# Lean Health Timer vs Flow

The clearest difference is in-app purchases: Lean Health Timer at none against Flow's 6. Flow's advantage is update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Flow sells 6 in-app purchases, starting at $9.99 per month. Lean Health Timer asks for nothing beyond the download.

Lean Health Timer ships an update weekly, Flow every 3 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Lean Health Timer | Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (393 ratings)](https://appshunter.io/ios/app/flow-wake-up/id6761572707/reviews)** |
| Number of ratings | — | **393** |
| Positive reviews | — | 17.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 168 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HENEMM GmbH](https://appshunter.io/developer/1843318929) | [Flow Alarm, Inc.](https://appshunter.io/developer/1890290638) |

## What reviewers say

### Lean Health Timer

[App page](https://appshunter.io/ios/app/lean-health-timer/id6753281544)

**In-app purchases:** none


### Flow

[App page](https://appshunter.io/ios/app/flow-wake-up/id6761572707)

This app uses a physical dock and your phone to create an alarm that requires you to get out of bed to dismiss. It also tracks sleep patterns and sounds to help you improve your rest.

**Highlights:** Physical alarm dock, App-controlled wake-up time, Requires physical interaction to dismiss, Sleep pattern tracking, Sleep sound recording, Habit building tools

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $9.99 | per month |
| Unlimited | $19.99 | per month |
| Unlimited | $29.99 | per year |
| Unlimited | $39.99 | per year |
| Unlimited | $39.99 | per year |
| Unlimited | $99.99 | per year |


## Frequently asked questions

### Is Lean Health Timer free?

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

### Is Flow free?

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

### Do Lean Health Timer or Flow have ads?

Neither Lean Health Timer nor Flow shows ads.

### Which is updated more often, Lean Health Timer or Flow?

Lean Health Timer ships an update weekly, and Flow every 3 days. Most recently, Lean Health Timer was updated on October 30, 2026 and Flow 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.*