# HIIT Timer / Interval Timer vs Refi

The clearest difference is in-app purchases: HIIT Timer / Interval Timer at none against Refi's 1. Refi's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Refi sells 1 in-app purchase, starting at $6.99 per month. HIIT Timer / Interval Timer asks for nothing beyond the download.

HIIT Timer / Interval Timer ships an update every 2 months, Refi every 4 days. The most recent releases landed on October 4, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | HIIT Timer / Interval Timer | Refi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/hiit-timer-interval-timer/id1610842683/reviews)** | — |
| Number of ratings | **14** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 57 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) | [DENIZ DIKMEN](https://appshunter.io/developer/1857230153) |

## What reviewers say

### HIIT Timer / Interval Timer

[App page](https://appshunter.io/ios/app/hiit-timer-interval-timer/id1610842683)

This app provides a customizable timer for high-intensity interval training. Easily set up warm-up, workout, and cool-down periods with adjustable intervals and counts. Personalize colors, sounds, and notifications for a tailored experience.

**Highlights:** Unlimited timer creation, Customizable intervals (warm-up, workout, cool-down), Adjustable counts, Color and sound customization, Dark mode support, Background notifications

**Features:** Vision Pro support

**In-app purchases:** none


### Refi

[App page](https://appshunter.io/ios/app/refi/id6755911121)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Refi Pro Monthly | $6.99 | per month |


## Frequently asked questions

### Is HIIT Timer / Interval Timer free?

HIIT Timer / Interval Timer is free to download, with no in-app purchases.

### Is Refi free?

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

### Do HIIT Timer / Interval Timer or Refi have ads?

HIIT Timer / Interval Timer shows ads; Refi does not.

### Which is updated more often, HIIT Timer / Interval Timer or Refi?

HIIT Timer / Interval Timer ships an update every 2 months, and Refi every 4 days. Most recently, HIIT Timer / Interval Timer was updated on October 4, 2026 and Refi on September 28, 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.*