RoastSignal vs DialHub
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
RoastSignal
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RoastSignal helps home coffee roasters track roast sessions, record roast milestones, save roast history, and receive AI-assisted roast feedback. The app does not require an account or login. Core workflow: 1. Configure a roast setup or Quick Start Preset 2. Start a roast timer 3. Record roast milestones 4. Review AI analysis 5. Save roast history 6. Export or share roast results Camera and photo access are optional and used only when the user chooses to analyze bean or roast photos. The Coffee Expert feature requires an internet connection.
DialHub
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DialHub is the coffee OS for home baristas who want to dial in faster β not just log shots and forget them. Built around your exact machine, grinder, and beans, so advice and history stay tied to your real setup. YOUR COFFEE BAR Save your espresso machine, grinder, scale, and tools. Your gear becomes the foundation for logging, recipes, and coaching. BREW LOG & JOURNAL Track dose, yield, time, temperature, grind, ratio, and more. Build a clear history of what actually worked. DIAL-IN & BREW COACH Get a simple next step from your recent brews on this coffee and setup β keep whatβs working, or change one variable with a reason. RECIPES & EXPERIMENTS Save recipes per coffee, compare versions, and run focused tests without losing the thread of what changed. BEANS & TASTING Organize coffees by origin, roast, and process. Rate flavor with more than stars β sweetness, acidity, body, bitterness, and notes. LEARN & CONNECT Short lessons when you want them, plus a community to share recipes and results. One place for your bar, beans, recipes, logs, and next brew. Brew. Log. Dial in. Repeat. DIALHUB PRO Optional auto-renewable subscription. Monthly: $7.99 Yearly: $69.99 Pro remembers your starting point per coffee, machine, and grinder, unlocks full Coach Brew, Recipe Lab, and higher AI / bag-scan limits. Payment is charged to your Apple ID at confirmation. The subscription renews automatically unless you cancel at least 24 hours before the end of the current period. Manage or cancel in Settings β Apple Account β Subscriptions. Any unused portion of a free trial is forfeited when you buy a subscription. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: RoastSignal at none against DialHub's 2. RoastSignal also leads on ads (none vs shown). DialHub's advantage is update cadence (every 3 days vs every 10 days). On price, 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. DialHub sells 2 in-app purchases, starting at $7.99 per month. RoastSignal asks for nothing beyond the download.
RoastSignal ships an update every 10 days, DialHub every 3 days. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.
| Parameter | RoastSignal | DialHub |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days | Every 3 days β better |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 15.1 | 15.0 β better |
| Further details β not scored | ||
| Size | 26 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Ankur Agarwal | KEYON JAHDIEL CRESPO RODRIGUEZ |
In-app purchases
RoastSignal
No in-app purchases
DialHub
- DialHub Pro7 Days trial$7.991 Month
- DialHub Pro7 Days trial$69.991 Year









