IKAWA Pro vs Brewmaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IKAWA Pro
This app enables precise, repeatable coffee sample roasting with digital control. Design, edit, and share roast profiles, and access a global library for consistent results across teams and locations. It automates heat and airflow for hands-free operation.
- Digital roast profile design and editing
- Automated heat and airflow control
- Global roast profile library access
- Profile sharing with colleagues
- Hands-free roasting execution
- Roast data logging and history
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IKAWA’s Sample Roaster is enabling consistent, repeatable roasting by using digital precision. It improves quality, saves time and encourages collaboration and learning through profile sharing. SMARTER SAMPLE ROASTING The IKAWA Sample Roaster will automatically adjust heat and airflow to match your roast profile. This means consistency between your roasts and everyone else on the team, over and over again. Design and edit roast profiles with up to 20 temperature points and 10 fan points, then repeat roasts or fine tune your roast profiles. Edit profiles for the Exhaust Temperature Sensor, Inlet Sensor, and airflow with up to 20 control points on each line. ONLINE ROAST PROFILE LIBRARY IKAWA Sample Roaster profiles are shareable, and you can access our global roast profile library or share your own with your colleagues. HANDS FREE ROASTING WITH DIGITAL PRECISION AND CONTROL The IKAWA Pro App delivers hands free roasting with the incredible precision and control. Set a profile on the app, press go and the roaster will execute that roast with precision. CREATING A COMMON LANGUAGE Not only will you have access to our Roast Profile Library with profiles from around the world, but you can create a company set of roasts. This means from location to location, day to day, the roasts you and your team sample are the same. Save and share profiles and roast history, including; Colour Change, First Crack, Development Time Ratio, Rate of Rise graph, Roast Data CSV, Photos and Notes IKAWA’s patented Sample Rosters and designed and manufactured in our London workshop. To learn more, please visit www.ikawacoffee.com/for-professionals
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.
Screenshots
Verdict
The clearest difference is rating: IKAWA Pro at 3.3 against Brewmaster's 1.7. IKAWA Pro also leads on review sentiment (35% vs 17%) and device support (3 vs 1). On price, ratings volume, update cadence and ads 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.
IKAWA Pro holds the better App Store score, 3.3 against 1.7. Both are backed by a comparable volume of ratings — 12 and 18 respectively. Written reviews point the same way: 35% of IKAWA Pro's written reviews are positive against 17% of Brewmaster's.
IKAWA Pro ships an update every 2 weeks, Brewmaster monthly. The most recent releases landed on August 25, 2026 and August 13, 2026 respectively.
| Parameter | IKAWA Pro | Brewmaster |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (12 ratings) — better | 1.7 (18 ratings) |
| Positive reviews | 34.8% of reviews — better | 16.7% of reviews |
| Number of ratings | 12 | 18 — better |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 124 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | IKAWA ltd. | acaia |
Customer experience
IKAWA Pro
Brewmaster
In-app purchases
IKAWA Pro
No in-app purchases
Brewmaster
No in-app purchases









