# OdySight vs Carte Vitale

The clearest difference is rating: Carte Vitale at 4.6 against OdySight's 4.2. Carte Vitale also leads on ratings volume (138 vs 6). OdySight's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Carte Vitale holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: Carte Vitale has 138 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 48% of OdySight's written reviews are positive against 41% of Carte Vitale's, so the app with the better star average is not the one people write more warmly about.

OdySight ships an update every 3 months, Carte Vitale every 2 months. The most recent releases landed on August 21, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | OdySight | Carte Vitale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (6 ratings)](https://appshunter.io/ios/app/odysight/id1375477602/reviews) | **[4.6 (138 ratings)](https://appshunter.io/ios/app/carte-vitale/id1458351041/reviews)** |
| Number of ratings | 6 | **138** |
| Positive reviews | **48.4% of reviews** | 41.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 428 MB | 356 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Tilak Healthcare](https://appshunter.io/developer/1250896788) | [GIE SESAM Vitale](https://appshunter.io/developer/1432615268) |

## What reviewers say

### OdySight

[App page](https://appshunter.io/ios/app/odysight/id1375477602)

This app allows users to monitor their vision daily between ophthalmologist visits. It provides vision tests with results sent to your doctor for remote monitoring of chronic retinal diseases. Enjoy puzzles after completing tests to encourage consistent monitoring.

**Highlights:** Daily vision monitoring, Remote doctor reporting, Chronic retinal disease tracking, Vision test results, Interactive puzzles, Medical device authorization

**Features:** Vision Pro support

**In-app purchases:** none


### Carte Vitale

[App page](https://appshunter.io/ios/app/carte-vitale/id1458351041)

This app provides a digital version of your French health insurance card on your smartphone. It allows you to identify yourself to healthcare professionals and view your healthcare expenses and personal information. It requires specific age and identity verification for activation.

**Highlights:** Digital health insurance card on smartphone, Identify yourself to healthcare professionals, View healthcare expenses, Access personal health information, Access beneficiary information, Secure data storage

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is OdySight free?

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

### Is Carte Vitale free?

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

### Which has better reviews, OdySight or Carte Vitale?

Carte Vitale is rated higher. OdySight averages 4.2 out of 5 from 6 ratings, while Carte Vitale averages 4.6 from 138 ratings.

### Do OdySight or Carte Vitale have ads?

Neither OdySight nor Carte Vitale shows ads.

### Which is updated more often, OdySight or Carte Vitale?

OdySight ships an update every 3 months, and Carte Vitale every 2 months. Most recently, OdySight was updated on August 21, 2026 and Carte Vitale on September 26, 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.*