# INTVL vs Exercise Timer Resero

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

Both are free to download. INTVL sells 1 in-app purchase, starting at $39.99 per year. Exercise Timer Resero asks for nothing beyond the download.

INTVL ships an update fortnightly, Exercise Timer Resero every 3 weeks. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | INTVL | Exercise Timer Resero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 87 MB | 112 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Imperial Sales & Marketing GmbH](https://appshunter.io/developer/1818132010) | [Imarum GmbH](https://appshunter.io/developer/1856347447) |

## What reviewers say

### INTVL

[App page](https://appshunter.io/ios/app/intvl-interval-timer/id6759198513)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| INTVL Pro Annual | $39.99 | per year |


### Exercise Timer Resero

[App page](https://appshunter.io/ios/app/exercise-timer-resero/id6761783791)

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

**In-app purchases:** none


## Frequently asked questions

### Is INTVL free?

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

### Is Exercise Timer Resero free?

Exercise Timer Resero is free to download, with no in-app purchases.

### Do INTVL or Exercise Timer Resero have ads?

INTVL shows ads; Exercise Timer Resero does not.

### Which is updated more often, INTVL or Exercise Timer Resero?

INTVL ships an update fortnightly, and Exercise Timer Resero every 3 weeks. Most recently, INTVL was updated on September 8, 2026 and Exercise Timer Resero on September 9, 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.*