# Fish Reading vs ReadingUp

The clearest difference is price: Fish Reading at Free against ReadingUp's $1.99. Fish Reading also leads on in-app purchases (none vs 3). ReadingUp's advantage is ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). On device support and iOS requirement there is nothing between them.

Fish Reading is free to download; ReadingUp costs $1.99 up front. ReadingUp sells 3 in-app purchases, starting at $19.99 per month. Fish Reading asks for nothing beyond the download.

Fish Reading ships an update every 3 weeks, ReadingUp every 2 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Fish Reading | ReadingUp |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 179 MB | 69 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [宇 方](https://appshunter.io/developer/1813316739) | [乐祥 胡](https://appshunter.io/developer/1572365721) |

## What reviewers say

### Fish Reading

[App page](https://appshunter.io/ios/app/fish-reading/id6752594482)

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

**In-app purchases:** none


### ReadingUp

[App page](https://appshunter.io/ios/app/readingup/id6757276895)

This app offers a distraction-free e-book reading experience with support for multiple file formats. It features iCloud sync for cross-device progress, customizable reading settings, and tools for organizing notes and highlights. Enjoy a pure reading journey without ads.

**Highlights:** Supports EPUB, TXT, MOBI, WORD, PDF, iCloud sync for cross-device reading, Smart highlighting and note organization, Customizable fonts, backgrounds, and page-turning, Immersive mode for focused reading, Export notes as PDF, TXT, Markdown

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadingUp  Premium - monthly | $19.99 | per month |
| ReadingUp Premium - yearly | $49.99 | per year |
| ReadingUp Premium- lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Fish Reading free?

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

### Is ReadingUp free?

ReadingUp costs $1.99, and also offers in-app purchases.

### Do Fish Reading or ReadingUp have ads?

Fish Reading shows ads; ReadingUp does not.

### Which is updated more often, Fish Reading or ReadingUp?

Fish Reading ships an update every 3 weeks, and ReadingUp every 2 days. Most recently, Fish Reading was updated on October 28, 2026 and ReadingUp on October 28, 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.*