DualBrain+ Brain Training vs Number Join
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
DualBrain+ Brain Training
Engage in a variety of exciting games designed to challenge your cognitive abilities. Compete against yourself and others on global leaderboards while unlocking achievements. Enjoy a multi-language interface and customizable music options.
- Eight distinct timed games
- Three challenging game modes
- Multiple difficulty levels
- GameCenter leaderboards
- Unlockable achievements
- Social media sharing
- Multi-language support
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DualBrain+ Level Up Your Brain! +++++++++++++++++++++++++ Strengthen your brain! Which side is your better brain? Find out in a competition with yourself while solving exciting games! And all at the same time! DualBrain+ Features: +++++++++++++++++++++++++ + Eight different, appealing games against the time + Three Different, challenging game modes + Three difficulty levels for easy entry and steady progress + GameCenter integration: Compete with your friends or compare your results with players around the globe with the integrated highscore leaderbords + HD support: High resolution images for your iOS Retina Display included + Universal Binary with full iPad support. Take advantage of the iPad screen-size + Tons of unlockable and fun achievments + Share your success with social media integration + Featuring classical background music from one of the greatest composer, Ludwig van Beethoven or listen to electronic music or even your own iPod music + Instructions for each game available on the main menu + Multi-Language: The GUI is available in many languages ++ English ++ German (Deutsch) ++ French (Français) ++ Spanish (Español) ++ Italian (Italiano) ++ Czech (čeština) ++ Slovakian (slovenčina) ++ Japanese (日本語 Nihongo) + 8 Games included ++ Simple Arithmetic Math ++ Color Mixing ++ Number Sequences ++ Stroop Effect (name that textcolor) ++ Rock, Paper, Scissors ++ Rear of Die ++ Red Minus Blue ++ Find the Sign + 3 different game modes ++ Classic: Choose the games you want to compete in. But watch the time! ++ Endurance: Like Classic game mode but without decreasing time limit ++ Mayhem: Are you ready for the ultimative challenge? All games are randomly selected and time is running up. The most challenging game mode awaits you. Yappler-Tags: game, braintraining, brain, science, fun, mental, entertainment, educational, color Level Up Your Brains, and let them fight, only the fittest will survive! +++++++++++++++++++++++++ Already awarded! DualBrain+ was chosen Finalist by the App Star Awards 2010 Jury to highlight and reward great new iPhone/iPad apps coming to the AppStore. Playing brain stimulating games increases the density of the cortex and may improve the efficiency of some parts of the brain, according to researchers investigating complex spatial tasks, video games and other. DualBrain+ keeps you occupied with different kind of games to stimulate your left and your right brain hemisphere. "From the creators of ReSpell and ClaviLux, Xija Research shows us a fun way to extend our brain capabilities with this addictive brain training game." -- H. Kregiel +++++++++++++++++++++++++ Brought to you by Xija Research - Reaching Out For A Better Tomorrow. subkom GmbH, Independent app developing. Check out ReSpell+ and ClaviLux. Now on http://www.xija.org
Number Join
A logic puzzle game where you fill in missing numbers sequentially, horizontally or vertically. Features multiple difficulty levels, over 500 puzzles, and helpful tools like a "Check" function to highlight errors. It also tracks your best completion times and offers Game Center achievements.
- Fill missing numbers sequentially
- Horizontal and vertical paths only
- 5 difficulty levels
- Over 500 levels
- Highlight wrong numbers function
- Auto-save progress
- Record best completion times
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This game is a logic puzzle with simple rules. Your aim is to fill in the missing numbers, in sequential order, going horizontally or vertically only. Diagonal paths are not allowed. **** Features **** # Content - 5 difficulty levels - more than 500 levels # Features - "Check" function can highlight wrong numbers - option to enable automatically highlight wrong numbers - Auto-save the process of unfinished levels - Record best completion time for each level # Challenge - Game Center Achievements - Try to complete as many levels as possible
Screenshots
Verdict
The clearest difference is price: Number Join at Free against DualBrain+ Brain Training's $1.99. Number Join also leads on ratings volume (202 vs 3) and update cadence (every 5 months vs every 22 months). DualBrain+ Brain Training's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, review sentiment, device support and iOS requirement 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
Number Join is free to download; DualBrain+ Brain Training costs $1.99 up front. Number Join sells 1 one-off in-app purchase. DualBrain+ Brain Training asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.3 for DualBrain+ Brain Training against 4.2 for Number Join. That said, the two scores are not equally well evidenced: Number Join has 202 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 74% of DualBrain+ Brain Training's written reviews are positive against 66% of Number Join's.
DualBrain+ Brain Training ships an update every 22 months, Number Join every 5 months. The most recent releases landed on October 27, 2026 and October 23, 2026 respectively.
| Parameter | DualBrain+ Brain Training | Number Join |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.3 (3 ratings) — better | 4.2 (202 ratings) |
| Positive reviews | 73.8% of reviews — better | 66.1% of reviews |
| Number of ratings | 3 | 202 — better |
| Update frequency | Every 22 months | Every 5 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 26 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | subkom GmbH | Stanley Lam |
Customer experience
DualBrain+ Brain Training
Number Join
Bugs and requests
DualBrain+ Brain Training
Not enough reviews yet to summarise bugs or requests.
Number Join
Reported bugs
6 issues- Game crashes upon opening
- Game crashes during gameplay
- Update issues: game alignment, inaccessible older games
- View mode screwed up, nothing lines up
- Congrats window blocks game
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- Game stops podcasts playing in background
Requested features
8 requests- More puzzles, larger grids (11x11+)
- Ability to set up puzzles from external sources
- More distinguishing colors for tiles
- A 'backwards mode' for reverse number solving
- Different color tiles for next vs. back numbers
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- Option to choose number direction (up/down) manually
- Continuous puzzles at each level, not repeating ones
- Pencil options for number entry
In-app purchases
DualBrain+ Brain Training
No in-app purchases
Number Join
- Upgrade to Full Version$0.99
Questions
Is DualBrain+ Brain Training free?
Is Number Join free?
Which has better reviews, DualBrain+ Brain Training or Number Join?
Do DualBrain+ Brain Training or Number Join have ads?
Which is updated more often, DualBrain+ Brain Training or Number Join?
Other comparisons
