Abacus 2.0 vs Abacus Lesson
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Abacus 2.0
This educational tool simulates an abacus machine with playback analysis for calculations. It allows users to adjust digit size and control numeric display, offering a silent learning experience for teaching or personal practice.
- Playback analysis of calculations
- Adjustable digit size (10-27 digits)
- Numeric display control
- Silent operation
- Multiple calculation series replay
Read full descriptionHide full description
The Future of the Abacus Machine! - Playback Analysis Function. You have ability to make playback analysis for on-going or previous series of calculation. If you are teaching Abacus to students, you don't have to be right next to her/him. You can replay the calculation, once you find your student made mistake. Start until press the "All Clear" button is the one series. You are able to replay up to 5 series of calculations. - Pick a Right Digit Size. You can scale the Frame and pick the right size for your device. Pick a one that most fit from 10 digits to 27 digits. - Numeric Number Display Control Function. You have control to show Numeric Number on the Screen. Toggle it anytime you want. - It's Silent!! There is no Noise!! You can use this Abacus wherever you want. For customer support, please contact: yamakengames.cs@gmail.com
Abacus Lesson
Learn the simple and fast method of division using an abacus. This app focuses on developing mental calculation skills by leveraging the abacus technique. It's recommended to master addition, subtraction, and multiplication with an abacus first.
- Learn abacus division techniques
- Develop mental calculation skills
- Focus on Soroban method
- Step-by-step division instruction
- Builds on addition, subtraction, multiplication
Read full descriptionHide full description
An abacus is named "Soroban" in Japan. Do you know what an abacus is? The abacus is very simple calculator used in China, Japan, Korea and so on. Some people may say "Isn't it an unnecessary tool if you have a calculator such as a smartphone?". Answer would be "No". The biggest difference between electric calculators and the abacus is whether you need to hold it in your hand when calculating. Because of its simplicity, you will be able to easily use the abacus in your mind. In the app, we will explain simple and fast method of the division using the abacus. To learn division, it is essential to be able to add, sub, and multiplication with an abacus. If you are new to them, we recommend that you learn addition subtraction multiplication with the app in my app list first. This app will give you the skill of calculation of division.
Screenshots
Verdict
The clearest difference is review sentiment: Abacus Lesson at 100% against Abacus 2.0's 50%. Abacus Lesson also leads on rating (5.0 vs 3.7) and update cadence (monthly vs every 16 months). Abacus 2.0's advantage is ads (none vs shown) and iOS requirement (9.0 vs 11.0). On price, ratings volume, in-app purchases and monetization model 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 2.0 sells 1 one-off in-app purchase and Abacus Lesson sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Abacus Lesson holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews point the same way: 50% of Abacus 2.0's written reviews are positive against 100% of Abacus Lesson's.
Abacus 2.0 ships an update every 16 months, Abacus Lesson monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Abacus 2.0 | Abacus Lesson |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (6 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 | 8 — better |
| Update frequency | Every 16 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 85 MB | 132 MB |
| Age rating | 4+ | 4+ |
| Developer | Kenji Yamamoto | Hirokazu Komatsu |
Customer experience
Abacus 2.0
Abacus Lesson
In-app purchases
Abacus 2.0
- Ad Free Forever$16.99
Abacus Lesson
- Donation Lv1 for hiding Ad$1.99
- Donation Lv2 for hiding Ad$3.99
- Donation Lv3 for hiding Ad$8.99
Questions
Is Abacus 2.0 free?
Is Abacus Lesson free?
Which has better reviews, Abacus 2.0 or Abacus Lesson?
Do Abacus 2.0 or Abacus Lesson have ads?
Which is updated more often, Abacus 2.0 or Abacus Lesson?
Other comparisons
