Comparison

IKAWA Pro vs PieSlicer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

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.

Highlights
  • Augmented reality pie slicing
  • Camera-based AR guide
  • Customizable slice count
  • Precise cutting lines
  • Holiday pie preparation
Features
Read full description

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

IKAWA Pro4 screens
PieSlicer3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
IKAWA Pro versus PieSlicer: the parameters behind the verdict, then further details
ParameterIKAWA ProPieSlicer
PriceFree — better$0.99
Rating3.3 (12 ratings)5.0 (3 ratings) — better
Positive reviews34.8% of reviews—
Number of ratings12 — better3
Update frequencyEvery 2 weeks — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size124 MB0 MB
Age rating4+4+
DeveloperIKAWA ltd.Justin Carter

Customer experience

IKAWA Pro

All ratings12 ratings
Positive58.3%
Neutral8.3%
Negative33.3%
Written reviews23 reviews
Positive34.8%
Neutral8.7%
Negative56.5%

PieSlicer

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

IKAWA Pro

No in-app purchases

None

PieSlicer

No in-app purchases

Questions

Is IKAWA Pro free?
IKAWA Pro is free to download, with no in-app purchases.
Is PieSlicer free?
PieSlicer costs $0.99, with no in-app purchases.
Which has better reviews, IKAWA Pro or PieSlicer?
PieSlicer is rated higher. IKAWA Pro averages 3.3 out of 5 from 12 ratings, while PieSlicer averages 5.0 from 3 ratings.
Do IKAWA Pro or PieSlicer have ads?
Neither IKAWA Pro nor PieSlicer shows ads.
Which is updated more often, IKAWA Pro or PieSlicer?
IKAWA Pro ships an update every 2 weeks, and PieSlicer every 8 months. Most recently, IKAWA Pro was updated on August 25, 2026 and PieSlicer on September 8, 2026.

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