RedShelf vs The Watch Prep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RedShelf
Access and read your digital textbooks on any device. Highlight text, take notes, create flashcards, and have content read aloud. Your notes and highlights sync across all your devices.
- Access textbooks on any device
- Highlight text and take notes
- Create flashcards from content
- Define unfamiliar words
- Text-to-speech functionality
- Sync notes and highlights across devices
Read full descriptionHide full description
The RedShelf eReader companion app provides access to read and engage with your textbooks located in your RedShelf account on the My Shelf page. Access your textbooks no matter where you go with a unified experience across mobile, tablet, and desktop devices. eReader Features: - Access textbooks on your device for seamless reading - Easily highlight text, take notes, and share with classmates - Create flashcards while reading to test your understanding of the content - Define unfamiliar words quickly and easily - Have text read aloud and select the voice and pace - Sync all of your notes and highlights to your account and across devices App Requirements: - Active RedShelf account - One or more books available in your RedShelf account
The Watch Prep
Read full descriptionHide full description
In-App Purchases $49.99 is one-time for that exam list / year (example: Sergeant 2024). It does not include a future year’s list. Lieutenant is free until that list is marked paid. • Sergeant pack — $49.99 • Detective pack — $49.99 • Lieutenant pack — $49.99 when that list is paid
Screenshots
Verdict
The clearest difference is in-app purchases: RedShelf at none against The Watch Prep's 2. The Watch Prep's advantage is update cadence (every 2 days vs every 5 weeks). On price, ads, 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. The Watch Prep sells 2 one-off in-app purchases. RedShelf asks for nothing beyond the download.
RedShelf ships an update every 5 weeks, The Watch Prep every 2 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | RedShelf | The Watch Prep |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (7.1K ratings) — better | — |
| Positive reviews | 3.1% of reviews | — |
| Number of ratings | 7.1K — better | — |
| Update frequency | Every 5 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 26 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | RedShelf | GREG WILLIAM KRAFT |
Bugs and requests
RedShelf
Reported bugs
3 issues- Books not loading or showing blank screens
- Highlighting issues (selecting wrong text, unable to edit)
- Sync issues between devices and web version
Requested features
4 requests- Improve highlighting and annotation tools
- Add support for split-screen mode
- Enhance text-to-speech capabilities
- Allow offline access to downloaded books
The Watch Prep
Not enough reviews yet to summarise bugs or requests.
In-app purchases
RedShelf
No in-app purchases
The Watch Prep
- Sergeant Pack$49.99
- Detective Pack$49.99
Questions
Is RedShelf free?
Is The Watch Prep free?
Do RedShelf or The Watch Prep have ads?
Which is updated more often, RedShelf or The Watch Prep?
Other comparisons
