# Interval Working vs Go Brush

The clearest difference is ads: Go Brush at none against Interval Working's shown. Interval Working's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Interval Working ships an update every 6 months, Go Brush every 4 months. The most recent releases landed on September 13, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | Interval Working | Go Brush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/go-brush-toothbrush-timer/id6446024185/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 51 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [David Fernandez-Vegue Garcia](https://appshunter.io/developer/1576667472) | [Hexalitics Technology Private Limited](https://appshunter.io/developer/1611898082) |

## What reviewers say

### Interval Working

[App page](https://appshunter.io/ios/app/interval-working/id1576667470)

**Features:** Vision Pro support

**In-app purchases:** none


### Go Brush

[App page](https://appshunter.io/ios/app/go-brush-toothbrush-timer/id6446024185)

This app helps you time your tooth brushing sessions and track your oral hygiene habits. It integrates with your health app to save brushing data and provides alerts when your timed session is complete.

**Highlights:** Toothbrushing timer, HealthKit integration, Brushing data tracking, Customizable session times, Alerts for session completion

**In-app purchases:** none


## Frequently asked questions

### Is Interval Working free?

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

### Is Go Brush free?

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

### Do Interval Working or Go Brush have ads?

Interval Working shows ads; Go Brush does not.

### Which is updated more often, Interval Working or Go Brush?

Interval Working ships an update every 6 months, and Go Brush every 4 months. Most recently, Interval Working was updated on September 13, 2026 and Go Brush on June 8, 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.*