# HeyReader vs Yidou Words

The clearest difference is iOS requirement: Yidou Words at 15.6 against HeyReader's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. HeyReader sells 2 in-app purchases, starting at $4.99 per month and Yidou Words sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

HeyReader ships an update every 3 days, Yidou Words every 4 days. The most recent releases landed on September 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | HeyReader | Yidou Words |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/heyreader-learn-languages/id6757210312/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free | — |
| Size | 13 MB | 208 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shandong Linhu Cultural Development Co., Ltd.](https://appshunter.io/developer/1845287380) | [艳 常](https://appshunter.io/developer/1882109633) |

## What reviewers say

### HeyReader

[App page](https://appshunter.io/ios/app/heyreader-learn-languages/id6757210312)

Learn languages by reading real-world content. Subscribe to RSS feeds or import your own eBooks to practice vocabulary, understand complex sentences, and translate as you read. Enjoy a distraction-free, customizable reading experience.

**Highlights:** RSS feed subscriptions, Import PDF & EPUB books, Vocabulary highlighting & saving, Smart sentence splitting, Sentence & paragraph translation, Adjustable fonts & night mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeyReader Pro | $4.99 | per month |
| HeyReader Pro Max | $9.99 | per month |


### Yidou Words

[App page](https://appshunter.io/ios/app/yidou-words/id6759995415)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一兜英语 Pro | $0.99 | per month |
| 一兜英语Pro永久版 | $4.99 | one-time |


## Frequently asked questions

### Is HeyReader free?

HeyReader is free to download, with in-app purchases available.

### Is Yidou Words free?

Yidou Words is free to download, with in-app purchases available.

### Do HeyReader or Yidou Words have ads?

Neither HeyReader nor Yidou Words shows ads.

### Which is updated more often, HeyReader or Yidou Words?

HeyReader ships an update every 3 days, and Yidou Words every 4 days. Most recently, HeyReader was updated on September 14, 2026 and Yidou Words on September 18, 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.*