# Simple Interval Timer vs UBT

The clearest difference is in-app purchases: UBT at none against Simple Interval Timer's 2. Simple Interval Timer's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Simple Interval Timer sells 2 in-app purchases, starting at $0.99 per month. UBT asks for nothing beyond the download.

## The numbers

| Metric | Simple Interval Timer | UBT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | — |
| Size | 23 MB | 54 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [阳 童](https://appshunter.io/developer/1782546459) | [Matheus Tonelotto](https://appshunter.io/developer/1887953373) |

## What reviewers say

### Simple Interval Timer

[App page](https://appshunter.io/ios/app/simple-interval-timer-flexy/id6742375743)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Yearly Premium | $4.99 | per year |


### UBT

[App page](https://appshunter.io/ios/app/ubt-ultimate-bjj-timer/id6797043830)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Interval Timer free?

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

### Is UBT free?

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

### Do Simple Interval Timer or UBT have ads?

UBT shows ads; Simple Interval Timer 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.*