# Blue Sky MD vs Sniffly

Blue Sky MD and Sniffly are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Blue Sky MD ships an update every 3 weeks, Sniffly every 11 days. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Blue Sky MD | Sniffly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (13 ratings)](https://appshunter.io/ios/app/blue-sky-md/id1469907131/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free | — |
| Size | 70 MB | 31 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Sky MD, PC](https://appshunter.io/developer/1469907130) | [Christian Wehle](https://appshunter.io/developer/1885553418) |

## What reviewers say

### 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


### Sniffly

[App page](https://appshunter.io/ios/app/sniffly/id6760657704)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blue Sky MD free?

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

### Is Sniffly free?

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

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

Neither Blue Sky MD nor Sniffly shows ads.

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

Blue Sky MD ships an update every 3 weeks, and Sniffly every 11 days. Most recently, Blue Sky MD was updated on October 8, 2026 and Sniffly on October 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.*