# Readfly vs ReadUp

The clearest difference is review sentiment: Readfly at 83% against ReadUp's 67%. ReadUp's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Readfly sells 3 in-app purchases, starting at $9.99 per month and ReadUp sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Readfly ships an update every 3 weeks, ReadUp every 10 days. The most recent releases landed on June 11, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Readfly | ReadUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/readup-speed-reading-practice/id6504833100/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **83.3% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Freemium | Freemium |
| Size | 115 MB | 43 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ENES CERRAHOGLU](https://appshunter.io/developer/1842658403) | [Mehmet Ozan TUNA](https://appshunter.io/developer/1754012296) |

## What reviewers say

### Readfly

[App page](https://appshunter.io/ios/app/readfly/id6470707328)

Enhance your reading speed and efficiency with scientific techniques. This platform helps you consume more books in less time, making the reading experience accessible and effective.

**Highlights:** Scientific speed reading techniques, Efficient book reading, Accessible reading experience, New generation reading platform

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| 3 Months | $24.99 | per 3 months |
| Annual | $89.99 | per year |


### ReadUp

[App page](https://appshunter.io/ios/app/readup-speed-reading-practice/id6504833100)

Enhance your reading efficiency with proven techniques like RSVP and eye training. This app helps you read faster while maintaining comprehension and focus. Track your progress and personalize your learning path for rapid improvement.

**Highlights:** Rapid Speed Reading Techniques (RSVP, chunking), Personalized Speed Training, Comprehension and Retention Improvement, Focus and Attention Enhancement, Progress Tracking and Analytics, Eye Training Exercises

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $12.99 | per year |
| LT | $17.99 | one-time |


## Frequently asked questions

### Is Readfly free?

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

### Is ReadUp free?

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

### Do Readfly or ReadUp have ads?

Neither Readfly nor ReadUp shows ads.

### Which is updated more often, Readfly or ReadUp?

Readfly ships an update every 3 weeks, and ReadUp every 10 days. Most recently, Readfly was updated on June 11, 2026 and ReadUp on September 13, 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.*