# DFF app vs Cordivari Heat Manager

The clearest difference is update cadence: Cordivari Heat Manager at every 9 months against DFF app's every 42 months. DFF app's advantage is iOS requirement (12.0 vs 14.2). On price, ads, in-app purchases and device support there is nothing between them.

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

DFF app ships an update every 42 months, Cordivari Heat Manager every 9 months. The most recent releases landed on October 27, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | DFF app | Cordivari Heat Manager |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 9 months** |
| Monetization | — | Free |
| Size | 32 MB | 104 MB |
| Requires iOS | **12.0** | 14.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duepi Group srl](https://appshunter.io/developer/979524896) | [CORDIVARI Srl](https://appshunter.io/developer/834852100) |

## What reviewers say

### DFF app

[App page](https://appshunter.io/ios/app/dff-app/id1534583111)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cordivari Heat Manager

[App page](https://appshunter.io/ios/app/cordivari-heat-manager/id1541156533)

Control and monitor your hot water tanks, electric heaters, and solar thermal systems remotely. This app allows you to set temperatures and operating times for your connected devices via a smart controller and Wi-Fi network.

**Highlights:** Remote management of hot water tanks, Control electric heaters, Monitor solar thermal systems, Set temperature and operating times, Wi-Fi network integration, Web application access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DFF app free?

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

### Is Cordivari Heat Manager free?

Cordivari Heat Manager is free to download, with no in-app purchases.

### Do DFF app or Cordivari Heat Manager have ads?

Neither DFF app nor Cordivari Heat Manager shows ads.

### Which is updated more often, DFF app or Cordivari Heat Manager?

DFF app ships an update every 42 months, and Cordivari Heat Manager every 9 months. Most recently, DFF app was updated on October 27, 2026 and Cordivari Heat Manager on October 19, 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.*