# Flash Health vs Lean SL

The clearest difference is update cadence: Flash Health at every 2 weeks against Lean SL's monthly. Lean SL's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Flash Health ships an update every 2 weeks, Lean SL monthly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Flash Health | Lean SL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/flash-health/id1552393518/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 103 MB | 101 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Flash Health Ltd](https://appshunter.io/developer/1188265098) | [AZBOW](https://appshunter.io/developer/1413105019) |

## What reviewers say

### Flash Health

[App page](https://appshunter.io/ios/app/flash-health/id1552393518)

Access healthcare services conveniently from your phone. Order and refill medications, book lab tests, and track your orders with ease. Gamify your health journey and earn rewards by integrating with Apple Health Kit.

**Highlights:** Order and refill medicines online, Doorstep medicine delivery, Book lab tests online, Real-time order tracking, Gamify health with Apple Health Kit, Refer friends and earn rewards

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

**In-app purchases:** none


### Lean SL

[App page](https://appshunter.io/ios/app/lean-sl/id1573515629)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flash Health free?

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

### Is Lean SL free?

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

### Do Flash Health or Lean SL have ads?

Neither Flash Health nor Lean SL shows ads.

### Which is updated more often, Flash Health or Lean SL?

Flash Health ships an update every 2 weeks, and Lean SL monthly. Most recently, Flash Health was updated on October 29, 2026 and Lean SL on October 30, 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.*