# 小丁同学 vs 三年级下册

The clearest difference is update cadence: 小丁同学 at fortnightly against 三年级下册's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 小丁同学 sells 5 one-off in-app purchases and 三年级下册 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

小丁同学 ships an update fortnightly, 三年级下册 every 3 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 小丁同学 | 三年级下册 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pep2021/id1562996710/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | — | Free |
| Size | 22 MB | 10 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Yida Electronic Technology Co., Ltd.](https://appshunter.io/developer/1517744915) | [宇 郑](https://appshunter.io/developer/983597538) |

## What reviewers say

### 小丁同学

[App page](https://appshunter.io/ios/app/app/id1517745066)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2500学习币 | $3.99 | one-time |
| 5000学习币赠530学习币 | $6.99 | one-time |
| 10800学习币赠1200学习币 | $14.99 | one-time |
| 32800学习币赠4100学习币 | $49.99 | one-time |
| 64800学习币赠8700学习币 | $99.99 | one-time |


### 三年级下册

[App page](https://appshunter.io/ios/app/pep2021/id1562996710)

This app provides synchronized audio lessons for a third-grade English textbook. It features high-quality sound, adjustable speech speed, and a simple interface for easy navigation and interactive learning. Students can practice pronunciation by tapping on words or sentences, with options for repeating phrases or entire pages.

**Highlights:** High-quality audio playback, Interactive word and sentence tapping, Adjustable speech speed, Follow-reading practice with customizable intervals, Multiple playback modes (sentence, page, unit), Lock screen playback support, Optional Chinese translation display

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小学英语人教版(PEP)全套课程 | $1.99 | one-time |


## Frequently asked questions

### Is 小丁同学 free?

小丁同学 is free to download, with in-app purchases available.

### Is 三年级下册 free?

三年级下册 is free to download, with in-app purchases available.

### Do 小丁同学 or 三年级下册 have ads?

Neither 小丁同学 nor 三年级下册 shows ads.

### Which is updated more often, 小丁同学 or 三年级下册?

小丁同学 ships an update fortnightly, and 三年级下册 every 3 months. Most recently, 小丁同学 was updated on October 14, 2026 and 三年级下册 on October 7, 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.*