# PB Intervals vs Burst

The clearest difference is in-app purchases: Burst at none against PB Intervals's 1. PB Intervals's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PB Intervals sells 1 one-off in-app purchase. Burst asks for nothing beyond the download.

## The numbers

| Metric | PB Intervals | Burst |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 6 days |
| Size | 12 MB | 40 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Creative Banks Ltd](https://appshunter.io/developer/1771001473) | [Sebastian Orlowski](https://appshunter.io/developer/1884410907) |

## What reviewers say

### PB Intervals

[App page](https://appshunter.io/ios/app/pb-intervals/id6723896953)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PB Interval Premium | $6.99 | one-time |


### Burst

[App page](https://appshunter.io/ios/app/burst-interval-timer/id6760428892)

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

**In-app purchases:** none


## Frequently asked questions

### Is PB Intervals free?

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

### Is Burst free?

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

### Do PB Intervals or Burst have ads?

Burst shows ads; PB Intervals 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.*