# Simple Interval Timer vs Roll Timer

The clearest difference is in-app purchases: Roll Timer at none against Simple Interval Timer's 2. Roll Timer also leads on update cadence (every 2 days vs weekly). On price, ads, 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. Roll Timer asks for nothing beyond the download.

Simple Interval Timer ships an update weekly, Roll Timer every 2 days. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Simple Interval Timer | Roll Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 23 MB | 20 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [阳 童](https://appshunter.io/developer/1782546459) | [Grigoriy Shimichev](https://appshunter.io/developer/6775195552) |

## 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 |


### Roll Timer

[App page](https://appshunter.io/ios/app/roll-timer-bjj-and-rounds/id6820404902)

**Features:** Apple Watch app, iPhone Duo 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 Roll Timer free?

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

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

Neither Simple Interval Timer nor Roll Timer shows ads.

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

Simple Interval Timer ships an update weekly, and Roll Timer every 2 days. Most recently, Simple Interval Timer was updated on November 8, 2026 and Roll Timer on November 10, 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.*