# Flow vs Slivor

The clearest difference is in-app purchases: Slivor at none against Flow's 6. Slivor also leads on iOS requirement (15.1 vs 17.0). Flow's advantage is update cadence (every 3 days vs every 6 weeks). On price, ads and device support there is nothing between them.

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

Flow ships an update every 3 days, Slivor every 6 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Flow | Slivor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (395 ratings)](https://appshunter.io/ios/app/flow-wake-up/id6761572707/reviews)** | — |
| Number of ratings | **395** | — |
| Positive reviews | 17.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 168 MB | 69 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Flow Alarm, Inc.](https://appshunter.io/developer/1890290638) | [VELECI LLC](https://appshunter.io/developer/1893382762) |

## What reviewers say

### 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 |


### Slivor

[App page](https://appshunter.io/ios/app/slivor/id6762210553)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flow free?

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

### Is Slivor free?

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

### Do Flow or Slivor have ads?

Neither Flow nor Slivor shows ads.

### Which is updated more often, Flow or Slivor?

Flow ships an update every 3 days, and Slivor every 6 weeks. Most recently, Flow was updated on November 9, 2026 and Slivor 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.*