Know Abacus vs Soroban Training
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Know Abacus
This app teaches children how to use an abacus for various math operations. It covers counting, addition, subtraction, multiplication, and division, helping to develop their mathematical abilities and brain potential. It offers multiple learning modes and customization options.
- Abacus counting
- Addition and subtraction (1 & 2 digits)
- Multiplication and division (1-2 digits)
- Mental math practice
- Review and random lessons
- Customizable abacus (color, touch)
- Multiple languages
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Abacus is a wonderful mathematical instrument used for calculation. This app will help your children learn about Abacus, Numbers, Counting, Addition, and Subtraction. This is the first step to tap the unexploited potential in their brain and unleash their mathematical capability. Suitable for children age 5 and up, who know about numbers and some basic addition and subtraction. For smaller children, recommend KnowNumber app. * Counting with Abacus * Addition/Subtraction 1 digit * Addition/Subtraction 2 digits * Multiplication 1-2 digits * Division 1-2 digits * Mental math * Review lessons * Unlimited random lessons * Black/white or colorful abacus * Learning modes * Two-touch or multi-touch abacus * Left-handed mode Localized Languages: * English, French, Spanish, Thai, Turkey, Arabic, Portuguese, and Russian
Soroban Training
Learn and practice abacus skills directly on your touchscreen. Generate custom problems to hone your abacus techniques, even with a physical abacus.
- Touchscreen abacus simulation
- Custom problem generation
- Practice with physical abacus
- Abacus learning tool
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This app enables you to play an abacus on the touch screen. You can also just create problems, so you can practice the abacus using your actual abacus.
Screenshots
Verdict
The clearest difference is update cadence: Soroban Training at every 2 weeks against Know Abacus's every 2 months. Know Abacus's advantage is review sentiment (96% vs 78%) and iOS requirement (11.0 vs 18.0). On price, rating, ratings volume and ads 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. Know Abacus sells 1 one-off in-app purchase and Soroban Training sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Know Abacus against 4.7 for Soroban Training. Both are backed by a comparable volume of ratings — 67 and 176 respectively. Written reviews are what separate them: 96% of Know Abacus's written reviews are positive against 78% of Soroban Training's.
Know Abacus ships an update every 2 months, Soroban Training every 2 weeks. The most recent releases landed on July 6, 2026 and September 24, 2026 respectively.
| Parameter | Know Abacus | Soroban Training |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (67 ratings) | 4.7 (176 ratings) |
| Positive reviews | 96.4% of reviews — better | 77.5% of reviews |
| Number of ratings | 67 | 176 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 28 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Kittipong Mungnirun | Jumpei Adachi |
Customer experience
Know Abacus
Soroban Training
In-app purchases
Know Abacus
- Remove Ads$2.99
Soroban Training
- Remove Ads$2.99
Questions
Is Know Abacus free?
Is Soroban Training free?
Which has better reviews, Know Abacus or Soroban Training?
Do Know Abacus or Soroban Training have ads?
Which is updated more often, Know Abacus or Soroban Training?
Other comparisons
