# Carium vs Blue Sky MD

The clearest difference is rating: Carium at 4.1 against Blue Sky MD's 2.6. Blue Sky MD's advantage is review sentiment (22% vs 0%) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Carium holds the better App Store score, 4.1 against 2.6. Both are backed by a comparable volume of ratings — 28 and 13 respectively. Written reviews complicate that: 0% of Carium's written reviews are positive against 22% of Blue Sky MD's, so the app with the better star average is not the one people write more warmly about.

Carium ships an update every 2 months, Blue Sky MD every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Carium | Blue Sky MD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (28 ratings)](https://appshunter.io/ios/app/carium/id1394730906/reviews)** | [2.6 (13 ratings)](https://appshunter.io/ios/app/blue-sky-md/id1469907131/reviews) |
| Number of ratings | **28** | 13 |
| Positive reviews | 0.0% of reviews | **22.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 97 MB | 70 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carium, Inc.](https://appshunter.io/developer/1394730905) | [Blue Sky MD, PC](https://appshunter.io/developer/1469907130) |

## What reviewers say

### Carium

[App page](https://appshunter.io/ios/app/carium/id1394730906)

This app empowers users to actively manage their health and wellness by connecting them with their healthcare or wellness team. It offers tools to support personal goals and facilitates real-time communication and progress tracking through secure technology and health data integration.

**Highlights:** Personalized health and wellness goal support, Virtual connection to care teams, Secure communication with providers, Integration with Apple HealthKit, Real-time progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Blue Sky MD

[App page](https://appshunter.io/ios/app/blue-sky-md/id1469907131)

This app offers a medical approach to weight loss, utilizing advanced lab testing and metabolism measurements to create personalized meal and exercise plans. It features progress tracking, meal logging, and secure messaging with healthcare providers.

**Highlights:** Personalized meal and exercise plans, Advanced lab testing and metabolism measurement, Progress tracking, Meal logging, HIPAA compliant messaging and scheduling, Integration with Apple HealthKit

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

**In-app purchases:** none


## Frequently asked questions

### Is Carium free?

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

### Is Blue Sky MD free?

Blue Sky MD is free to download, with no in-app purchases.

### Which has better reviews, Carium or Blue Sky MD?

Carium is rated higher. Carium averages 4.1 out of 5 from 28 ratings, while Blue Sky MD averages 2.6 from 13 ratings.

### Do Carium or Blue Sky MD have ads?

Neither Carium nor Blue Sky MD shows ads.

### Which is updated more often, Carium or Blue Sky MD?

Carium ships an update every 2 months, and Blue Sky MD every 3 weeks. Most recently, Carium was updated on November 2, 2026 and Blue Sky MD on November 3, 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.*