# RoundFlow vs BoxBell

The clearest difference is update cadence: BoxBell at daily against RoundFlow's weekly. BoxBell also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases 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 and BoxBell sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

RoundFlow ships an update weekly, BoxBell daily. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | RoundFlow | BoxBell |
| --- | --- | --- |
| 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Freemium | — |
| Size | 11 MB | 28 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zakaria Elkassmi](https://appshunter.io/developer/6785544936) | [Nurshat Bakytzhan](https://appshunter.io/developer/6787874872) |

## What reviewers say

### 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 |


### BoxBell

[App page](https://appshunter.io/ios/app/boxbell-boxing-round-timer/id6804746188)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BoxBell Pro | $5.99 | one-time |


## Frequently asked questions

### Is RoundFlow free?

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

### Is BoxBell free?

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

### Do RoundFlow or BoxBell have ads?

Neither RoundFlow nor BoxBell shows ads.

### Which is updated more often, RoundFlow or BoxBell?

RoundFlow ships an update weekly, and BoxBell daily. Most recently, RoundFlow was updated on September 24, 2026 and BoxBell on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*