# Brush Reminder vs Air

The clearest difference is in-app purchases: Air at none against Brush Reminder's 2. Air also leads on ads (none vs shown) and update cadence (daily vs every 10 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Brush Reminder sells 2 in-app purchases, starting at $0.99 per month. Air asks for nothing beyond the download.

Brush Reminder ships an update every 10 days, Air daily. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Brush Reminder | Air |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Daily** |
| Size | 12 MB | 10 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [YEN-FONG LI](https://appshunter.io/developer/1773168237) | [Danah Alqahtani](https://appshunter.io/developer/1859403182) |

## What reviewers say

### Brush Reminder

[App page](https://appshunter.io/ios/app/brush-reminder/id6736713773)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $8.99 | per year |


### Air

[App page](https://appshunter.io/ios/app/air-a/id6777402831)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brush Reminder free?

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

### Is Air free?

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

### Do Brush Reminder or Air have ads?

Brush Reminder shows ads; Air does not.

### Which is updated more often, Brush Reminder or Air?

Brush Reminder ships an update every 10 days, and Air daily. Most recently, Brush Reminder was updated on October 25, 2026 and Air on October 28, 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.*