# Rock Fan vs EasyFPU

The clearest difference is rating: Rock Fan at 5.0 against EasyFPU's 4.0. Rock Fan also leads on iOS requirement (13.0 vs 17.6). EasyFPU's advantage is update cadence (every 3 weeks vs every 5 months). On price, ratings volume, 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.

Rock Fan holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Rock Fan ships an update every 5 months, EasyFPU every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Rock Fan | EasyFPU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rock-fan/id1469343878/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/easyfpu/id1529949520/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 108 MB | 17 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ROCKWOOL BUILDING MATERIALS (SINGAPORE) PTE. LTD.](https://appshunter.io/developer/1273602838) | [Ulrich Rueth](https://appshunter.io/developer/1529949522) |

## What reviewers say

### Rock Fan

[App page](https://appshunter.io/ios/app/rock-fan/id1469343878)

This app allows ROCKWOOL customers to earn points by purchasing products, which can then be redeemed for vouchers and services. Stay updated on the latest news, announcements, and special campaigns from ROCKWOOL.

**Highlights:** Earn points on ROCKWOOL product purchases, Redeem points for vouchers and services, Receive news and announcements, Participate in special campaigns, Track accumulated points

**Features:** macOS Compatibility

**In-app purchases:** none


### EasyFPU

[App page](https://appshunter.io/ios/app/easyfpu/id1529949520)

This app helps individuals, particularly those with Type 1 Diabetes, calculate complex meal components like sugars, carbs, and fat-protein-units (FPUs). It aids in understanding absorption times and integrates with Apple Health for data synchronization.

**Highlights:** Calculate sugars, carbs, and fat-protein-units (FPUs), Estimate e-carb absorption times, Create and manage personal dishes, Search OpenFoodFacts database, Scan product barcodes, Sync food lists via iCloud, Store data in Apple Health

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rock Fan free?

Rock Fan is free to download, with no in-app purchases.

### Is EasyFPU free?

EasyFPU is free to download, with no in-app purchases.

### Which has better reviews, Rock Fan or EasyFPU?

Rock Fan is rated higher. Rock Fan averages 5.0 out of 5 from 1 ratings, while EasyFPU averages 4.0 from 2 ratings.

### Do Rock Fan or EasyFPU have ads?

Neither Rock Fan nor EasyFPU shows ads.

### Which is updated more often, Rock Fan or EasyFPU?

Rock Fan ships an update every 5 months, and EasyFPU every 3 weeks. Most recently, Rock Fan was updated on November 3, 2026 and EasyFPU on November 3, 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.*