20以内加减法口算 vs 2Kids识字
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
20以内加减法口算
This app helps children aged 3-7 develop essential mental math skills with addition and subtraction problems up to 20. It uses engaging game-based learning with varying difficulty levels and includes practice and timed test modes.
- Addition and subtraction up to 20
- Mixed operation practice
- Game-based learning
- Multiple difficulty levels
- Practice mode with hints
- Timed test mode
- Voice prompts
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口算在学习数学中有着举足轻重的作用，3-7岁是打好口算基础的重要时期，它将直接影响着学生今后的计算能力。而学前班的小朋友由于年龄小，心理发展还不成熟，因此，在计算练习中出现错误是常有的事，并且用科学的方法提高小朋友的口算能力，因此本应用覆盖了20以内的加法、20以内减法，20以内加减法口算，20以内加减法混合运算，为此，本应用通过游戏方式让孩子在游戏中自己学习，快乐玩游戏，轻松学数学，并且有不同难度哦！ 本应用特别适合小朋友进行幼小衔接和口算加减法相关的练习,有问题可以联系客服微信:gudongtoy 主要功能： *真人语音提示。 *练习模式，不限时间且有答案提示。 *测试模式，有限时间内答对的题越多得分越高。 *有可爱的摇一摇功能哦，让孩子在玩游戏同时爱上学习。 1.5.0 - 更新部分手机及iPad上的显示布局 - 优化成绩统计 - 增加客服联系方式
2Kids识字
This app offers engaging literacy courses and graded picture book reading to help children master basic Chinese characters. It uses fun games and scientific methods to build strong reading habits and improve comprehension, with daily 10-minute sessions designed for efficient learning.
- Fun literacy courses
- Graded picture book reading
- Interactive learning games
- Character root derivation
- Voice recognition for dubbing
- Daily 10-minute sessions
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趣味识字课程 + 分级绘本阅读 = 轻松掌握常用基础汉字 快乐识字，轻松阅读，让孩子养成良好的阅读习惯。 >> 趣味高效的识字游戏软件，孩子主动学，爱学习。 >> 涵盖儿童常用基础汉字，让孩子轻松阅读。 >> 字根衍生识字，高效扩大识字量。 >> 识字和阅读紧密结合，识字效果更牢固，培养和提高孩子的阅读能力。 产品特色介绍 >> 趣味性：每天都有全新的学习故事和识字游戏，让孩子的学习热情持续高涨。 >> 科学性：科学编排，遵循孩子记忆曲线规律，确保学习成果。 >> 高效率：每天10分钟，60天掌握基础汉字，养成阅读习惯。 >> 多样性：认字、组词、组句、描红、巩固练习、绘本阅读，学习方法多种多样。 >> 爱阅读：精编分级阅读，配合辅助阅读工具，让孩子阅读无压力，阅读是最好的识字方式。 >> 趣配音：准确的语音识别，让孩子用所学汉字为绘本配音，提升孩子的成就感。 2Kids产品系列 >> 【2Kids识字】帮助孩子认识基础汉字，培养阅读习惯。 >> 【2Kids学拼音】认识拼音，掌握拼音拼读。 >> 【2Kids数学天天练】涵盖启蒙数学和逻辑思维要点
Screenshots
Verdict
The clearest difference is review sentiment: 20以内加减法口算 at 100% against 2Kids识字's 56%. 20以内加减法口算 also leads on in-app purchases (none vs 5). 2Kids识字's advantage is update cadence (every 2 months vs every 23 months) and rating (4.7 vs 4.3). On price, ratings volume, ads 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. 2Kids识字 sells 5 one-off in-app purchases. 20以内加减法口算 asks for nothing beyond the download.
2Kids识字 holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 56 and 124 respectively. Written reviews complicate that: 100% of 20以内加减法口算's written reviews are positive against 56% of 2Kids识字's, so the app with the better star average is not the one people write more warmly about.
20以内加减法口算 ships an update every 23 months, 2Kids识字 every 2 months. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.
| Parameter | 20以内加减法口算 | 2Kids识字 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (56 ratings) | 4.7 (124 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 55.6% of reviews |
| Number of ratings | 56 | 124 — better |
| Update frequency | Every 23 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 9.3 |
| Further details — not scored | ||
| Size | 42 MB | 487 MB |
| Age rating | 4+ | 4+ |
| Developer | 华 周 | 2Kids |
Customer experience
20以内加减法口算
2Kids识字
In-app purchases
20以内加减法口算
No in-app purchases
2Kids识字
- 解锁全部功能（优惠68）$9.99
- 解锁全部功能（2Kids福利官）$12.99
- 解锁启蒙识字的全部功能$12.99
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- 解锁扩展识字和幼小衔接的全部功能$12.99
- 解锁全部功能$19.99
