Mental Math Cards vs 数独天天练
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mental Math Cards
Generate printable A4 charts for practicing mental arithmetic. This app offers a comprehensive math question bank designed for elementary school students to improve their oral arithmetic skills.
- Printable A4 charts
- Mental arithmetic exercises
- Comprehensive math question bank
- Oral arithmetic practice
- Suitable for elementary students
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Challenges and Exercises for Math Mental Arithmetic. multiplication tables and division, Addition subtraction multiplication division mixed operations, Hundred digit addition subtraction.
数独天天练
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【游戏特色】 没有广告,海量关卡全部免费,多种难度、多个主题皮肤供您选择。 包括四宫格、六宫格、九宫格数独,循序渐进的难度帮助您提升思维能力。 智能提示、笔记、数据统计等功能,增加您解题的乐趣。 赶快点击下载,一起来体验数独游戏的魅力!
Screenshots
Verdict
The clearest difference is ads: 数独天天练 at none against Mental Math Cards's shown. Mental Math Cards's advantage is update cadence (every 4 months vs every 28 months). On price, in-app purchases, device support and iOS requirement 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. Mental Math Cards sells 1 one-off in-app purchase and 数独天天练 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Mental Math Cards ships an update every 4 months, 数独天天练 every 28 months. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.
| Parameter | Mental Math Cards | 数独天天练 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 4 months — better | Every 28 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 134 MB |
| Age rating | 4+ | 4+ |
| Developer | 向军 贾 | Kunming Jianet Technology Co., Ltd. |
In-app purchases
Mental Math Cards
- Unlock function and off AD$3.99
数独天天练
- 60个金币$0.99
- 6元解锁全部数独教程$0.99
- 180个金币$1.99
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- 360个金币$2.99








