# Duoler vs StoryReader

The clearest difference is in-app purchases: StoryReader at none against Duoler's 2. StoryReader also leads on update cadence (every 5 weeks vs every 3 months) and device support (3 vs 1). Duoler's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Duoler sells 2 in-app purchases, starting at $2.99 per month. StoryReader asks for nothing beyond the download.

Duoler ships an update every 3 months, StoryReader every 5 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Duoler | StoryReader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 642 MB | 87 MB |
| Requires iOS | 18.1 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [翠涓 徐](https://appshunter.io/developer/1817823992) | [Thanh Truong](https://appshunter.io/developer/1877435504) |

## What reviewers say

### Duoler

[App page](https://appshunter.io/ios/app/duoler/id6756180237)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Annual Subscription | $24.99 | per year |


### StoryReader

[App page](https://appshunter.io/ios/app/storyreader-learn-english/id6760248593)

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

**In-app purchases:** none


## Frequently asked questions

### Is Duoler free?

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

### Is StoryReader free?

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

### Do Duoler or StoryReader have ads?

StoryReader shows ads; Duoler does not.

### Which is updated more often, Duoler or StoryReader?

Duoler ships an update every 3 months, and StoryReader every 5 weeks. Most recently, Duoler was updated on October 30, 2026 and StoryReader on November 5, 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.*