# Shadow Timer vs RoundFlow

The clearest difference is in-app purchases: Shadow Timer at none against RoundFlow's 3. Shadow Timer also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. RoundFlow sells 3 in-app purchases, starting at $2.99 per month. Shadow Timer asks for nothing beyond the download.

## The numbers

| Metric | Shadow Timer | RoundFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/roundflow-interval-timer/id6785911960/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Freemium |
| Size | 30 MB | 11 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Manuel Matosevic](https://appshunter.io/developer/1845913421) | [Zakaria Elkassmi](https://appshunter.io/developer/6785544936) |

## What reviewers say

### Shadow Timer

[App page](https://appshunter.io/ios/app/shadow-timer/id6753956960)

**Features:** macOS Compatibility

**In-app purchases:** none


### RoundFlow

[App page](https://appshunter.io/ios/app/roundflow-interval-timer/id6785911960)

This app provides a customizable interval timer for various combat sports and fitness routines. It seamlessly integrates with music apps, allowing your playlist to continue uninterrupted during workouts. Features include coach voice prompts, combo calls, and workout tracking.

**Highlights:** Music integration with Spotify, Apple Music, YouTube Music, Customizable round, rest, and warm-up/cool-down timers, Recorded coach voice and combo callouts, Workout tracking with calendar and streaks, Apple Watch companion app with haptic feedback, Workout art generation for social sharing, Group session synchronization

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RoundFlow Pro (Monthly) | $2.99 | per month |
| RoundFlow Pro (Yearly) | $7.99 | per year |
| RoundFlow Pro (Lifetime) | $24.99 | one-time |


## Frequently asked questions

### Is Shadow Timer free?

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

### Is RoundFlow free?

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

### Do Shadow Timer or RoundFlow have ads?

Neither Shadow Timer nor RoundFlow shows ads.

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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.*