HardTank vs Eureka Prometheus User
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HardTank
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You can start your machine and load various cold brew coffee, tea, or cascara recipes. Not sure how much time left until the end of your cold brew production? Real-time watch on your app lets you stay updated with your cold brew recipe. HardTank app shows statistics about your previous cycles, giving you insights into your recipes. Features: - remote control of all the HardTank programs - creation of custom recipes - recipe build-in memory - statistics log - real-time status updates To get to know our products better check out our website: www.hardtank.com
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.
- 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
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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
Verdict
The clearest difference is update cadence: Eureka Prometheus User at every 3 months against HardTank's every 9 months. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HardTank ships an update every 9 months, Eureka Prometheus User every 3 months. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.
| Parameter | HardTank | Eureka Prometheus User |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 30 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Hard Beans Coffee Roasters Sp. z o.o. | Conti Valerio Srl |
In-app purchases
HardTank
No in-app purchases
Eureka Prometheus User
No in-app purchases
Questions
Is HardTank free?
Is Eureka Prometheus User free?
Do HardTank or Eureka Prometheus User have ads?
Which is updated more often, HardTank or Eureka Prometheus User?
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