Comparison

Timer.Coffee vs Coffee Master

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

Head to head
About

Timer.Coffee

This app provides a free, open-source timer and calculator for coffee brewing, offering step-by-step instructions for numerous methods. It allows users to adjust quantities, save grind settings, and track their brewing history. Enjoy real-time community insights and share your own custom recipes.

Highlights
  • 22 Brewing Methods
  • Coffee Calculator
  • Custom Grind Size
  • Background Brewing
  • Live Activities
  • Create & Share Recipes
  • Brew Diary
  • Bean Tracking
Features
Read full description

Timer.Coffee is a free, open-source coffee brewing timer and calculator designed to enhance your brewing experience. The app is completely free. Optional in-app donations support ongoing development and never affect access to features. Key Features - 27 Brewing Methods: Step-by-step instructions for Hario V60, AeroPress, Chemex, French Press, Clever Dripper, Kalita Wave, Wilfa Svart Pour Over, Origami Dripper, Hario Switch, and more. - Coffee Calculator: Adjust coffee and water quantities on the fly. - Custom Grind Size: Save your grind settings per recipe — never forget your Comandante clicks again. - Background Brewing: The timer keeps running accurately when you minimize the app — switch apps or check a message without losing your place. - Live Activities: Follow your brew step-by-step on the Lock Screen and in the Dynamic Island without unlocking your phone. - Pulse: See what coffee lovers around the world are brewing right now, in real time. - Create & Share Recipes: Build your own brewing recipes and share them with the community. - Brew Diary: Automatically save timer-guided brews or add entries manually, with notes, ratings, taste, tags, grind, water temperature, and extraction. - Bean Tracking: Manage your coffee bean inventory with AI-powered label recognition. - Favorites: Quick access to your most-used recipes. - Audio Chime: Audio alerts for every brewing step. - Dial In Your Beans: Search and filter your history, bookmark best cups, compare attempts, follow bean journeys, and review monthly progress. - Device Sync: Recipes, beans, and brews synced across all your devices. - 22 Languages: Fully localized for a global audience. - Dark Mode: Easy on the eyes at any hour.

About

Coffee Master

Scan your coffee bag and get a personalized brewing recipe tailored to its origin, roast, and your equipment. Track your brews, save favorite coffees, and share recipes with others.

Highlights
  • AI-powered bean analysis
  • Customizable brewing recipes
  • Grinder click setting calibration
  • Support for 6 brewing methods
  • Personal coffee library
  • Brew logging and notes
  • Recipe sharing
Features
Read full description

Scan any specialty coffee bag. The AI reads origin, roast, and process — then builds a complete recipe made for THAT bean and YOUR equipment. Every coffee is different. A washed Ethiopian needs different parameters than a natural Brazilian. CoffeeMaster knows the difference and adjusts the recipe automatically. HOW IT WORKS 1. Snap a photo of any coffee bag 2. AI extracts origin, altitude, process, roast level, and tasting notes 3. Pick your method and grinder 4. Get a complete recipe: dose, water, temperature, timing, and exact grind setting BEAN-SPECIFIC RECIPES Not a generic "V60 recipe." Each recipe is calculated from the actual characteristics of your coffee. The same V60, different bean, different recipe. YOUR GRINDER. YOUR CLICKS. Stop Googling "medium-fine." CoffeeMaster knows 20+ grinders from Comandante, 1Zpresso, Timemore, Kinu, KINGrinder, and Hario — and calculates the exact click setting for every coffee. 6 BREWING METHODS V60 · Chemex · AeroPress · French Press · Espresso · Moka Pot. Configure size and variants to match your setup. YOUR COFFEE LIBRARY Every coffee you scan, every recipe you generate — saved. Track freshness, mark favorites, and re-brew any coffee with the same recipe. BREW LOG Rate each brew. Add notes. Track what works and what to adjust next time. SHARE YOUR RECIPES Found a great recipe? Share it with friends or the community with a single tap. BUILT FOR SPECIALTY COFFEE Local roaster, subscription box, souvenir from Tokyo — if the bag has coffee info, CoffeeMaster can read it. Terms of Use (EULA): https://coffeemaster.app/terms Privacy Policy: https://coffeemaster.app/privacy

Screenshots

Timer.Coffee4 screens
Coffee Master4 screens

Verdict

The call

The clearest difference is review sentiment: Timer.Coffee at 100% against Coffee Master's 0%. Timer.Coffee also leads on rating (5.0 vs 1.0) and ratings volume (135 vs 1). Coffee Master's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement 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. Timer.Coffee sells 3 one-off in-app purchases. Coffee Master asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Timer.Coffee holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Timer.Coffee has 135 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Timer.Coffee's written reviews are positive against 0% of Coffee Master's.

UpkeepUpdate frequency

Timer.Coffee ships an update every 10 days, Coffee Master every 2 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

Scorecard6 real differences · 4 level
Timer.Coffee versus Coffee Master: the parameters behind the verdict, then further details
ParameterTimer.CoffeeCoffee Master
PriceFreeFree
Rating5.0 (135 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings135 — better1
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size56 MB47 MB
Age rating4+4+
DeveloperAnton KarlinerKenaro Ltd

Customer experience

Timer.Coffee

All ratings134 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews30 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Coffee Master

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

3 purchases

Timer.Coffee

One-time3
  • Buy a small coffee$1.99
  • Buy a medium coffee$4.99
  • Buy a large coffee$9.99
None

Coffee Master

No in-app purchases

Questions

Is Timer.Coffee free?
Timer.Coffee is free to download, with in-app purchases available.
Is Coffee Master free?
Coffee Master is free to download, with no in-app purchases.
Which has better reviews, Timer.Coffee or Coffee Master?
Timer.Coffee is rated higher. Timer.Coffee averages 5.0 out of 5 from 135 ratings, while Coffee Master averages 1.0 from 1 ratings.
Do Timer.Coffee or Coffee Master have ads?
Neither Timer.Coffee nor Coffee Master shows ads.
Which is updated more often, Timer.Coffee or Coffee Master?
Timer.Coffee ships an update every 10 days, and Coffee Master every 2 months. Most recently, Timer.Coffee was updated on October 15, 2026 and Coffee Master on October 13, 2026.

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