# Simple Interval Timer vs Bettie

The clearest difference is iOS requirement: Bettie at 15.1 against Simple Interval Timer's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Simple Interval Timer sells 2 in-app purchases, starting at $0.99 per month and Bettie sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Simple Interval Timer ships an update weekly, Bettie every 11 days. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Simple Interval Timer | Bettie |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Size | 23 MB | 48 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [阳 童](https://appshunter.io/developer/1782546459) | [Ben Long](https://appshunter.io/developer/1879016819) |

## 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 |


### Bettie

[App page](https://appshunter.io/ios/app/bettie/id6759491353)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bettie Pro | $2.99 | per month |


## Frequently asked questions

### Is Simple Interval Timer free?

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

### Is Bettie free?

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

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

Neither Simple Interval Timer nor Bettie shows ads.

### Which is updated more often, Simple Interval Timer or Bettie?

Simple Interval Timer ships an update weekly, and Bettie every 11 days. Most recently, Simple Interval Timer was updated on September 23, 2026 and Bettie on September 14, 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.*