IKAWA Pro vs PieSlicer
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
PieSlicer
This app uses augmented reality to guide you in cutting perfectly equal slices of pie. Simply point your camera, mark the center and edge, and specify the number of slices for precise cutting lines.
- Augmented reality pie slicing
- Camera-based AR guide
- Customizable slice count
- Precise cutting lines
- Holiday pie preparation
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Use your camera to create an AR guide for cutting the perfect sized slices this Thanksgiving holiday. Point your camera, tap the center and edge of the pie, and select the number of slices. Then simply cut along the lines.
Screenshots
Verdict
The clearest difference is price: IKAWA Pro at Free against PieSlicer's $0.99. IKAWA Pro also leads on update cadence (every 2 weeks vs every 8 months) and ratings volume (12 vs 3). PieSlicer's advantage is rating (5.0 vs 3.3). On ads, in-app purchases, device support and iOS requirement 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
IKAWA Pro is free to download; PieSlicer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
PieSlicer holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 12 and 3 respectively.
IKAWA Pro ships an update every 2 weeks, PieSlicer every 8 months. The most recent releases landed on August 25, 2026 and September 8, 2026 respectively.
| Parameter | IKAWA Pro | PieSlicer |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.3 (12 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 34.8% of reviews | — |
| Number of ratings | 12 — better | 3 |
| Update frequency | Every 2 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 124 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | IKAWA ltd. | Justin Carter |
Customer experience
IKAWA Pro
PieSlicer
In-app purchases
IKAWA Pro
No in-app purchases
PieSlicer
No in-app purchases









