# IntervalTimer Duo vs Timer | Interval

The clearest difference is iOS requirement: Timer | Interval at 15.1 against IntervalTimer Duo's 26.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. IntervalTimer Duo sells 1 one-off in-app purchase and Timer | Interval sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

IntervalTimer Duo ships an update every 3 weeks, Timer | Interval every 10 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IntervalTimer Duo | Timer | Interval |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 10 MB | 44 MB |
| Requires iOS | 26.1 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kosuke konuma](https://appshunter.io/developer/1767116232) | [MICAH JOHN WALKER](https://appshunter.io/developer/1877508805) |

## What reviewers say

### IntervalTimer Duo

[App page](https://appshunter.io/ios/app/intervaltimer-duo/id6753626424)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $2.99 | one-time |


### Timer | Interval

[App page](https://appshunter.io/ios/app/timer-interval/id6759624277)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timer \| Interval | $2.99 | one-time |


## Frequently asked questions

### Is IntervalTimer Duo free?

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

### Is Timer | Interval free?

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

### Do IntervalTimer Duo or Timer | Interval have ads?

Neither IntervalTimer Duo nor Timer | Interval shows ads.

### Which is updated more often, IntervalTimer Duo or Timer | Interval?

IntervalTimer Duo ships an update every 3 weeks, and Timer | Interval every 10 days. Most recently, IntervalTimer Duo was updated on October 9, 2026 and Timer | Interval 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.*