# Roast Master vs OLLA Brew Lab

The clearest difference is in-app purchases: Roast Master at none against OLLA Brew Lab's 3. Roast Master also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OLLA Brew Lab sells 3 in-app purchases, starting at $1.99 per month. Roast Master asks for nothing beyond the download.

Roast Master ships an update every 2 weeks, OLLA Brew Lab weekly. Both last shipped on November 5, 2026.

## The numbers

| Metric | Roast Master | OLLA Brew Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 66 MB | 169 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seokmin Bang](https://appshunter.io/developer/1896424591) | [HU JIANHUA](https://appshunter.io/developer/6773327453) |

## What reviewers say

### Roast Master

[App page](https://appshunter.io/ios/app/roast-master-coffee-journal/id6767210357)

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

**In-app purchases:** none


### OLLA Brew Lab

[App page](https://appshunter.io/ios/app/olla-brew-lab-coffee-roast/id6773327451)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OLLA Pro Monthly | $1.99 | per month |
| OLLA Pro Annual | $14.99 | per year |
| OLLA Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Roast Master free?

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

### Is OLLA Brew Lab free?

OLLA Brew Lab is free to download, with in-app purchases available.

### Do Roast Master or OLLA Brew Lab have ads?

Neither Roast Master nor OLLA Brew Lab shows ads.

### Which is updated more often, Roast Master or OLLA Brew Lab?

Roast Master ships an update every 2 weeks, and OLLA Brew Lab weekly. Most recently, Roast Master was updated on November 5, 2026 and OLLA Brew Lab on November 5, 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.*