ..."highly addictive puzzle game", iPhone Toolbox ..."fun and challenging", AppChatter ..."easy to pick up and hard to put down", iPhone App Reviews CONTACT US - Visit us: ninegapsapp.com - Follow us: twitter.com/quadionTouch - Become a fan: facebook.com/pages/Quadion-Technologies/65161686424 Check out our other exciting games: Rune Trails and Wordweaver
Number Bubble Shooter.
An addictive and relaxing bubble game where you tap to shoot numbered bubbles. Merge bubbles with the same number to create larger numbers and challenge your highest score. Enjoy a pressure-free experience with beautiful backgrounds and various ball materials.
- Shoot numbered bubbles
- Merge same numbers
- Break highest score
- No time limit
- Beautiful backgrounds
- Multiple ball materials
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“Number Bubble Shooter” is an addictive relaxing bubble game. Come to play Number Bubble Shooter and give your brain a rest! How to play? ⁃ Tap the screen to shoot the number bubble. ⁃ The same numbers will be merged to a larger number. Features: ⁃ Beautifully easy and simple, no pressure and no time limit. ⁃ Challenging to break your highest score. ⁃ Easy to play. Classic bubble game for all ages! ⁃ Multiple beautiful background pictures. ⁃ Multiple materials of balls. Such as: bubble, crystal, jewel, snowball… Come and play this game and become a master of number bubble game now!
Screenshots
Verdict
The clearest difference is rating: Number Bubble Shooter. at 4.5 against NineGaps's 4.0. Number Bubble Shooter. also leads on update cadence (every 4 months vs every 26 months) and ratings volume (1.9K vs 10). NineGaps's advantage is in-app purchases (none vs 8) and ads (none vs shown). On price and device support 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. Number Bubble Shooter. sells 8 one-off in-app purchases. NineGaps asks for nothing beyond the download.
Number Bubble Shooter. holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Number Bubble Shooter. has 1.9K ratings behind it against 10, so its average is the more settled of the two. Written reviews complicate that: 88% of NineGaps's written reviews are positive against 63% of Number Bubble Shooter.'s, so the app with the better star average is not the one people write more warmly about.
NineGaps ships an update every 26 months, Number Bubble Shooter. every 4 months. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.
| Parameter | NineGaps | Number Bubble Shooter. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (10 ratings) | 4.5 (1.9K ratings) — better |
| Positive reviews | 88.1% of reviews — better | 62.7% of reviews |
| Number of ratings | 10 | 1.9K — better |
| Update frequency | Every 26 months | Every 4 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.3 — better | 12.0 |
| Further details — not scored | ||
| Size | 72 MB | 120 MB |
| Age rating | 4+ | 4+ |
| Developer | Quadion Technologies LLC | Shanghai Diguo Network Technology Co., Ltd. |
Customer experience
NineGaps
Number Bubble Shooter.
User reviews
NineGaps
From 10 App Store ratingsWhat we love
- 🧠 Excellent brain training and mental math improvement
- 🎮 Simple yet challenging gameplay mechanics
- 🎨 Clean, polished, and attractive visual design
- ⏱️ Quick games perfect for short waiting periods
- 👨👩👧👦 Suitable for multiple age groups and skill levels
Room to improve
- 🔊 Loud sound effects that cannot be controlled properly
- 💾 No game saving feature when closing app
- 🧮 Does not follow proper order of operations (PEMDAS)
- 🔴 Occasional crashes or app not opening
- 🎮 Limited replay value after extended play
Number Bubble Shooter.
From 1.9K App Store ratingsWhat we love
- 👍 Fun and addictive game
- 💡 Unique combination of 2048 and bubble shooter
- 🧠 Challenging and makes you think
Room to improve
- 🚨 Too many ads interrupting gameplay
- 🔒 Inability to disable ads even after paying
- 🐛 Freezing and crashing issues
- 🔍 Lack of visibility for score/coin count
Bugs and requests
NineGaps
Reported bugs
7 issues- Sound effects stop working intermittently
- App crashes or fails to open on launch
- Sound volume settings not saving between sessions
- OpenFeint achievements not awarding properly
- Mathematical calculation errors in some puzzles
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- Unsolvable puzzle generation reported
- Incorrect answer validation (marking correct answers as wrong)
Requested features
14 requests- Solution/reveal button to show answers when stuck
- Hint system for difficult puzzles
- Game auto-save functionality
- Persistent sound settings across sessions
- Global leaderboards for competition
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- Multiplayer mode or WiFi challenges
- Larger grids (4x4, 5x5) for increased difficulty
- Puzzle numbering system for tracking progress
- Ability to view completed games
- Confirmation dialog before resetting high scores
- Brackets/parentheses support in equations
- Higher difficulty levels for advanced players
- More game modes and variations
- Improved color contrast for colorblind users
Number Bubble Shooter.
Reported bugs
3 issues- Game progress/high score loss
- Inability to exit full-screen ads
- Inconsistent gameplay mechanics
Requested features
3 requests- Option to pay for ad-free version
- Improved UI/UX for score and coin display
- More level variety and progression
In-app purchases
NineGaps
No in-app purchases
Number Bubble Shooter.
- 2000 coins$1.99
- FUN PACK$2.99
- Remove Ads$4.99
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- 6300 coins$5.99
- 11000 coins$9.99
- 23100 coins$19.99
- 49000 coins$39.99
- 85000 coins$59.99
Questions
Is NineGaps free?
Is Number Bubble Shooter. free?
Which has better reviews, NineGaps or Number Bubble Shooter.?
Do NineGaps or Number Bubble Shooter. have ads?
Which is updated more often, NineGaps or Number Bubble Shooter.?
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