# Interval Timer Pro vs VoltTimer

The clearest difference is ads: VoltTimer at none against Interval Timer Pro's shown. Interval Timer Pro's advantage is iOS requirement (16.1 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Interval Timer Pro sells 2 in-app purchases, starting at $1.99 per 7 days and VoltTimer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Interval Timer Pro | VoltTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 weeks |
| Size | 7 MB | 6 MB |
| Requires iOS | **16.1** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Cloud Motion Lab LLC](https://appshunter.io/developer/1866865109) | [BRENNEN PRESTON CHERNEY](https://appshunter.io/developer/1887149773) |

## What reviewers say

### Interval Timer Pro

[App page](https://appshunter.io/ios/app/interval-timer-pro-tabata/id6759737959)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer Pro | $1.99 | per 7 days |
| Interval Timer Pro - Lifetime | $9.99 | one-time |


### VoltTimer

[App page](https://appshunter.io/ios/app/volttimer-workout-timer/id6760988281)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoltTimer Pro | $3.99 | one-time |


## Frequently asked questions

### Is Interval Timer Pro free?

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

### Is VoltTimer free?

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

### Do Interval Timer Pro or VoltTimer have ads?

Interval Timer Pro shows ads; VoltTimer does not.

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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.*