Smart Abacus vs Real Soroban
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Abacus
Master mental math using the Japanese Soroban method with interactive practice and structured lessons. Improve speed, focus, and accuracy through gamified milestones and progress tracking.
- Digital Soroban with realistic bead movement
- Step-by-step learning paths
- Flash Tests for speed and accuracy
- Voice dictation for training
- Progress tracking and insights
- Gamified milestones and achievements
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Smart Abacus helps learners build real mental-math skill with the Japanese Soroban method through interactive practice and structured progression.What you can do: • Practice on a responsive digital Soroban with realistic bead movement • Learn step by step with Foundation, Friends of 5, and Friends of 10 paths • Run Flash Tests to improve speed, focus, and accuracy • Use voice dictation (Arabic/English) for classroom-style training • Track progress with XP, streaks, history logs, and performance insights • Unlock achievements and stay motivated with gamified milestones • Switch between Arabic and English with full RTL supportDesigned for students, parents, teachers, and anyone who wants stronger arithmetic and concentration.Premium Smart Abacus includes premium features for advanced training modes and expanded practice limits. When promotional free-access windows are active, premium content may be temporarily available to all users.
Real Soroban
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Experience the art of Japanese calculation with the most realistic soroban (abacus) simulator. Real Soroban brings a traditional 13-rod soroban to your iPhone with stunning realism: - REALISTIC PHYSICS Tilt your device and watch beads respond to gravity, just like a real soroban. The gyroscope-powered physics make every interaction feel natural and satisfying. - AUTHENTIC SOUND Every bead click is crafted to sound like real wooden beads striking the reckoning bar. - BEAUTIFUL DESIGN Warm wood tones, diamond-shaped beads, and traditional dot markers create an authentic soroban experience. - DIGITAL DISPLAY A built-in calculator display shows the current value, perfect for learning and verification. - SIMPLE & INTUITIVE Tap or slide beads to move them. No complicated menus — just a beautiful, functional soroban.
Screenshots
Verdict
Smart Abacus and Real Soroban are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
Smart Abacus ships an update every 11 days, Real Soroban fortnightly. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.
| Parameter | Smart Abacus | Real Soroban |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 11 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | ZerwOne Network, LLC | satoshi amasaki |
In-app purchases
Smart Abacus
No in-app purchases
Real Soroban
No in-app purchases









