# IMMAF vs RoundFlow HIIT & Boxing Timer

The clearest difference is in-app purchases: RoundFlow HIIT & Boxing Timer at none against IMMAF's 10. IMMAF's advantage is ads (none vs shown) and update cadence (every 9 days vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. IMMAF sells 6 one-off in-app purchases. RoundFlow HIIT & Boxing Timer asks for nothing beyond the download.

IMMAF ships an update every 9 days, RoundFlow HIIT & Boxing Timer every 4 months. The most recent releases landed on September 4, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | IMMAF | RoundFlow HIIT & Boxing Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/immaf/id1447122010/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 4 months |
| Monetization | Free | — |
| Size | 31 MB | 23 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [The International Mixed Martial Arts Federation](https://appshunter.io/developer/1447122009) | [Huy Pham](https://appshunter.io/developer/1030239109) |

## What reviewers say

### IMMAF

[App page](https://appshunter.io/ios/app/immaf/id1447122010)

This platform helps athletes perfect MMA skills, earn certifications, and learn about the sport. Coaches can track student progress, upgrade belts, and communicate with their team. It serves as a global reference for MMA development and community connection.

**Highlights:** Track athlete progress, Earn belt certifications, Access learning videos, Chat with coaches/students, Broadcast messages to students, Log and score student moves

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Orange Belt Green Strip | $1.99 | one-time |
| Upgrade Belt | $2.99 | one-time |
| Upgrade Belt | $4.99 | one-time |
| Upgrade Belt | $5.99 | one-time |
| All Belts | $9.99 | one-time |
| Update Black Belt | $49.99 | one-time |


### RoundFlow HIIT & Boxing Timer

[App page](https://appshunter.io/ios/app/roundflow-hiit-and-boxing-timer/id6754197277)

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

**In-app purchases:** none


## Frequently asked questions

### Is IMMAF free?

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

### Is RoundFlow HIIT & Boxing Timer free?

RoundFlow HIIT & Boxing Timer is free to download, with no in-app purchases.

### Do IMMAF or RoundFlow HIIT & Boxing Timer have ads?

RoundFlow HIIT & Boxing Timer shows ads; IMMAF does not.

### Which is updated more often, IMMAF or RoundFlow HIIT & Boxing Timer?

IMMAF ships an update every 9 days, and RoundFlow HIIT & Boxing Timer every 4 months. Most recently, IMMAF was updated on September 4, 2026 and RoundFlow HIIT & Boxing Timer on September 9, 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.*