# Simple Interval Timer vs Rolls

The clearest difference is price: Simple Interval Timer at Free against Rolls's $19.99. Rolls's advantage is update cadence (every 3 days vs weekly) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Simple Interval Timer is free to download; Rolls costs $19.99 up front. Simple Interval Timer sells 2 in-app purchases, starting at $0.99 per month and Rolls sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Simple Interval Timer ships an update weekly, Rolls every 3 days. The most recent releases landed on October 28, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Simple Interval Timer | Rolls |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 23 MB | 79 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [阳 童](https://appshunter.io/developer/1782546459) | [ROLLBASE LTD EOOD](https://appshunter.io/developer/1831300268) |

## 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 |


### Rolls

[App page](https://appshunter.io/ios/app/rolls-bjj-tracker/id6749587613)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Simple Interval Timer free?

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

### Is Rolls free?

Rolls costs $19.99, and also offers in-app purchases.

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

Neither Simple Interval Timer nor Rolls shows ads.

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

Simple Interval Timer ships an update weekly, and Rolls every 3 days. Most recently, Simple Interval Timer was updated on October 28, 2026 and Rolls on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*