# Brewmaster vs GrindBook

The clearest difference is in-app purchases: Brewmaster at none against GrindBook's 3. Brewmaster also leads on iOS requirement (16.6 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. GrindBook sells 3 one-off in-app purchases. Brewmaster asks for nothing beyond the download.

Brewmaster ships an update monthly, GrindBook every 3 weeks. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Brewmaster | GrindBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (18 ratings)](https://appshunter.io/ios/app/brewmaster/id973393267/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 16.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 26 MB | 15 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [acaia](https://appshunter.io/developer/935602278) | [Unhook Studio](https://appshunter.io/developer/1883319583) |

## What reviewers say

### Brewmaster

[App page](https://appshunter.io/ios/app/brewmaster/id973393267)

This app logs your coffee brewing process, visualizing data in real-time with a connected scale. It helps you understand extraction, ratios, and share your brewing moments.

**Highlights:** Log brewing process, methods, notes, and flavors, Real-time visualized brewing charts, Monitor extraction amount and duration, Coffee ratio converter, Share brewing print cards

**In-app purchases:** none

**What reviewers like**

- 💯 Scale accuracy and quality
- ☕️ Useful for tracking brews
- 🔄 Replicating favorite brews
- 📊 Real-time flow rate monitoring
- 💡 Potential for pour over training

**What reviewers complain about**

- 📱 Poor app quality/effort
- 📉 Unstable and crashes often
- 🔗 Bluetooth connectivity issues
- 🗑 Data loss and deletion
- ⏳ Inaccurate timer function

**Reported bugs**

- App crashes frequently
- Bluetooth connection unreliable
- Saved images not showing
- Data not saved or deleted randomly
- Timer skips seconds or is inaccurate

**Requested features**

- Hire a better software team
- Improve app stability and maintenance
- Update UI to be more modern
- Allow manual data input
- Add dark mode


### GrindBook

[App page](https://appshunter.io/ios/app/grindbook-coffee-journal/id6779789327)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


## Frequently asked questions

### Is Brewmaster free?

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

### Is GrindBook free?

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

### Do Brewmaster or GrindBook have ads?

Neither Brewmaster nor GrindBook shows ads.

### Which is updated more often, Brewmaster or GrindBook?

Brewmaster ships an update monthly, and GrindBook every 3 weeks. Most recently, Brewmaster was updated on October 21, 2026 and GrindBook on October 18, 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.*