# Go Brush vs Interval Flow

The clearest difference is in-app purchases: Go Brush at none against Interval Flow's 1. Interval Flow's advantage is update cadence (every 2 weeks vs every 4 months) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Interval Flow sells 1 one-off in-app purchase. Go Brush asks for nothing beyond the download.

Go Brush ships an update every 4 months, Interval Flow every 2 weeks. The most recent releases landed on June 8, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Go Brush | Interval Flow |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 8 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Hexalitics Technology Private Limited](https://appshunter.io/developer/1611898082) | [Tegyaan](https://appshunter.io/developer/1711584632) |

## What reviewers say

### 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


### Interval Flow

[App page](https://appshunter.io/ios/app/interval-flow/id6469113776)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multiple Programs | $3.99 | one-time |


## Frequently asked questions

### Is Go Brush free?

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

### Is Interval Flow free?

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

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

Neither Go Brush nor Interval Flow shows ads.

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

Go Brush ships an update every 4 months, and Interval Flow every 2 weeks. Most recently, Go Brush was updated on June 8, 2026 and Interval Flow on September 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.*