CRB vs Zoundy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CRB
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CRB-eBooks is a reading app that allows selected standard CRB documents and tools to be viewed as e-books. These e-books combine the benefits of a printed publication with the possibilities offered by digital applications. In other words, the e-books are accessible at all times from any location via smartphone, tablet, or PC browser while offering high contemporary user comfort through efficient search functions and provision for storing notes, links, pictures and moving images.
Zoundy
Access a library of free audiobooks and discover new authors. Enjoy exclusive content through a leading mobile application designed for audiobook listeners.
- Free audiobooks
- Discover new authors
- Exclusive content
- Mobile app access
- Industry-leading platform
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Discover new Authors & Enjoy FREE audiobooks Zoundy listeners can access FREE audiobooks, find new authors, and enjoy exclusive content in our industry-leading mobile apps.
Screenshots
Verdict
The clearest difference is iOS requirement: Zoundy at 13.0 against CRB's 16.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.
| Parameter | CRB | Zoundy |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 37 MB |
| Age rating | 4+ | 12+ |
| Developer | SilkCode GmbH | Blisstech, Inc. |
In-app purchases
CRB
No in-app purchases
Zoundy
No in-app purchases
Questions
Is CRB free?
Is Zoundy free?
Do CRB or Zoundy have ads?
Which is updated more often, CRB or Zoundy?
Other comparisons
