# 数学启蒙 vs 20以内加减法口算

The clearest difference is review sentiment: 20以内加减法口算 at 100% against 数学启蒙's 50%. 20以内加减法口算 also leads on in-app purchases (none vs 3) and ads (none vs shown). 数学启蒙's advantage is update cadence (every 6 weeks vs every 23 months). On price and device support there is nothing between them.

Both are free to download. 数学启蒙 sells 3 in-app purchases, starting at $6.99 per 7 days. 20以内加减法口算 asks for nothing beyond the download.

20以内加减法口算 holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: 20以内加减法口算 has 56 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 50% of 数学启蒙's written reviews are positive against 100% of 20以内加减法口算's.

数学启蒙 ships an update every 6 weeks, 20以内加减法口算 every 23 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | 数学启蒙 | 20以内加减法口算 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (5 ratings)](https://appshunter.io/ios/app/id946788272/reviews) | **[4.3 (56 ratings)](https://appshunter.io/ios/app/20/id1087409662/reviews)** |
| Number of ratings | 5 | **56** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 23 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 71 MB | 42 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [勇 张](https://appshunter.io/developer/660224883) | [华 周](https://appshunter.io/developer/569428357) |

## What reviewers say

### 数学启蒙

[App page](https://appshunter.io/ios/app/id946788272)

This app offers a comprehensive and free math learning experience for children aged 2-10. It features over 100 engaging games across 8 fairytale-themed scenarios, covering numbers, shapes, addition, subtraction, and more. A card reward system encourages continued learning.

**Highlights:** 100+ math games, 8 fairytale learning scenarios, Covers numbers, shapes, arithmetic, Card reward system, Multi-sensory learning experience, Suitable for ages 2-10

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一星期VIP会员 | $6.99 | per 7 days |
| 数学启蒙月度VIP会员 | $10.99 | per month |
| 数学启蒙年度VIP会员 | $26.99 | per year |


### 20以内加减法口算

[App page](https://appshunter.io/ios/app/20/id1087409662)

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.

**Highlights:** Addition and subtraction up to 20, Mixed operation practice, Game-based learning, Multiple difficulty levels, Practice mode with hints, Timed test mode, Voice prompts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 数学启蒙 free?

数学启蒙 is free to download, with in-app purchases available.

### Is 20以内加减法口算 free?

20以内加减法口算 is free to download, with no in-app purchases.

### Which has better reviews, 数学启蒙 or 20以内加减法口算?

20以内加减法口算 is rated higher. 数学启蒙 averages 4.0 out of 5 from 5 ratings, while 20以内加减法口算 averages 4.3 from 56 ratings.

### Do 数学启蒙 or 20以内加减法口算 have ads?

数学启蒙 shows ads; 20以内加减法口算 does not.

### Which is updated more often, 数学启蒙 or 20以内加减法口算?

数学启蒙 ships an update every 6 weeks, and 20以内加减法口算 every 23 months. Most recently, 数学启蒙 was updated on October 24, 2026 and 20以内加减法口算 on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*