20以内加减法口算 vs 数感星球
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
数感星球
This app uses AI and gamified lessons to help children aged 3-10 develop number sense and improve their calculation skills. It offers a structured 16-level training system and visual learning experiences to make math concepts easier to understand and practice.
- AI-powered personalized training
- Gamified calculation exercises
- 16-level progressive learning system
- Visual and interactive math concepts
- Data-driven learning reports
- CPA teaching methodology
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【产品介绍】 数感星球，专为孩子打造的“数感培养专家”，采用“CPA教学法+教具”模式，将新加坡CPA教学法与动手实践结合，紧扣新课改核心考点。通过线上300+教具互动，搭配16级进阶体系及三大升级——开口讲算理、AI智能伴学、高效多维练，帮助孩子高效理解数学原理，让孩子真正爱上数感，实现数学轻松领先！ 【产品特色】 （1）CPA教学法+开口讲——动手又动口，理解才算透 • 基于新加坡CPA教学法，独家真教具动手操作，直观理解底层原理 • 「开口讲」板块，费曼学习法实现逻辑化表达，真正理解数学概念 （2）AI智能伴学——全程智能导航，学习有方向 • 儿童专属大模型全程陪伴，学前启发引导、学中即时反馈、学后智能总结。 • AI智能分析薄弱点，个性化题库，查漏补缺更精准 （3）可视化+多维练——紧扣新课标，稳步进阶 • 数轴、十格阵等可视化教具，还原新课标核心考点，科学培养数感 • 新增160+训练课次，从基础到巧算全面覆盖计算能力 （4）16级数感进阶+家长减负——进步看得见，督学更轻松 • 科学系统的学习路径，因材施教，实时数据报告同步家长，进度一目了然 • 做无忧家长，轻松掌握孩子能力变化，见证数感蜕变 立即更新，体验全新数感星球！
Screenshots
Verdict
The clearest difference is in-app purchases: 20以内加减法口算 at none against 数感星球's 24. 20以内加减法口算 also leads on iOS requirement (9.0 vs 13.0). 数感星球's advantage is update cadence (fortnightly vs every 23 months) and rating (4.5 vs 4.3). On price, review sentiment, ratings volume and ads 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. 数感星球 sells 23 one-off in-app purchases. 20以内加减法口算 asks for nothing beyond the download.
数感星球 holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 56 and 71 respectively. Written reviews complicate that: 100% of 20以内加减法口算's written reviews are positive against 92% of 数感星球'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, 数感星球 fortnightly. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.
| Parameter | 20以内加减法口算 | 数感星球 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (56 ratings) | 4.5 (71 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 92.2% of reviews |
| Number of ratings | 56 | 71 — better |
| Update frequency | Every 23 months | Fortnightly — 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 | 13.0 |
| Further details — not scored | ||
| Size | 42 MB | 463 MB |
| Age rating | 4+ | 4+ |
| Developer | 华 周 | Ahaaa Education Technology Co., Ltd. |
Customer experience
20以内加减法口算
数感星球
In-app purchases
20以内加减法口算
No in-app purchases
数感星球
- 方向位置 - 专题训练$9.99
- 观察与推理专项训练包$9.99
- 6个月会员$39.99
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- 续费专享优惠$39.99
- VIP年卡会员-续费专属套餐$39.99
- 数感星球-续费专属$39.99
- 数感星球-一年会员赠送120天优惠价328赠货币达人$49.99
- 数感星球-一年会员赠送180天优惠价328赠数游记+货币达人$49.99
- 数感星球-一年会员赠送120天+数游记+货币达人优惠价328$49.99
- 数感星球-1年会员2 variants$49.99
- 数感星球-1年会员（买1年送3个月）$49.99
- 数感星球-1年会员（ 续费用户专享）$49.99
- 数感星球-1年会员（加赠120天）$49.99
- 活动特惠-买1年赠90天$49.99
- 老用户专享（赠300天）$49.99
- 1年会员折扣价$49.99
- 数感星球-1年会员（买1年送2个月）$49.99
- 活动特惠(加赠300天）$49.99
- 活动特惠-买1年赠180天$49.99
- 活动优惠$49.99
- 双十一活动（买1年送1年）$59.99
- 数感星球-1年会员（买1年送1年）$59.99
- 数感星球-1年会员（送1年+3个专项训练课程）$59.99
