# Danfoss Eco vs 3daysofdesign

The clearest difference is update cadence: 3daysofdesign at every 5 days against Danfoss Eco's every 6 months. Danfoss Eco's advantage is iOS requirement (11.0 vs 17.0). 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.

Danfoss Eco ships an update every 6 months, 3daysofdesign every 5 days. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Danfoss Eco | 3daysofdesign |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (43 ratings)](https://appshunter.io/ios/app/danfoss-eco/id1195035757/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 30.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 33 MB | 47 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [3 Days Of Design ApS](https://appshunter.io/developer/1453507202) |

## What reviewers say

### Danfoss Eco

[App page](https://appshunter.io/ios/app/danfoss-eco/id1195035757)

Control your home radiator heating remotely via Bluetooth. Adjust temperatures to match your schedule and save energy with automatic adjustments. This app is ideal for apartments or smaller homes.

**Highlights:** In-home radiator heating control via Bluetooth, Intuitive temperature adjustment, Set schedules for comfort and energy saving, Demo mode for trying before buying, Remote control up to 10 meters

**Features:** macOS Compatibility

**In-app purchases:** none


### 3daysofdesign

[App page](https://appshunter.io/ios/app/3daysofdesign/id6744313487)

**In-app purchases:** none


## Frequently asked questions

### Is Danfoss Eco free?

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

### Is 3daysofdesign free?

3daysofdesign is free to download, with no in-app purchases.

### Do Danfoss Eco or 3daysofdesign have ads?

Neither Danfoss Eco nor 3daysofdesign shows ads.

### Which is updated more often, Danfoss Eco or 3daysofdesign?

Danfoss Eco ships an update every 6 months, and 3daysofdesign every 5 days. Most recently, Danfoss Eco was updated on October 10, 2026 and 3daysofdesign on October 8, 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.*