Brewmaster vs shotStopper Companion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Brewmaster
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.
- Log brewing process, methods, notes, and flavors
- Real-time visualized brewing charts
- Monitor extraction amount and duration
- Coffee ratio converter
- Share brewing print cards
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Introducing “Brewmaster” Log your coffee brewing moment with Brewmaster. Using the acaia scale with the Brewmaster to create beautiful and informative visualized coffee brewing data which helps you to know your brewing better. A coffee log that does a live recording of your coffee brewing process, using acaia’s precise weighing technology, when you brew your coffee on the acaia coffee scale, whether it’s pourover or espresso, you can easily monitor the amount and the duration of coffee extraction. Features: Log-a-brew: Log your brewing process, methods, notes, and coffee flavors, brew better coffee with the acaia coffee scale. Real-time Visualize Brewing Print : improve coffee brewing with the real-time flow charts that reflects your pouring speed, flow rate, learn the way of coffee extraction and brew a mind-blowing cup of coffee with great flavor. And… Coffee Ratio Converter: Easy calculation of water to bean, or bean to water ratio. Celebrate The Moment: Share your brewing print cards with friends, remember the great times and great tastes.
shotStopper Companion
This app connects to a specialized circuit board to help espresso machine users precisely control their coffee extractions by weight. It offers fine-tuning of shot parameters for enthusiasts and baristas seeking accurate brewing.
- Brew-by-weight control
- Espresso machine add-on
- Parameter fine-tuning
- Precise extraction control
- Seamless configuration
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shotStopper is a companion app for the shotStopper circuit board, an innovative brew-by-weight add-on for espresso machines, created by Tate Mazer. Designed for coffee enthusiasts and baristas, this app allows seamless configuration and fine-tuning of shot parameters for precise extraction control.
Screenshots
Verdict
The clearest difference is review sentiment: shotStopper Companion at 100% against Brewmaster's 17%. shotStopper Companion also leads on rating (5.0 vs 1.7) and update cadence (every 4 days vs monthly). Brewmaster's advantage is ratings volume (18 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
shotStopper Companion holds the better App Store score, 5.0 against 1.7. That said, the two scores are not equally well evidenced: Brewmaster has 18 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 17% of Brewmaster's written reviews are positive against 100% of shotStopper Companion's.
Brewmaster ships an update monthly, shotStopper Companion every 4 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Brewmaster | shotStopper Companion |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (18 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 17.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 18 — better | 2 |
| Update frequency | Monthly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 26 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | acaia | Ignacio Capurro |
Customer experience
Brewmaster
shotStopper Companion
Bugs and requests
Brewmaster
Reported bugs
24 issues- App crashes frequently
- Bluetooth connection unreliable
- Saved images not showing
- Data not saved or deleted randomly
- Timer skips seconds or is inaccurate
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- App crashes when accessing specific features (e.g., kettle settings)
- Cannot edit water or update profile picture
- CSV output incomplete
- App crashes on startup
- Cannot pair with scale
- Lost data after crash
- Saving photos not working
- Connectivity broken after updates
- Auto-start has significant lag
- Background process drains phone battery
- Flow rate measurement changed/inaccurate
- Cannot measure to a tenth of a gram
- Timer only begins when espresso lands in cup, not when start is pressed
- App adds extra seconds to total brew time
- Average flow rate not calculated or displayed
- Information from other apps not retrieved
- Cannot save brew curves after update
- Automatic transfer of notes from one shot to the next
- Timer on scale doesn't run if app is running
Requested features
18 requests- Hire a better software team
- Improve app stability and maintenance
- Update UI to be more modern
- Allow manual data input
- Add dark mode
Show 13 moreShow fewer
- Improve graph readability
- Add flow rate calculator
- Sync scale timer and app timer
- Allow 0.1g accuracy in timer mode
- Auto-stop feature
- Search functionality for previous brews
- Comparison of brew charts side-by-side
- Recommendations for brew ratios by coffee type
- Fix display on iPhone 6+
- Allow editing of profile name
- Change 'Tribe' to 'Brew Method'
- API documentation for third-party apps
- One unified app instead of multiple
shotStopper Companion
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Brewmaster
No in-app purchases
shotStopper Companion
No in-app purchases
Questions
Is Brewmaster free?
Is shotStopper Companion free?
Which has better reviews, Brewmaster or shotStopper Companion?
Do Brewmaster or shotStopper Companion have ads?
Which is updated more often, Brewmaster or shotStopper Companion?
Other comparisons
