50以内加减法口算 vs Speed calculation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
50以内加减法口算
This app helps children aged 3-7 develop essential mental math skills within 50. It offers engaging game-based learning for addition, subtraction, and mixed operations, with adjustable difficulty levels and helpful hints.
- Mental math practice within 50
- Addition and subtraction exercises
- Mixed operation calculations
- Game-based learning
- Adjustable difficulty levels
- Real voice prompts
- Practice and test modes
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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50以内的加法、50以内减法，50以内加减法口算，50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！ 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。 1.2.0 - 修复某些手机上界面错误的问题 - 优化界面布局 - 优化配音设置 - 增加客服联系微信
Speed calculation
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Speed Calc is a simple mental arithmetic trainer for building speed and accuracy. Choose addition, subtraction, multiplication, or division, set the number range and question count, then start practicing with a focused keypad interface. The app tracks your time, mistakes, daily best, and personal best so you can see your progress over time. Features: Addition, subtraction, multiplication, and division practice Adjustable number range, difficulty, and question count Timer with daily best and personal best records Calendar-based practice history Multiple theme colors Optional sound feedback Remove ads with a one-time purchase Speed Calc is designed for short daily practice sessions and focused arithmetic training.
Screenshots
Verdict
The clearest difference is in-app purchases: 50以内加减法口算 at none against Speed calculation's 1. 50以内加减法口算 also leads on ads (none vs shown) and iOS requirement (11.0 vs 16.0). Speed calculation's advantage is update cadence (every 5 months vs every 22 months). On price 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. Speed calculation sells 1 one-off in-app purchase. 50以内加减法口算 asks for nothing beyond the download.
50以内加减法口算 ships an update every 22 months, Speed calculation every 5 months. The most recent releases landed on September 29, 2026 and September 20, 2026 respectively.
| Parameter | 50以内加减法口算 | Speed calculation |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 22 months | Every 5 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 27 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 华 周 | 宏斌 樊 |
In-app purchases
50以内加减法口算
No in-app purchases
Speed calculation
- Remove ads.$3.99
Questions
Is 50以内加减法口算 free?
Is Speed calculation free?
Do 50以内加减法口算 or Speed calculation have ads?
Which is updated more often, 50以内加减法口算 or Speed calculation?
Other comparisons
