# 20以内加减法口算 vs 口算练习与试题打印

The clearest difference is rating: 口算练习与试题打印 at 5.0 against 20以内加减法口算's 4.3. 口算练习与试题打印 also leads on update cadence (every 2 months vs every 23 months). 20以内加减法口算's advantage is review sentiment (100% vs 91%) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

口算练习与试题打印 holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 56 and 32 respectively. Written reviews complicate that: 100% of 20以内加减法口算's written reviews are positive against 91% of 口算练习与试题打印'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, 口算练习与试题打印 every 2 months. The most recent releases landed on October 14, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 20以内加减法口算 | 口算练习与试题打印 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (56 ratings)](https://appshunter.io/ios/app/20/id1087409662/reviews) | **[5.0 (32 ratings)](https://appshunter.io/ios/app/id1464626631/reviews)** |
| Number of ratings | **56** | 32 |
| Positive reviews | **100.0% of reviews** | 90.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 42 MB | 25 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [华 周](https://appshunter.io/developer/569428357) | [馨杭 虞](https://appshunter.io/developer/510327525) |

## What reviewers say

### 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


### 口算练习与试题打印

[App page](https://appshunter.io/ios/app/id1464626631)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is 口算练习与试题打印 free?

口算练习与试题打印 is free to download, with no in-app purchases.

### Which has better reviews, 20以内加减法口算 or 口算练习与试题打印?

口算练习与试题打印 is rated higher. 20以内加减法口算 averages 4.3 out of 5 from 56 ratings, while 口算练习与试题打印 averages 5.0 from 32 ratings.

### Do 20以内加减法口算 or 口算练习与试题打印 have ads?

Neither 20以内加减法口算 nor 口算练习与试题打印 shows ads.

### Which is updated more often, 20以内加减法口算 or 口算练习与试题打印?

20以内加减法口算 ships an update every 23 months, and 口算练习与试题打印 every 2 months. Most recently, 20以内加减法口算 was updated on October 14, 2026 and 口算练习与试题打印 on October 21, 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.*