# SmartHIIT vs TimerFit

The clearest difference is in-app purchases: TimerFit at none against SmartHIIT's 2. TimerFit also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. SmartHIIT sells 2 in-app purchases, starting at $4.99 per month. TimerFit asks for nothing beyond the download.

SmartHIIT ships an update every 3 days, TimerFit every 4 days. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SmartHIIT | TimerFit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 32 MB | 12 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | +4 | 4+ |
| Developer | [Diego Dias de Macedo](https://appshunter.io/developer/1293397655) | [KWANG ROK KIM](https://appshunter.io/developer/6792751927) |

## What reviewers say

### SmartHIIT

[App page](https://appshunter.io/ios/app/smarthiit-lose-weight-at-home/id6754564855)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmartHIIT Pro Monthly | $4.99 | per month |
| SmartHIIT Pro Annual | $34.99 | per year |


### TimerFit

[App page](https://appshunter.io/ios/app/timerfit-interval-timer/id6792751925)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartHIIT free?

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

### Is TimerFit free?

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

### Do SmartHIIT or TimerFit have ads?

Neither SmartHIIT nor TimerFit shows ads.

### Which is updated more often, SmartHIIT or TimerFit?

SmartHIIT ships an update every 3 days, and TimerFit every 4 days. Most recently, SmartHIIT was updated on October 19, 2026 and TimerFit on October 6, 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.*