Comparison

Coffee 101 vs Eureka Prometheus User

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

Head to head
About

Coffee 101

Discover brewing guides for popular coffee makers, learn about grind sizes, roasts, and ratios. Find tool suggestions and explore recipes for various coffee drinks. Includes a built-in timer and ratio calculator.

Highlights
  • Brewing guides for multiple brewers
  • Coffee education (grind, roast, ratios)
  • Coffee tool suggestions
  • Coffee drink recipes
  • Built-in brewing timer
  • Ratio calculator
Features
Read full description

Coffee 101 is the ultimate coffee resource for iOS. This application provides you with brewing guides for some of the most popular brewers: Chemex, Hario V60, French Press, AeroPress, Cold Brew, Moka Pot, Espresso, and Turkish. Along with the Brew Guide, you will get an introductory course about Grind Sizes, Roasts, and Coffee Ratios. There are also suggestions on various Coffee Tools: Kettles, Brewers, Filters, Grinders, Scales, and Accessories. Need Recipes? There are categories for your favorites - such as Cappuccino, Frappe, Mocha, and Lattes. Coffee 101 also has a built in Timer that gives you the current step in your Brew Guide alongside the elapsed time. There is also a Ratio Calculator that will tell you how much Coffee to Water ratio you need by easily choosing how many cups you wish to make. Miss anything? Leave in-app feedback or contact us from the app as well!

About

Eureka Prometheus User

Remotely control your coffee grinder's settings, monitor its operation, and track consumption in real-time. Access exclusive recipes, personalize them to your taste, and view detailed statistics for efficient maintenance. Connect with your grinder anytime, anywhere.

Highlights
  • Remote adjustment of grinding parameters
  • Real-time operation and consumption monitoring
  • Exclusive, customizable coffee recipes
  • Detailed grinder performance statistics
  • Component condition monitoring for maintenance
  • Dedicated Customer Care section with FAQs
Read full description

The Iot Connectivity system ensures full access to the settings of your coffee grinder, with the possibility of remotely adjusting the grinding parameters, monitoring operation and consumption in real time. You will have access to recipes designed exclusively for your grinder, selecting the ones that best meet your tastes and personalizing them according to your preferences of the moment. Each statistic of your grinder will be available here, from the monitoring of performance by period and by ground coffee to the condition of the internal components, to allow you the most efficient maintenance possible. Finally, you will find an exclusive "Customer Care" section, with dedicated and customized videos and FAQs for your grinder. Wherever you are, you will always be in contact with your coffee grinder, interacting with it thanks to your Eureka Prometheus User, the app you will never be able to do without.

Screenshots

Coffee 1014 screens
Eureka Prometheus User4 screens

Verdict

The call

The clearest difference is rating: Coffee 101 at 4.9 against Eureka Prometheus User's 1.0. Coffee 101 also leads on ratings volume (7 vs 1). Eureka Prometheus User's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Coffee 101 holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Coffee 101 has 7 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Coffee 101 ships an update every 6 months, Eureka Prometheus User every 3 months. The most recent releases landed on August 4, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
Coffee 101 versus Eureka Prometheus User: the parameters behind the verdict, then further details
ParameterCoffee 101Eureka Prometheus User
PriceFreeFree
Rating4.9 (7 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings7 — better1
Update frequencyEvery 6 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size37 MB46 MB
Age rating4+4+
DeveloperJohn RylesConti Valerio Srl

Customer experience

Coffee 101

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Eureka Prometheus User

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Coffee 101

No in-app purchases

None

Eureka Prometheus User

No in-app purchases

Questions

Is Coffee 101 free?
Coffee 101 is free to download, with no in-app purchases.
Is Eureka Prometheus User free?
Eureka Prometheus User is free to download, with no in-app purchases.
Which has better reviews, Coffee 101 or Eureka Prometheus User?
Coffee 101 is rated higher. Coffee 101 averages 4.9 out of 5 from 7 ratings, while Eureka Prometheus User averages 1.0 from 1 ratings.
Do Coffee 101 or Eureka Prometheus User have ads?
Neither Coffee 101 nor Eureka Prometheus User shows ads.
Which is updated more often, Coffee 101 or Eureka Prometheus User?
Coffee 101 ships an update every 6 months, and Eureka Prometheus User every 3 months. Most recently, Coffee 101 was updated on August 4, 2026 and Eureka Prometheus User on September 9, 2026.

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