# 10以内加减法口算 vs 2Kids识字

The clearest difference is review sentiment: 10以内加减法口算 at 91% against 2Kids识字's 56%. 10以内加减法口算 also leads on in-app purchases (none vs 3). 2Kids识字's advantage is update cadence (every 2 months vs every 22 months) and rating (4.7 vs 4.5). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. 2Kids识字 sells 3 one-off in-app purchases. 10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 4.5. Both are backed by a comparable volume of ratings — 71 and 124 respectively. Written reviews complicate that: 91% of 10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.

10以内加减法口算 ships an update every 22 months, 2Kids识字 every 2 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | 10以内加减法口算 | 2Kids识字 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (71 ratings)](https://appshunter.io/ios/app/10/id1087409112/reviews) | **[4.7 (124 ratings)](https://appshunter.io/ios/app/2kids/id1229531306/reviews)** |
| Number of ratings | 71 | **124** |
| Positive reviews | **90.9% of reviews** | 55.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 42 MB | 487 MB |
| Requires iOS | **9.0** | 9.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [华 周](https://appshunter.io/developer/569428357) | [2Kids](https://appshunter.io/developer/1217081555) |

## What reviewers say

### 10以内加减法口算

[App page](https://appshunter.io/ios/app/10/id1087409112)

This educational app uses a game-based approach to teach basic addition and subtraction within 10, including mixed operations. It offers practice and test modes with voice prompts and a fun shake feature to engage young learners.

**Highlights:** Addition and subtraction within 10, Mixed operations practice, Game-based learning, Practice and test modes, Real voice prompts, Shake to play feature

**Features:** macOS Compatibility

**In-app purchases:** none


### 2Kids识字

[App page](https://appshunter.io/ios/app/2kids/id1229531306)

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.

**Highlights:** Fun literacy courses, Graded picture book reading, Interactive learning games, Character root derivation, Voice recognition for dubbing, Daily 10-minute sessions

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁启蒙识字的全部功能 | $12.99 | one-time |
| 解锁扩展识字和幼小衔接的全部功能 | $12.99 | one-time |
| 解锁全部功能 | $19.99 | one-time |


## Frequently asked questions

### Is 10以内加减法口算 free?

10以内加减法口算 is free to download, with no in-app purchases.

### Is 2Kids识字 free?

2Kids识字 is free to download, with in-app purchases available.

### Which has better reviews, 10以内加减法口算 or 2Kids识字?

2Kids识字 is rated higher. 10以内加减法口算 averages 4.5 out of 5 from 71 ratings, while 2Kids识字 averages 4.7 from 124 ratings.

### Do 10以内加减法口算 or 2Kids识字 have ads?

Neither 10以内加减法口算 nor 2Kids识字 shows ads.

### Which is updated more often, 10以内加减法口算 or 2Kids识字?

10以内加减法口算 ships an update every 22 months, and 2Kids识字 every 2 months. Most recently, 10以内加减法口算 was updated on November 2, 2026 and 2Kids识字 on November 2, 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.*