# VST CoffeeTools for iPhone vs Brewmaster

The clearest difference is review sentiment: VST CoffeeTools for iPhone at 61% against Brewmaster's 17%. VST CoffeeTools for iPhone also leads on rating (2.3 vs 1.7) and iOS requirement (9.3 vs 16.6). Brewmaster's advantage is in-app purchases (none vs 5) and update cadence (monthly vs every 3 months). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. VST CoffeeTools for iPhone sells 5 one-off in-app purchases. Brewmaster asks for nothing beyond the download.

VST CoffeeTools for iPhone holds the better App Store score, 2.3 against 1.7. Both are backed by a comparable volume of ratings — 15 and 18 respectively. Written reviews point the same way: 61% of VST CoffeeTools for iPhone's written reviews are positive against 17% of Brewmaster's.

VST CoffeeTools for iPhone ships an update every 3 months, Brewmaster monthly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | VST CoffeeTools for iPhone | Brewmaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (15 ratings)](https://appshunter.io/ios/app/vst-coffeetools-for-iphone/id351660247/reviews)** | [1.7 (18 ratings)](https://appshunter.io/ios/app/brewmaster/id973393267/reviews) |
| Number of ratings | 15 | **18** |
| Positive reviews | **61.1% of reviews** | 17.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 13 MB | 26 MB |
| Requires iOS | **9.3** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [VST](https://appshunter.io/developer/351660250) | [acaia](https://appshunter.io/developer/935602278) |

## What reviewers say

### VST CoffeeTools for iPhone

[App page](https://appshunter.io/ios/app/vst-coffeetools-for-iphone/id351660247)

This tool helps baristas and roasters calculate precise coffee and espresso brew formulas. It uses measurements from a coffee refractometer to achieve Gold Cup standards, allowing for detailed recipe sharing and analysis. Supports both coffee and espresso brewing modes, along with sugar analysis.

**Highlights:** Compute brew formulas for coffee and espresso, Measure extraction yield to Gold Cup standards, Share recipes and measurements via email, Supports metric, imperial, and mixed units, Analyze sugar content for beverages, Database sorting, import, and export

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Corn Mode | $5.99 | one-time |
| Sugar Mode | $9.99 | one-time |
| Coffee Mode Upgr | $24.99 | one-time |
| Espresso Mode | $29.99 | one-time |
| Coffee Mode | $29.99 | one-time |


### 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


## Frequently asked questions

### Is VST CoffeeTools for iPhone free?

VST CoffeeTools for iPhone is free to download, with in-app purchases available.

### Is Brewmaster free?

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

### Which has better reviews, VST CoffeeTools for iPhone or Brewmaster?

VST CoffeeTools for iPhone is rated higher. VST CoffeeTools for iPhone averages 2.3 out of 5 from 15 ratings, while Brewmaster averages 1.7 from 18 ratings.

### Do VST CoffeeTools for iPhone or Brewmaster have ads?

Neither VST CoffeeTools for iPhone nor Brewmaster shows ads.

### Which is updated more often, VST CoffeeTools for iPhone or Brewmaster?

VST CoffeeTools for iPhone ships an update every 3 months, and Brewmaster monthly. Most recently, VST CoffeeTools for iPhone was updated on November 6, 2026 and Brewmaster 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.*