# Coffee 101 vs Eureka Prometheus User

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | Coffee 101 | Eureka Prometheus User |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/coffee-101/id1466306762/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/eureka-prometheus-user/id1611332719/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 37 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Ryles](https://appshunter.io/developer/622397853) | [Conti Valerio Srl](https://appshunter.io/developer/1611332721) |

## What reviewers say

### Coffee 101

[App page](https://appshunter.io/ios/app/coffee-101/id1466306762)

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:** macOS Compatibility

**In-app purchases:** none


### Eureka Prometheus User

[App page](https://appshunter.io/ios/app/eureka-prometheus-user/id1611332719)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*