# Smart Brush Timer vs Orrin

The clearest difference is in-app purchases: Smart Brush Timer at none against Orrin's 4. Smart Brush Timer also leads on iOS requirement (15.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Orrin sells 4 in-app purchases, starting at $3.99 per month. Smart Brush Timer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Smart Brush Timer | Orrin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 32 MB | 30 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Shintae Park](https://appshunter.io/developer/1829258738) | [Emre Dogrubakar](https://appshunter.io/developer/1812072374) |

## What reviewers say

### Smart Brush Timer

[App page](https://appshunter.io/ios/app/smart-brush-timer/id6752644788)

**Features:** macOS Compatibility

**In-app purchases:** none


### Orrin

[App page](https://appshunter.io/ios/app/orrin-brush-timer/id6769534965)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solo Monthly | $3.99 | per month |
| Family Monthly | $7.99 | per month |
| Solo Yearly | $29.99 | per year |
| Family Yearly | $59.99 | per year |


## Frequently asked questions

### Is Smart Brush Timer free?

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

### Is Orrin free?

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

### Do Smart Brush Timer or Orrin have ads?

Neither Smart Brush Timer nor Orrin shows ads.

### Which is updated more often, Smart Brush Timer or Orrin?

Smart Brush Timer ships an update every 2 months, and Orrin every 2 months. Most recently, Smart Brush Timer was updated on September 19, 2026 and Orrin on September 11, 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.*