# UMA Abacus vs 三年级英语上册

The clearest difference is in-app purchases: UMA Abacus at none against 三年级英语上册's 1. UMA Abacus also leads on update cadence (every 3 weeks vs every 22 months). 三年级英语上册's advantage is iOS requirement (8.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 三年级英语上册 sells 1 one-off in-app purchase. UMA Abacus asks for nothing beyond the download.

UMA Abacus ships an update every 3 weeks, 三年级英语上册 every 22 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | UMA Abacus | 三年级英语上册 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 22 months |
| Size | 73 MB | 70 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [shuihua zhu](https://appshunter.io/developer/1444836907) | [艳枝 彭](https://appshunter.io/developer/1554425667) |

## What reviewers say

### UMA Abacus

[App page](https://appshunter.io/ios/app/uma-abacus/id1460627418)

**Features:** macOS Compatibility

**In-app purchases:** none


### 三年级英语上册

[App page](https://appshunter.io/ios/app/id1475396545)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁全部的课本内容 | $1.99 | one-time |


## Frequently asked questions

### Is UMA Abacus free?

UMA Abacus is free to download, with no in-app purchases.

### Is 三年级英语上册 free?

三年级英语上册 is free to download, with in-app purchases available.

### Do UMA Abacus or 三年级英语上册 have ads?

Neither UMA Abacus nor 三年级英语上册 shows ads.

### Which is updated more often, UMA Abacus or 三年级英语上册?

UMA Abacus ships an update every 3 weeks, and 三年级英语上册 every 22 months. Most recently, UMA Abacus was updated on October 26, 2026 and 三年级英语上册 on November 3, 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.*
