# Interval Timer vs Custom Interval Workout Timer

The clearest difference is iOS requirement: Interval Timer at 15.1 against Custom Interval Workout Timer's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Interval Timer sells 2 in-app purchases, starting at $2.99 per month and Custom Interval Workout Timer sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Interval Timer ships an update every 5 weeks, Custom Interval Workout Timer every 2 months. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Interval Timer | Custom Interval Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 51 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Nadim Elsayed](https://appshunter.io/developer/1862615992) | [Michael McGill apps llc](https://appshunter.io/developer/1874084552) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-custom-timer/id6757408795)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $19.99 | per year |


### Custom Interval Workout Timer

[App page](https://appshunter.io/ios/app/custom-interval-workout-timer/id6759209042)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is Interval Timer free?

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

### Is Custom Interval Workout Timer free?

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

### Do Interval Timer or Custom Interval Workout Timer have ads?

Both Interval Timer and Custom Interval Workout Timer show ads.

### Which is updated more often, Interval Timer or Custom Interval Workout Timer?

Interval Timer ships an update every 5 weeks, and Custom Interval Workout Timer every 2 months. Most recently, Interval Timer was updated on October 13, 2026 and Custom Interval Workout Timer on October 15, 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.*