# X Speed Reader vs Rapidly

The clearest difference is update cadence: X Speed Reader at every 5 days against Rapidly's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. X Speed Reader sells 3 in-app purchases, starting at $2.99 per month and Rapidly sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

X Speed Reader ships an update every 5 days, Rapidly fortnightly. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | X Speed Reader | Rapidly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rapidly-speed-reading/id6758515012/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | — | Freemium |
| Size | 48 MB | 43 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oleksandr Kryzhanovskyi](https://appshunter.io/developer/1755912450) | [BAGL LIMITED](https://appshunter.io/developer/1833752222) |

## What reviewers say

### X Speed Reader

[App page](https://appshunter.io/ios/app/x-speed-reader-rsvp-reader/id6758070169)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $7.99 | per year |
| Lifetime | $14.99 | one-time |


### Rapidly

[App page](https://appshunter.io/ios/app/rapidly-speed-reading/id6758515012)

Enhance your reading speed and focus with this app's RSVP technique. It displays words sequentially, reducing eye movement to help you process articles, PDFs, and EPUBs faster. Track your progress and adjust your reading pace from 100 to over 1200 WPM.

**Highlights:** RSVP reading technique, Import from URL, clipboard, files, Adjustable reading speed (100-1200+ WPM), Automatic chapter detection, Progress tracking, Dark mode, Resume reading

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rapidly Pro | $2.99 | per 7 days |
| Rapidly Pro | $3.99 | per month |
| Rapidly Pro | $14.99 | per year |
| Rapidly Pro | $24.99 | one-time |


## Frequently asked questions

### Is X Speed Reader free?

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

### Is Rapidly free?

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

### Do X Speed Reader or Rapidly have ads?

Neither X Speed Reader nor Rapidly shows ads.

### Which is updated more often, X Speed Reader or Rapidly?

X Speed Reader ships an update every 5 days, and Rapidly fortnightly. Most recently, X Speed Reader was updated on September 18, 2026 and Rapidly on September 8, 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.*