# 1st Grade Math Fun vs 20以内加减法口算

The clearest difference is rating: 1st Grade Math Fun at 5.0 against 20以内加减法口算's 4.3. 1st Grade Math Fun also leads on update cadence (every 2 months vs every 23 months). 20以内加减法口算's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 1st Grade Math Fun sells 1 one-off in-app purchase. 20以内加减法口算 asks for nothing beyond the download.

1st Grade Math Fun holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: 20以内加减法口算 has 56 ratings behind it against 10, so its average is the more settled of the two.

1st Grade Math Fun ships an update every 2 months, 20以内加减法口算 every 23 months. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 1st Grade Math Fun | 20以内加减法口算 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/1st-grade-math-fun/id804738655/reviews)** | [4.3 (56 ratings)](https://appshunter.io/ios/app/20/id1087409662/reviews) |
| Number of ratings | 10 | **56** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 23 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 42 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [向军 贾](https://appshunter.io/developer/788691093) | [华 周](https://appshunter.io/developer/569428357) |

## What reviewers say

### 1st Grade Math Fun

[App page](https://appshunter.io/ios/app/1st-grade-math-fun/id804738655)

This app offers engaging math games designed for elementary school students to practice mental arithmetic. It focuses on addition and subtraction problems with numbers less than 100, making learning fun and accessible.

**Highlights:** Mental mathematics practice, Addition and subtraction games, Numbers under 100, Suitable for elementary students, Engaging learning experience

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock function and off AD | $3.99 | one-time |


### 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 1st Grade Math Fun free?

1st Grade Math Fun 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, 1st Grade Math Fun or 20以内加减法口算?

1st Grade Math Fun is rated higher. 1st Grade Math Fun averages 5.0 out of 5 from 10 ratings, while 20以内加减法口算 averages 4.3 from 56 ratings.

### Do 1st Grade Math Fun or 20以内加减法口算 have ads?

1st Grade Math Fun shows ads; 20以内加减法口算 does not.

### Which is updated more often, 1st Grade Math Fun or 20以内加减法口算?

1st Grade Math Fun ships an update every 2 months, and 20以内加减法口算 every 23 months. Most recently, 1st Grade Math Fun was updated on October 1, 2026 and 20以内加减法口算 on September 28, 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.*