CIELO USAL vs Libros
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CIELO USAL
Access a vast library of academic, scientific, and leisure e-books. Manage loans and reservations, read online, or download titles for offline access. Customize your reading experience with adjustable fonts, brightness, and annotation tools.
- Browse e-book catalog
- Manage loans and reservations
- Download books for offline reading
- Adjustable reading format
- Font customization
- Brightness and line spacing adjustment
- Text highlighting and note-taking
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Para usar esta app debes formar parte de la comunidad universitaria de la Universidad de Salamanca. Desde la app podrás navegar por el catálogo, realizar préstamos y reservas, leer online y descargar libros para leer sin conexión a internet. Tendrás acceso a miles de libros electrónicos académicos, científicos y de ocio. Podrás cambiar a tu gusto el formato de lectura, el tipo y tamaño de la fuente, además de ajustar el brillo, el interlineado, subrayar el texto y realizar notas.
Libros
Access a curated collection of Spanish e-books from the Complutense University of Madrid. Browse, read, borrow, and reserve titles through a user-friendly platform designed for the university community.
- Access curated Spanish e-books
- Search and browse titles
- Digital borrowing and reservations
- Navigate and read content
- University community focused
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La biblioteca de la Universidad Complutense de Madrid pone a disposición de su comunidad universitaria una colección seleccionada de libros electrónicos en español de las distintas áreas de conocimiento, en la plataforma Odilo. A través de la app, los usuarios de la biblioteca pueden acceder a todos los contenidos seleccionados y trabajar con las diferentes funcionalidades de la plataforma: búsqueda, navegación, lectura, préstamo digital y reserva de títulos.
Screenshots
Verdict
The clearest difference is rating: CIELO USAL at 5.0 against Libros's 3.0. CIELO USAL also leads on ratings volume (3 vs 1). 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.
CIELO USAL holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
CIELO USAL ships an update every 2 weeks, Libros fortnightly. The most recent releases landed on September 14, 2026 and August 25, 2026 respectively.
| Parameter | CIELO USAL | Libros |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 74 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Universidad de Salamanca | Odilo |
Customer experience
CIELO USAL
Libros
In-app purchases
CIELO USAL
No in-app purchases
Libros
No in-app purchases
