Boca BT vs Coffee DTR Timer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Boca BT
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This is an app for use with 'Bocaboca Bluetooth' devices. When you click the connect button, it will connect to the device. After that, you can record the roasting process with buttons such as 'Preheat' and 'Inject'. You can set the language by clicking the settings button.
Coffee DTR Timer
This app helps coffee roasters time their roasts accurately. It allows users to input roaster, bean, and weight details, then track key stages like yellowing and first crack. The timer calculates development time, weight loss, and provides a roast summary for logging.
- Roast stage timing (Yellowing, First Crack, Drop)
- Live Development Time (DTR) calculation
- Weight loss calculation
- Roast history logging
- Favorite and delete roasts
- Custom roaster and bean input
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This simple coffee roast timer is used with your roaster of choice. Add your roaster name, bean name and green weight with units on the setup screen. On the timer screen hit start when you start your roast. Tap the Yellowing button when the beans start to turn yellow and the drying phase time is saved. Tap First Crack at the sound of first crack and the Maillard phase time is saved and live DTR is enabled allowing to dial in development time! Tap Drop/End and the development time along with DTR, maillard time, time to first crack and total roast time are shown to allow you to log your roast information. Add roasted weight and weight loss is calculated. Save roast will add to roast history and display the roast summary screen. On the history screen the user can favorite or delete roasts from the history.
Screenshots
Verdict
The clearest difference is update cadence: Coffee DTR Timer at every 9 days against Boca BT's every 3 weeks. Boca BT's advantage is iOS requirement (13.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Boca BT ships an update every 3 weeks, Coffee DTR Timer every 9 days. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.
| Parameter | Boca BT | Coffee DTR Timer |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 100.0% of reviews |
| Update frequency | Every 3 weeks | Every 9 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | β | Free |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 13.0 β better | 18.5 |
| Further details β not scored | ||
| Size | 25 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | san song | Mike Whaley |
In-app purchases
Boca BT
No in-app purchases
Coffee DTR Timer
No in-app purchases
