Brewmaster vs Hikaru Brew
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.
Hikaru Brew
Control your smart coffee brewer with this app. Monitor brewing status, access a variety of recipes, and create your own custom blends. It also provides guided setup and maintenance support for your coffee machine.
- Real-time machine status monitoring
- Access built-in and master-crafted recipes
- Create and import custom recipes
- Guided setup and maintenance
- Ice drip coffee brewing support
- Share recipes via QR code
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Designed for the Hiroia Hikaru coffee brewer, this app makes consistent, delicious pour-over coffee a one-tap affair. Key features - One-tap brewing: four recipe slots — S, M, L and P — with 9 preset recipes built in, switched anytime - Hiroia Selects: recipes from coffee professionals, ready to brew - Live Brew: adjust the flow rate as you pour, then save it as a recipe - Brew Sequence and Ice Drip: let the machine do the work - Machine status at a glance, plus help with initial setup, machine calibration, descaling and draining Advanced features (login required) - Create and save your own recipes
Screenshots
Verdict
The clearest difference is rating: Hikaru Brew at 3.0 against Brewmaster's 1.7. Hikaru Brew also leads on review sentiment (36% vs 17%). Brewmaster's advantage is ratings volume (18 vs 4). On price, update cadence, ads and in-app purchases 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.
Hikaru Brew holds the better App Store score, 3.0 against 1.7. Both are backed by a comparable volume of ratings — 18 and 4 respectively. Written reviews point the same way: 17% of Brewmaster's written reviews are positive against 36% of Hikaru Brew's.
Brewmaster ships an update monthly, Hikaru Brew every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | Brewmaster | Hikaru Brew |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (18 ratings) | 3.0 (4 ratings) — better |
| Positive reviews | 17.5% of reviews | 36.4% of reviews — better |
| Number of ratings | 18 — better | 4 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.6 | 15.5 — better |
| Further details — not scored | ||
| Size | 26 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | acaia | HIROIA Communications Pte. Ltd. |
Customer experience
Brewmaster
Hikaru Brew
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
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- 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
Hikaru Brew
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Brewmaster
No in-app purchases
Hikaru Brew
No in-app purchases
