# C vs Bivia

The clearest difference is in-app purchases: C at none against Bivia's 2. C also leads on iOS requirement (13.0 vs 15.1). Bivia's advantage is update cadence (weekly vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. Bivia sells 2 in-app purchases, starting at $6.99 per month. C asks for nothing beyond the download.

C ships an update every 14 months, Bivia weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | C | Bivia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bivia-veterinary-anatomy/id6775531380/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 25 MB | 60 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [C-NESOA](https://appshunter.io/developer/1532410005) | [Higor Rodrigues Torres da Silva](https://appshunter.io/developer/6775531382) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-nesoa/id1532410003)

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

**In-app purchases:** none


### Bivia

[App page](https://appshunter.io/ios/app/bivia-veterinary-anatomy/id6775531380)

This interactive study app helps veterinary students learn and retain complex anatomical information through active recall and spaced repetition. It offers flashcards, image-based lessons, and exam-style practice to build long-term confidence and knowledge.

**Highlights:** Veterinary anatomy flashcards, Image-based identification questions, Active recall learning, Spaced repetition for daily review, Exam-style practice questions, Offline study for Pro members

**Features:** iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bivia Pro Monthly | $6.99 | per month |
| Bivia Pro Annual | $49.99 | per year |


## Frequently asked questions

### Is C free?

C is free to download, with no in-app purchases.

### Is Bivia free?

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

### Do C or Bivia have ads?

Neither C nor Bivia shows ads.

### Which is updated more often, C or Bivia?

C ships an update every 14 months, and Bivia weekly. Most recently, C was updated on November 3, 2026 and Bivia on November 5, 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.*