# Biblioteca Digital CBR vs Celus APP

The clearest difference is in-app purchases: Biblioteca Digital CBR at none against Celus APP's 2. Celus APP's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Celus APP sells 2 in-app purchases, starting at $6.99 per month. Biblioteca Digital CBR asks for nothing beyond the download.

Biblioteca Digital CBR ships an update every 2 months, Celus APP every 2 weeks. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Biblioteca Digital CBR | Celus APP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 58 MB | 33 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Colégio Brasileiro de Radiologia e Diagnóstico por Imagem](https://appshunter.io/developer/1226501266) | [Salus Sistemas Ltda](https://appshunter.io/developer/1531780011) |

## What reviewers say

### Biblioteca Digital CBR

[App page](https://appshunter.io/ios/app/biblioteca-digital-cbr/id1226501267)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Celus APP

[App page](https://appshunter.io/ios/app/celus-app/id1591738281)

This medical app assists with diagnostic practices, particularly in ultrasound exams. It offers curated content, including brief articles, sample reports, risk calculators, and reference tables, to help users create accurate and personalized reports.

**Highlights:** Ultrasound diagnostic assistance, Personalizable content filtering, Curated articles and expert content, Sample diagnostic reports, Risk calculators for malignancy, Reference tables and calculations

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plano Mensal | $6.99 | per month |
| Plano Anual | $69.99 | per year |


## Frequently asked questions

### Is Biblioteca Digital CBR free?

Biblioteca Digital CBR is free to download, with no in-app purchases.

### Is Celus APP free?

Celus APP is free to download, with in-app purchases available.

### Do Biblioteca Digital CBR or Celus APP have ads?

Neither Biblioteca Digital CBR nor Celus APP shows ads.

### Which is updated more often, Biblioteca Digital CBR or Celus APP?

Biblioteca Digital CBR ships an update every 2 months, and Celus APP every 2 weeks. Most recently, Biblioteca Digital CBR was updated on October 4, 2026 and Celus APP on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*