Read Boost vs French21
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Read Boost
This app uses AI to help you read faster and understand more. It offers adjustable reading speeds and tracks your progress to improve focus and comprehension. Ideal for students and professionals seeking a more efficient way to consume information.
- AI-powered text summarization
- Adjustable reading speeds
- Progress tracking
- Optimized focus
- Enhanced comprehension
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Enhanced Speed Reader transforms how you read and learn. With AI-powered text summarization, adjustable reading speeds, and progress tracking, you can optimize your focus and comprehension. Perfect for students, professionals, and anyone looking to read smarter, not harder. Dive into a streamlined reading experience today! The Privacy Url is here: https://speed-read-8a2c4.web.app/privacy.html We use Apple’s standard end user license agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
French21
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Master French in 21 days with French21! Learn French through a structured 21-day course designed for real-world conversations. Practice with speech recognition, track your progress, get advice from a teacher, and learn while driving your car.
Screenshots
Verdict
The clearest difference is in-app purchases: Read Boost at none against French21's 1. French21's advantage is ads (none vs shown) and update cadence (every 5 days vs every 5 months). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. French21 sells 1 one-off in-app purchase. Read Boost asks for nothing beyond the download.
Read Boost ships an update every 5 months, French21 every 5 days. The most recent releases landed on June 6, 2026 and September 16, 2026 respectively.
| Parameter | Read Boost | French21 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 months | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 13 MB | 419 MB |
| Age rating | 4+ | 4+ |
| Developer | Jonathan Goldman | OLE PETTER HAUGEN |
In-app purchases
Read Boost
No in-app purchases
French21
- French21 Pro$19.99
