# Interval Timer vs Steve Transforms

The clearest difference is in-app purchases: Steve Transforms at none against Interval Timer's 2. Steve Transforms also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). Interval Timer's advantage is update cadence (every 3 weeks vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Interval Timer sells 2 in-app purchases, starting at $2.99 per month. Steve Transforms asks for nothing beyond the download.

Interval Timer ships an update every 3 weeks, Steve Transforms every 3 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Interval Timer | Steve Transforms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (142 ratings)](https://appshunter.io/ios/app/interval-timer-multiple-hiit/id1598597704/reviews)** | — |
| Number of ratings | **142** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 101 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Duleep Madusanka](https://appshunter.io/developer/1536533862) | [lvlup-app, Inc.](https://appshunter.io/developer/1580197540) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-multiple-hiit/id1598597704)

Create personalized workout timers for HIIT, Tabata, and circuit training. Customize intervals, choose voice or beep cues, and run timers in the background with music. Includes a stopwatch and countdown timer for versatile fitness tracking.

**Highlights:** Custom interval timers, Voice or beep cues, Background operation, Customizable countdown, Stopwatch and countdown timer, Dark and light mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer (Monthly) | $2.99 | per month |
| Interval Timer (Lifetime) | $14.99 | one-time |


### Steve Transforms

[App page](https://appshunter.io/ios/app/steve-transforms/id6761714334)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is Steve Transforms free?

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

### Do Interval Timer or Steve Transforms have ads?

Neither Interval Timer nor Steve Transforms shows ads.

### Which is updated more often, Interval Timer or Steve Transforms?

Interval Timer ships an update every 3 weeks, and Steve Transforms every 3 months. Most recently, Interval Timer was updated on October 3, 2026 and Steve Transforms on October 8, 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.*