Minha Biblioteca vs Duda
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Minha Biblioteca
Access and read your downloaded books offline on your iOS device. This app allows for note-taking, highlighting, and searching within texts, with a reading aloud feature. Sync your progress and annotations across devices and web platforms.
- Download books for offline reading
- Create notes and highlights
- Search within books
- Read aloud functionality
- Cross-device sync
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Use the Minha Biblioteca app to download and access books from My Library on iPad, iPhone, or iPod Touch. Read your books offline and create notes and highlights to help with your studies. Key Features: - Download books on your device to read offline. - Simple navigation and user-friendly interface. - Search within your book for terms or phrases. - Select text and create notes and highlights. - Use reading aloud to listen to your books. - Sync your bookmarks, current reading position, and all your notes and highlights between your iOS app, desktop, and Minha Biblioteca websites.
Duda
This app guides students through their academic and professional journeys. It helps manage academic life and explore career options, keeping users informed and organized.
- Academic life management
- Career exploration
- Personalized educational partner
- Information and organization
- Goal achievement support
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Desenvolvido para facilitar a vida dos estudantes e orientar quem ainda está explorando suas opções, o App Duda oferece recursos projetados para simplificar sua jornada educacional e profissional. Mais do que um aplicativo! O App Duda é seu parceiro educacional pessoal, auxiliando na gestão de sua vida acadêmica e na escolha do seu futuro, garantindo que você se mantenha informado, organizado e no caminho certo para alcançar seus objetivos. Seja você um estudante ou alguém em busca de uma nova carreira, faça o download do App Duda agora mesmo e tenha o poder da educação na palma da sua mão!"
Screenshots
Verdict
The clearest difference is update cadence: Duda at every 10 days against Minha Biblioteca's every 3 months. Duda also leads on ratings volume (104 vs 17) and iOS requirement (15.0 vs 17.6). On price, rating, review sentiment and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Minha Biblioteca against 4.9 for Duda. That said, the two scores are not equally well evidenced: Duda has 104 ratings behind it against 17, so its average is the more settled of the two. Written reviews are what separate them: 16% of Minha Biblioteca's written reviews are positive against 22% of Duda's.
Minha Biblioteca ships an update every 3 months, Duda every 10 days. Both last shipped on October 21, 2026.
| Parameter | Minha Biblioteca | Duda |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (17 ratings) — better | 4.9 (104 ratings) |
| Positive reviews | 16.0% of reviews | 21.5% of reviews — better |
| Number of ratings | 17 | 104 — better |
| Update frequency | Every 3 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 183 MB | 100 MB |
| Age rating | 4+ | +4 |
| Developer | Minha Biblioteca Ltda. | Cruzeiro do Sul Educacional S/A |
Customer experience
Minha Biblioteca
Duda
In-app purchases
Minha Biblioteca
No in-app purchases
Duda
No in-app purchases
