N'Back vs N
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
N'Back
Enhance sensory and working memory with this brain training application. It offers various modes to test your ability to recall sequences of numbers, progressing through different 'N' levels.
- Sensory memory improvement
- Working memory enhancement
- N'Back exercises
- Flash Mode
- Slow Mode
- Step Mode
Read full descriptionHide full description
Improve Sensory Memory & Working Memory using N'Back. ◆Flash Mode / Slow Mode / Step Mode Tap the number key matches the one from N steps earlier in the sequence. In 1'Back 1 task1: count & memorize 2 task2: count & memorize 3 __keyboard__: answer for task1 4 task3: count & memorize 5 __keyboard__: answer for task2 6 task4: count & memorize : In 2'Back 1 task1: count & memorize 2 task2: count & memorize 3 task3: count & memorize 4 __keyboard__: answer for task1 5 task4: count & memorize 6 __keyboard__: answer for task2 7 task5: count & memorize :
N
Read full descriptionHide full description
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 update cadence: N at every 4 days against N'Back's every 9 months. N'Back's advantage is iOS requirement (16.0 vs 26.0). On price, ads, 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. N'Back 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.
N'Back ships an update every 9 months, N every 4 days. The most recent releases landed on September 11, 2026 and September 7, 2026 respectively.
| Parameter | N'Back | N |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 70.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 9 months | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 6 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Yasuyoshi Ota | chunson yamada |
In-app purchases
N'Back
- Add Levels (3'Back-10'Back) and Remove Ads$2.99
N
- １ヶ月プラン$0.991 Month
