Dart vs X Speed Reader
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Dart
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Dart is a speed reading app that uses RSVP (Rapid Serial Visual Presentation) to help you read faster while maintaining comprehension. Features: ā¢ Practice Mode: Paste any text and train at your own pace ā¢ Challenge Mode: Compete with viral speed reading challenges ā¢ Customizable WPM: Adjust reading speed from 100 to 1000+ words per minute ā¢ ORP Alignment: Optimal Recognition Point keeps your eyes steady ā¢ Progress Tracking: Monitor your reading speed improvements ā¢ Local Storage: All your texts and sessions save locally on your device Perfect for students, professionals, and anyone looking to practice reading speed. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://dartreader.com/privacy
X Speed Reader
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X Speed Reader helps you get through X articles faster using RSVP (Rapid Serial Visual Presentation): words appear one-by-one at your chosen speed, so you can focus on comprehension with fewer distractions. Features ā¢ Read X articles with the best RSVP reader ā¢ ORP highlight ā¢ Reading history ā¢ Continue reading where you left off ā¢ 200-1000 WPM reading speed Reading full articles require paid premium subscription. Terms of Use: https://sad-team.notion.site/Terms-of-Use-2efad671ba82815792b1db4ee74c2821
Screenshots
Verdict
The clearest difference is update cadence: Dart at daily against X Speed Reader's every 5 days. X Speed Reader's advantage is iOS requirement (15.1 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Dart sells 2 in-app purchases, starting at $3.99 per 7 days and X Speed Reader sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Dart ships an update daily, X Speed Reader every 5 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | Dart | X Speed Reader |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily ā better | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.2 | 15.1 ā better |
| Further details ā not scored | ||
| Size | 10 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Two Mustard Bytes | Oleksandr Kryzhanovskyi |
In-app purchases
Dart
- Dart - Weekly Subscription$3.997 Days
- Dart - Yearly Subscription7 Days trial$39.991 Year
X Speed Reader
- Monthly Premium3 Days trial$2.991 Month
- Yearly Premium7 Days trial$7.991 Year
- Lifetime$14.99
