Comparison

Roast Master vs Judith

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Roast Master

Features
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Roast Master puts your roasting data and an AI coach in one app. Log every roast, see it clearly, and get AI coaching on exactly what to change next — batch after batch. AI ROASTING COACH Roast, log your curve, and AI analyzes it — your temperature curve, your events, your cupping — then gives you a focused, practical tip for your next batch. It's like having an experienced roaster review the roast with you and tell you exactly what to try next. SEE YOUR ROASTING DATA Every roast, captured and visualized: • Full temperature curves — Bean Temp, Environmental Temp, and Rate of Rise • Key events — charge, first crack, drop — with development time (DTR) • SCA-style cupping scores: aroma, flavor, acidity, body, balance, sweetness, and more • Agtron roast color readings YOUR ROASTING DASHBOARD • Roast DNA: flavor radar, Agtron distribution, and DTR gauges • Cupping trends over time and batch comparisons • Activity heatmap to see your roasting rhythm at a glance FOR ROASTERS WHO WANT TO IMPROVE Every batch becomes data you can review and compare — with AI helping you turn it into your next, better roast. FREE & PREMIUM • Free: roast logging, curves, cupping, dashboard, and PDF export • Premium: a generous allowance of AI Coaching sessions Export any roast to PDF, free. No ads. Start roasting smarter today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://roast-master.app/privacy

About

Judith

Your personal AI sommelier helps you discover wines, remember past favorites, and organize your collection. Get personalized recommendations and tasting notes with an elegant interface designed for wine lovers.

Highlights
  • AI-powered wine recommendations
  • Natural language conversations
  • Label recognition and information
  • Personal wine collection management
  • Search and filter tasting history
  • Personalized wine queries
Features
Read full description

Meet Judith, your personal AI sommelier. Show her a photo of your dish and Judith picks the right wine. That simple. FREE, ALWAYS • Talk to Judith — your sommelier's chat. Photograph the dish and get the pairing on the spot, ask about grapes, vintages and regions, or ask for a suggestion for any occasion: a dinner, a gift, a barbecue. • Speak instead of typing. Tap the microphone and ask out loud — Judith understands wine words, and you review the text before sending. WITH A SUBSCRIPTION, YOUR WINE LIFE GETS ORGANIZED • Remember a Wine — photograph the label and Judith identifies it and keeps it for you, including where you tasted it. • My Cellar — the bottles you have at home, with charts by country, grape, type and rating. • Wines I've Tasted — your personal journal, with your notes and ratings. • Chat with my Cellar — ask "what should I open tonight?" and get an answer drawn from what you already have. • Read the restaurant's wine list — point the camera at the list and let Judith guide your choice. A refined interface, built for people who love wine. Personal recommendations, not generic lists. One place to discover, choose and remember. Judith speaks English, Portuguese and Spanish — and answers in the language of your phone. Please drink responsibly. Judith is a companion for enjoying wine with more pleasure and knowledge. Annual plan with a free trial period. The subscription renews automatically until canceled, and you can cancel any time in your account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Roast Master4 screens
Judith4 screens

Verdict

The call

The clearest difference is in-app purchases: Roast Master at none against Judith's 1. Roast Master also leads on iOS requirement (13.0 vs 16.6). Judith's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Judith sells 1 in-app purchase, starting at $5.99 per year. Roast Master asks for nothing beyond the download.

UpkeepUpdate frequency

Roast Master ships an update every 2 weeks, Judith every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Roast Master versus Judith: the parameters behind the verdict, then further details
ParameterRoast MasterJudith
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better16.6
Further details — not scored
Size66 MB5 MB
Age rating4++17
DeveloperSeokmin BangEDUARDO ROMEU PRATA GODINHO

In-app purchases

None

Roast Master

No in-app purchases

1 purchases

Judith

Subscriptions1
  • Judith Premium7 Days trial$5.991 Year

Questions

Is Roast Master free?
Roast Master is free to download, with no in-app purchases.
Is Judith free?
Judith is free to download, with in-app purchases available.
Do Roast Master or Judith have ads?
Neither Roast Master nor Judith shows ads.
Which is updated more often, Roast Master or Judith?
Roast Master ships an update every 2 weeks, and Judith every 4 days. Most recently, Roast Master was updated on November 5, 2026 and Judith on October 31, 2026.

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