Smart Abacus vs Three Sided Flashcards
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.
Three Sided Flashcards
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Three Sided Flashcards helps you study complex concepts that cannot be captured effectively with traditional two-sided flashcards. Create flashcards with three connected sides to learn information that has more than just a question and an answer: No matter if you want to study scientific, medical, or legal concepts with multiple elements to remember, or Chinese characters together with their reading and meaning - Three Sided got you covered. Choose exactly what goes on each side and create flashcards that match the structure of what you are learning. Import flashcards from Excel or CSV files to create large card sets quickly and easily. Designed for focused, flexible study without distractions or unnecessary features, Three Sided Flashcards makes it easier to understand and remember complex information.
Screenshots
Verdict
The clearest difference is iOS requirement: Smart Abacus at 16.4 against Three Sided Flashcards's 26.1. 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Smart Abacus | Three Sided Flashcards |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 26.1 |
| Further details — not scored | ||
| Size | 50 MB | 4 MB |
| Age rating | 4+ | 9+ |
| Developer | ZerwOne Network, LLC | Sven Langsdorf |
In-app purchases
Smart Abacus
No in-app purchases
Three Sided Flashcards
No in-app purchases
Questions
Is Smart Abacus free?
Is Three Sided Flashcards free?
Do Smart Abacus or Three Sided Flashcards have ads?
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