# JustReader vs Reader AI

The clearest difference is review sentiment: JustReader at 50% against Reader AI's 0%. JustReader also leads on in-app purchases (none vs 7) and ads (none vs shown). Reader AI's advantage is update cadence (every 5 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Reader AI sells 7 in-app purchases, starting at $6.99 per month. JustReader asks for nothing beyond the download.

JustReader ships an update every 2 weeks, Reader AI every 5 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | JustReader | Reader AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/reader-ai-read-and-learn/id6806736317/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 21 MB | 85 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Oleksii Koshkin](https://appshunter.io/developer/6781187069) | [江 刘](https://appshunter.io/developer/1672554088) |

## What reviewers say

### JustReader

[App page](https://appshunter.io/ios/app/justreader-epub-and-fb2-reader/id6781187067)

A free, native reader for Mac, iPad, and iPhone that supports various file formats. It offers a customizable reading experience with multiple themes, fonts, and scroll options, plus on-device translation and no ads or tracking.

**Highlights:** Supports EPUB, FB2, MOBI, HTML, TXT, RTF, DOC/DOCX, Customizable themes, typefaces, and palettes, Continuous scroll, paged, or two-page spread, On-device translation, Chapter navigation and in-book search, No ads or tracking

**In-app purchases:** none


### Reader AI

[App page](https://appshunter.io/ios/app/reader-ai-read-and-learn/id6806736317)

This AI-powered reader helps you understand books by providing contextual word definitions, sentence explanations, and passage summaries. You can also chat with AI about the content, convert books to audiobooks, and save new vocabulary.

**Highlights:** Contextual word definitions, AI sentence and passage explanations, Book chat with AI, Convert books to audiobooks, Learning notebook for vocabulary, Import various book formats, PDF annotation

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Quarterly | $19.99 | per 3 months |
| Yearly | $69.99 | per year |
| 100 points | $9.99 | one-time |
| No bookshelf limit | $9.99 | one-time |
| 300 points | $29.99 | one-time |
| 1000 points | $89.99 | one-time |


## Frequently asked questions

### Is JustReader free?

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

### Is Reader AI free?

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

### Do JustReader or Reader AI have ads?

Reader AI shows ads; JustReader does not.

### Which is updated more often, JustReader or Reader AI?

JustReader ships an update every 2 weeks, and Reader AI every 5 days. Most recently, JustReader was updated on October 31, 2026 and Reader AI on November 6, 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.*