Mathematical N vs N
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mathematical N
This app offers a comprehensive mathematical n-back training experience. Users can select from various arithmetic operations or a mixed mode for increased difficulty. Track your performance with detailed charts and compete with others on leaderboards.
- Multiple arithmetic operations (add, subtract, multiply)
- Mixed operation mode for advanced challenge
- Timed games to beat personal bests
- Progress tracking with charts
- Global leaderboards for competition
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The most complete mathematical n-back game on the market. •Choose between addition, subtraction, multiplication or mix them all together for a much more challenging game. •Time your games and try to beat your last score. •Longer more challenging games than other apps. •Charts to track your progress. •Leaderboards to see how well you stack up against other users.
N
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I wanted to play "Oni Keisan" on my iPhone! That's why I created this N-Back brain training app. What is this training? Solve calculations while remembering the answers from a few questions back. Juggling "memorizing" and "calculating" at the same time gives your brain a real workout. Features ◆ Two Input Modes - Tap Mode: Quickly tap the answer - Handwriting Mode: Write numbers directly ◆ Build Daily Habits - Set daily play goals - Track your streak - Record how you're feeling today ◆ Track Your Progress - Accuracy trends - Level-up history - Play history ◆ Customize Your Way - Adjust question count & time limits - 3 color themes - iPhone & iPad support Perfect For - Those who want to play Oni Keisan without a dedicated game console - Anyone looking for a quick mental exercise - People who want to build a daily habit Just 5 minutes a day. A casual brain training experience.
Screenshots
Verdict
The clearest difference is ads: Mathematical N at none against N's shown. Mathematical N also leads on iOS requirement (13.0 vs 26.0). N's advantage is update cadence (every 4 days vs every 8 months). On price, in-app purchases 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. Mathematical N sells 1 one-off in-app purchase and N sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Mathematical N ships an update every 8 months, N every 4 days. The most recent releases landed on September 6, 2026 and September 22, 2026 respectively.
| Parameter | Mathematical N | N |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (85 ratings) — better | — |
| Positive reviews | 81.3% of reviews | — |
| Number of ratings | 85 — better | — |
| Update frequency | Every 8 months | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 28 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | William Mahoney | chunson yamada |
In-app purchases
Mathematical N
- Pro Version$3.99
N
- １ヶ月プラン$0.991 Month
