UCMAS CY GR vs Abaco
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UCMAS CY GR
This educational tool allows users to customize flashcard sessions for learning. Set the number of cards, digits per card, and adjust the flash speed for personalized practice. Ideal for improving mental math and memory skills.
- Customizable flashcard quantity
- Adjustable number of digits
- Configurable flash speed
- Mental math practice
- Memory skill enhancement
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Set how many Flash Cards you want to see, set the number of digits and the flash speed.
Abaco
This app offers a comprehensive mental math training experience, allowing users to practice addition, subtraction, multiplication, and division. It features customizable difficulty, speed, and problem types, making it ideal for competition preparation and general brain training.
- Addition/Subtraction practice
- Multiplication/Division practice
- Adjustable difficulty
- Customizable speed and problem settings
- Multi-language support
- Preset saving and loading
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Abacus Flash Mental Math Training The best flash mental math app to improve your calculation skills anytime, anywhere! Start practicing immediately with default settings or customize everything to your preference. Ideal for mental math competition prep, brain training, and improving math skills. A proven app experienced by over 20,000 users! Key Features: Two Practice Modes • Addition/Subtraction Mode: Step-by-step addition and subtraction practice • Multiplication/Division Mode: Systematic multiplication and division mental training Designed for Abacus Mental Math • Built-in difficulty adjustment algorithm prevents problems from becoming too easy • Subtraction problems are designed so answers never go negative • Division problems always result in whole numbers • Optimized for flash training, similar to abacus competition programs Convenient Customization • Addition/Subtraction Mode: 1-8 digits, 2-200 problems • Multiplication/Division Mode: 1-8 digits × 1-8 digits • Speed control (0.1s-30s) • Custom theme color support • Presets: save and load your favorite settings instantly Multi-language Support • 40+ languages: English, Korean, Japanese, Chinese, Spanish, German, French, and more • Intuitive interface for all languages Recommended for: • Teachers running abacus/mental math schools • Students learning abacus/mental math • Adults seeking brain training • All ages wanting to improve math skills • Those wanting to develop concentration and calculation abilities Experience amazing improvement in mental math skills with just a few minutes of practice daily! With your permission, install and usage events and an app-instance ID are sent to Google Analytics to measure app use and ad performance. No advertising ID or personalized ads. Optional; change this anytime in App Info.
Screenshots
Verdict
The clearest difference is price: UCMAS CY GR at Free against Abaco's $2.99. UCMAS CY GR also leads on ratings volume (7 vs 1). Abaco's advantage is rating (5.0 vs 4.3) and update cadence (weekly vs every 5 weeks). On ads and in-app purchases 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
UCMAS CY GR is free to download; Abaco costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Abaco holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: UCMAS CY GR has 7 ratings behind it against 1, so its average is the more settled of the two.
UCMAS CY GR ships an update every 5 weeks, Abaco weekly. The most recent releases landed on October 20, 2026 and October 30, 2026 respectively.
| Parameter | UCMAS CY GR | Abaco |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.3 (7 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Stavros Charalambous | Jiwon Park |
Customer experience
UCMAS CY GR
Abaco
In-app purchases
UCMAS CY GR
No in-app purchases
Abaco
No in-app purchases









