# Danfoss Ally™ vs Sinna

The clearest difference is review sentiment: Sinna at 100% against Danfoss Ally™'s 41%. Sinna also leads on rating (5.0 vs 4.3) and update cadence (every 2 weeks vs every 3 months). Danfoss Ally™'s advantage is ratings volume (22 vs 1) and iOS requirement (12.2 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Sinna holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Danfoss Ally™ has 22 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 41% of Danfoss Ally™'s written reviews are positive against 100% of Sinna's.

Danfoss Ally™ ships an update every 3 months, Sinna every 2 weeks. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Danfoss Ally™ | Sinna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (22 ratings)](https://appshunter.io/ios/app/danfoss-ally/id1521631506/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sinna/id6742742928/reviews)** |
| Number of ratings | **22** | 1 |
| Positive reviews | 40.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 151 MB | 73 MB |
| Requires iOS | **12.2** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [Dineout](https://appshunter.io/developer/1444956652) |

## What reviewers say

### Danfoss Ally™

[App page](https://appshunter.io/ios/app/danfoss-ally/id1521631506)

Control your home's radiator and underfloor heating from your smartphone. Optimize comfort and energy efficiency by adapting room temperatures to your daily schedule. Integrates with other smart home devices and voice assistants for seamless control.

**Highlights:** Full control of radiator and underfloor heating, Adapt temperature to daily schedule, Easy to use and install, Remote control from anywhere, Up to 30% energy savings, Works with Alexa & Google Assistant, Zigbee 3.0 certified

**Features:** Vision Pro support

**In-app purchases:** none


### Sinna

[App page](https://appshunter.io/ios/app/sinna/id6742742928)

Easily book appointments with local service providers. Discover available times in real-time and manage all your bookings, gift cards, and reminders in one place. Never miss an appointment with instant notifications.

**Highlights:** Book appointments easily, Find local service providers, View real-time availability, Manage all bookings in one place, Receive real-time reminders and notifications

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Danfoss Ally™ free?

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

### Is Sinna free?

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

### Which has better reviews, Danfoss Ally™ or Sinna?

Sinna is rated higher. Danfoss Ally™ averages 4.3 out of 5 from 22 ratings, while Sinna averages 5.0 from 1 ratings.

### Do Danfoss Ally™ or Sinna have ads?

Neither Danfoss Ally™ nor Sinna shows ads.

### Which is updated more often, Danfoss Ally™ or Sinna?

Danfoss Ally™ ships an update every 3 months, and Sinna every 2 weeks. Most recently, Danfoss Ally™ was updated on October 24, 2026 and Sinna on October 11, 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.*