# RoundFlow vs Rounder

The clearest difference is update cadence: RoundFlow at every 5 days against Rounder's every 2 weeks. Rounder's advantage is iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. RoundFlow sells 1 one-off in-app purchase and Rounder sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

RoundFlow ships an update every 5 days, Rounder every 2 weeks. The most recent releases landed on June 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | RoundFlow | Rounder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/roundflow/id6739583598/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 87 MB | 44 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [genghong Xie](https://appshunter.io/developer/1785558382) | [Dmytro Alandariev](https://appshunter.io/developer/1603064345) |

## What reviewers say

### RoundFlow

[App page](https://appshunter.io/ios/app/roundflow/id6739583598)

This training app offers a unique intergalactic-themed HIIT and fighting experience. It features real-time punch power measurement, voice control for hands-free operation, and global leaderboards. All your training data is securely stored in the cloud.

**Highlights:** Real-time punch power detection, Voice control for hands-free operation, Customizable HIIT timers, Global leaderboards, Cloud data synchronization, Training calendar and log

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade plus | $5.99 | one-time |


### Rounder

[App page](https://appshunter.io/ios/app/rounder-mma-and-boxing-timer/id6752294030)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly PRO | $0.99 | per 7 days |
| Monthly PRO | $1.99 | per month |
| Unlock Combat Power | $2.99 | one-time |


## Frequently asked questions

### Is RoundFlow free?

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

### Is Rounder free?

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

### Do RoundFlow or Rounder have ads?

Neither RoundFlow nor Rounder shows ads.

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

RoundFlow ships an update every 5 days, and Rounder every 2 weeks. Most recently, RoundFlow was updated on June 21, 2026 and Rounder on September 16, 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.*