# TRounds vs IntervalFlow

The clearest difference is update cadence: TRounds at every 2 days against IntervalFlow's every 4 weeks. TRounds also leads on device support (4 vs 2) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TRounds ships an update every 2 days, IntervalFlow every 4 weeks. The most recent releases landed on August 13, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | TRounds | IntervalFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 weeks |
| Size | 20 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oleksii Vasylenko](https://appshunter.io/developer/1882810590) | [Hyunwoo Lee](https://appshunter.io/developer/1883358620) |

## What reviewers say

### TRounds

[App page](https://appshunter.io/ios/app/trounds/id6760133254)

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

**In-app purchases:** none


### IntervalFlow

[App page](https://appshunter.io/ios/app/intervalflow-hiit-timer/id6788945849)

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

**In-app purchases:** none


## Frequently asked questions

### Is TRounds free?

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

### Is IntervalFlow free?

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

### Do TRounds or IntervalFlow have ads?

Neither TRounds nor IntervalFlow shows ads.

### Which is updated more often, TRounds or IntervalFlow?

TRounds ships an update every 2 days, and IntervalFlow every 4 weeks. Most recently, TRounds was updated on August 13, 2026 and IntervalFlow on September 18, 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.*