# Roastmaster vs IKAWA Pro

The clearest difference is review sentiment: Roastmaster at 79% against IKAWA Pro's 35%. Roastmaster also leads on rating (3.7 vs 3.3). IKAWA Pro's advantage is in-app purchases (none vs 7) and update cadence (every 2 weeks vs every 5 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Roastmaster sells 7 in-app purchases, starting at $4.99 per month. IKAWA Pro asks for nothing beyond the download.

Roastmaster holds the better App Store score, 3.7 against 3.3. Both are backed by a comparable volume of ratings — 29 and 12 respectively. Written reviews point the same way: 79% of Roastmaster's written reviews are positive against 35% of IKAWA Pro's.

Roastmaster ships an update every 5 months, IKAWA Pro every 2 weeks. The most recent releases landed on October 13, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Roastmaster | IKAWA Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (29 ratings)](https://appshunter.io/ios/app/roastmaster/id375526217/reviews)** | [3.3 (12 ratings)](https://appshunter.io/ios/app/ikawa-pro/id930831987/reviews) |
| Number of ratings | **29** | 12 |
| Positive reviews | **79.1% of reviews** | 34.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 88 MB | 124 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rainfrog, Inc.](https://appshunter.io/developer/375526220) | [IKAWA ltd.](https://appshunter.io/developer/930831986) |

## What reviewers say

### Roastmaster

[App page](https://appshunter.io/ios/app/roastmaster/id375526217)

This app helps coffee roasters achieve consistent, perfect cups by tracking roast data, managing green bean inventory, and facilitating blend creation. It offers detailed reporting, visual analysis tools, and optional thermocouple integration for automated roasting.

**Highlights:** Roast data tracking and analysis, Green bean inventory management, Blend creation and experimentation, Cupping score recording, Automated roast reminders, Roaster maintenance scheduling, Optional thermocouple data logging

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $4.99 | per month |
| Pro Monthly | $19.99 | per month |
| Premium Monthly | $39.99 | per month |
| Basic Yearly | $49.99 | per year |
| Pro Yearly | $199.99 | per year |
| Premium Yearly | $399.99 | per year |
| Data Logging | $14.99 | one-time |

**What reviewers like**

- 👍 Comprehensive logging and tracking
- 👍 Great for consistency
- 👍 Feature-rich
- 👍 Useful for business and hobbyists
- 👍 Good developer support (historical)

**What reviewers complain about**

- 👎 Sudden subscription model
- 👎 Previously paid features now require subscription
- 👎 Locked out long-time users
- 👎 Dated interface (mentioned by some)
- 👎 Not intuitive (mentioned by some)

**Reported bugs**

- App crashes
- Cannot connect to Bluetooth probe (specific machine)
- Cannot connect to cloud
- Increase Contrast iOS setting obscures preference settings
- App is no longer usable without buying entitlements

**Requested features**

- Add development percentage to roast screen
- Ability to store low to medium resolution image with a roast
- Ability to make a blend from existing roasts
- Support for cheaper, off-the-shelf Bluetooth probe thermometers
- Copy roast including data curve


### IKAWA Pro

[App page](https://appshunter.io/ios/app/ikawa-pro/id930831987)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Roastmaster free?

Roastmaster is free to download, with in-app purchases available.

### Is IKAWA Pro free?

IKAWA Pro is free to download, with no in-app purchases.

### Which has better reviews, Roastmaster or IKAWA Pro?

Roastmaster is rated higher. Roastmaster averages 3.7 out of 5 from 29 ratings, while IKAWA Pro averages 3.3 from 12 ratings.

### Do Roastmaster or IKAWA Pro have ads?

Neither Roastmaster nor IKAWA Pro shows ads.

### Which is updated more often, Roastmaster or IKAWA Pro?

Roastmaster ships an update every 5 months, and IKAWA Pro every 2 weeks. Most recently, Roastmaster was updated on October 13, 2026 and IKAWA Pro on September 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*