# Roastmaster vs CrackLog

The clearest difference is rating: CrackLog at 4.7 against Roastmaster's 3.9. CrackLog also leads on in-app purchases (none vs 7) and update cadence (monthly vs every 5 months). Roastmaster's advantage is ratings volume (32 vs 3). On price, ads, monetization model 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. CrackLog asks for nothing beyond the download.

CrackLog holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: Roastmaster has 32 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 79% of Roastmaster's written reviews are positive against 100% of CrackLog's.

Roastmaster ships an update every 5 months, CrackLog monthly. The most recent releases landed on October 22, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Roastmaster | CrackLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (32 ratings)](https://appshunter.io/ios/app/roastmaster/id375526217/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/cracklog-coffee-roast-log/id6794964893/reviews)** |
| Number of ratings | **32** | 3 |
| Positive reviews | 78.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 88 MB | 40 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rainfrog, Inc.](https://appshunter.io/developer/375526220) | [KYUNGHWAN KIM](https://appshunter.io/developer/6789523292) |

## 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


### CrackLog

[App page](https://appshunter.io/ios/app/cracklog-coffee-roast-log/id6794964893)

Manually log coffee roasting details in real-time, including temperature, crack events, and fan/power adjustments. Visualize your roast curves and save batches as cards for easy comparison and future reference. Export your data for safekeeping.

**Highlights:** Real-time roast curve drawing, Manual temperature and crack logging, Fan and power adjustment tracking, Batch card collection, Side-by-side roast comparison, Data export and import

**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 CrackLog free?

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

### Which has better reviews, Roastmaster or CrackLog?

CrackLog is rated higher. Roastmaster averages 3.9 out of 5 from 32 ratings, while CrackLog averages 4.7 from 3 ratings.

### Do Roastmaster or CrackLog have ads?

Neither Roastmaster nor CrackLog shows ads.

### Which is updated more often, Roastmaster or CrackLog?

Roastmaster ships an update every 5 months, and CrackLog monthly. Most recently, Roastmaster was updated on October 22, 2026 and CrackLog on October 23, 2026.

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