Abacus Lesson vs Abaculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Abacus Lesson
Master mental arithmetic and abacus calculation with this comprehensive app. Learn efficient finger movements and mental math techniques to solve complex problems quickly. Enjoy a customizable and ad-free learning experience with progress tracking.
- Abacus lessons
- Mental arithmetic training
- Finger movement focus
- Customizable abacus color
- Screen orientation options
- Trophy system for goals
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356+735+195, 23×89, 5626÷58, Can you solve each in 5 sec by mental arithmetic? The goal of this app is to learn abacus and solve these problems in mental arithmetic within 5 seconds. All lessons of the abacus lesson series, which have been highly evaluated all over the world, are recorded. The lessons have been reworked in a more polite and easy-to-understand. In addition, we have added unique training methods such as training focusing on finger movements and mental arithmetic training to improve mental arithmetic in order to learn abacus more efficiently. And various improvements have been made. - Either vertical screen or horizontal screen can be selected. - The position and size of the abacus and window can be freely laid out. - No ads. - Added sound variations. Volume control can also be finely set. - The color of the abacus can be set freely. - Earn a trophy by achieving the goal. - Smoother operability by optimizing the app. ◆Support web page https://hirokuma.blog/?p=4427
Abaculator
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Abaculator can be used as a calculator or an abacus. You can do addition, subtraction, multiplication and division with abaculator. Simple tutorials are available for you to learn abacus. And you can switch between 3 languages. The bead movement speed can also be adjusted.
Screenshots
Verdict
The clearest difference is in-app purchases: Abaculator at none against Abacus Lesson's 1. Abacus Lesson's advantage is update cadence (every 2 days vs every 35 months) and iOS requirement (11.0 vs 15.6). On price, ads 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. Abacus Lesson sells 1 one-off in-app purchase. Abaculator asks for nothing beyond the download.
Abacus Lesson ships an update every 2 days, Abaculator every 35 months. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.
| Parameter | Abacus Lesson | Abaculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (95 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 95 — better | — |
| Update frequency | Every 2 days — better | Every 35 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 153 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Hirokazu Komatsu | Chi-Cheng Liao |
In-app purchases
Abacus Lesson
- Unlock all contents$5.99
Abaculator
No in-app purchases
