Coffee DTR Timer vs RoastEar
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
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.
RoastEar
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First crack can be hard to hear over a fan. RoastEar gives home coffee roasters a focused timer, large milestone controls, and optional acoustic assistance that listens alongside you. YOU STAY IN CONTROL Mark charge, dry end, first crack, second crack, drop, and cool by hand. When acoustic assistance is enabled, RoastEar analyzes microphone input on your device and may suggest first- or second-crack timing. Confirm or correct every suggestion. The timer and manual controls work without microphone access or a subscription. BUILT FOR THE ROAST β’ A large clock and controls designed for quick glances β’ Session-specific noise calibration and adjustable sensitivity β’ Live crack-rate context rather than a generic loudness meter β’ Development time and development ratio β’ Manual bean-temperature logging with temperature curves and rate of rise β’ Weight loss, ratings, roast notes, and cupping notes β’ Import an Artisan roast free. Pro unlocks unlimited roast history and export. β’ Optional retained audio for your own review PRIVATE BY DESIGN Audio analysis runs on your device. RoastEar does not serve ads or track users across unrelated apps, and no RoastEar account is required. RevenueCat receives pseudonymous Apple purchase and entitlement metadata for Pro access, restoration, and subscription analytics; no roast or audio data is sent to it. A separate legal-record service retains your legal choice and receipt, document versions, and pseudonymous installation identityβnot your roast or audio content. Optional retained audio stays only on the originating device, is excluded from device backups, and leaves only when you explicitly share it. Roast records use your private iCloud database when iCloud is available. ROASTEAR PRO Import an Artisan roast free. Pro unlocks unlimited roast history and export. The free version also includes the manual timer, calculators, and one saved roast. Acoustic results depend on the roaster, batch, device placement, microphone, and surrounding noise. RoastEar is a logging companion, not a safety monitor. Never leave a roaster unattended. Terms of Use: https://www.uncommonweather.com/legal/apps/roastear-terms.html Privacy Policy: https://www.uncommonweather.com/legal/apps/roastear-privacy.html Product Schedule: https://www.uncommonweather.com/legal/roastear.html
Screenshots
Verdict
The clearest difference is in-app purchases: Coffee DTR Timer at none against RoastEar's 2. Coffee DTR Timer also leads on update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement 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. RoastEar sells 2 in-app purchases, starting at $3.99 per month. Coffee DTR Timer asks for nothing beyond the download.
Coffee DTR Timer ships an update every 9 days, RoastEar every 3 weeks. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.
| Parameter | Coffee DTR Timer | RoastEar |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Every 9 days β better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Monetization | Free | β |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.5 | 18.0 β better |
| Further details β not scored | ||
| Size | 1 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Whaley | Ryan Tinklepaugh |
In-app purchases
Coffee DTR Timer
No in-app purchases
RoastEar
- RoastEar Pro Monthly3 Days trial$3.991 Month
- RoastEar Pro Annual7 Days trial$24.991 Year








