# RoastSignal vs CrackLog

The clearest difference is in-app purchases: RoastSignal at none against CrackLog's 1. RoastSignal also leads on update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CrackLog sells 1 one-off in-app purchase. RoastSignal asks for nothing beyond the download.

RoastSignal ships an update every 10 days, CrackLog every 3 weeks. The most recent releases landed on October 19, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | RoastSignal | CrackLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/cracklog-coffee-roast-log/id6794964893/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 40 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ankur Agarwal](https://appshunter.io/developer/6772143776) | [KYUNGHWAN KIM](https://appshunter.io/developer/6789523292) |

## What reviewers say

### RoastSignal

[App page](https://appshunter.io/ios/app/roastsignal/id6772143774)

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

**In-app purchases:** none


### 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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Roaster's Kit | $7.99 | one-time |


## Frequently asked questions

### Is RoastSignal free?

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

### Is CrackLog free?

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

### Do RoastSignal or CrackLog have ads?

Neither RoastSignal nor CrackLog shows ads.

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

RoastSignal ships an update every 10 days, and CrackLog every 3 weeks. Most recently, RoastSignal was updated on October 19, 2026 and CrackLog on October 29, 2026.

---

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