# Vaillant vSMART Control vs Certilia

The clearest difference is review sentiment: Vaillant vSMART Control at 57% against Certilia's 0%. Vaillant vSMART Control also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17). Certilia's advantage is update cadence (every 2 weeks vs every 2 months) and rating (4.1 vs 3.9). 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.

Certilia holds the better App Store score, 4.1 against 3.9. Both are backed by a comparable volume of ratings — 27 and 18 respectively. Written reviews complicate that: 57% of Vaillant vSMART Control's written reviews are positive against 0% of Certilia's, so the app with the better star average is not the one people write more warmly about.

Vaillant vSMART Control ships an update every 2 months, Certilia every 2 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Vaillant vSMART Control | Certilia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (27 ratings)](https://appshunter.io/ios/app/vaillant-vsmart-control/id1023682630/reviews) | **[4.1 (18 ratings)](https://appshunter.io/ios/app/certilia/id1577545855/reviews)** |
| Number of ratings | **27** | 18 |
| Positive reviews | **56.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 57 MB | 33 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vaillant Group](https://appshunter.io/developer/993660850) | [AKD d.o.o.](https://appshunter.io/developer/1510311140) |

## What reviewers say

### Vaillant vSMART Control

[App page](https://appshunter.io/ios/app/vaillant-vsmart-control/id1023682630)

This app offers remote control of your home's heating and hot water system from your smartphone. It allows for personalized scheduling, monitors outdoor temperature for optimal efficiency, and intelligently manages energy usage to save costs.

**Highlights:** Remote heating and hot water control, Customizable time and temperature profiles, Connect multiple controllers, Wireless internet connection, Weather compensation, Intelligent thermostat functionality

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 💡 Effective heating control
- 💰 Cost-effective operation
- 🌍 Remote control capability
- 🏠 Comfortable home temperature

**What reviewers complain about**

- 🐛 Gateway unreachable errors
- 🐛 Constantly loses connection
- 🐛 Stopped working
- 🐛 Unreliable for remote control
- 🐛 Zero info when not connected

**Reported bugs**

- Gateway unreachable errors
- Loses connection frequently
- Stopped working
- App no longer opens
- Blank white screen

**Requested features**

- Add wireless radiator valves
- Allow adjustment of radiator flow temperature without advanced settings
- Provide access to information on the boiler display
- Include all service codes in advanced/service section
- Allow choice of trended variables


### Certilia

[App page](https://appshunter.io/ios/app/certilia/id1577545855)

Utilize your mobile device for secure identification and qualified electronic signatures. This system leverages advanced mobile phone security technology for reliable digital transactions. Activation requires registration with an existing QES or at a designated office.

**Highlights:** Mobile identification, Qualified electronic signature, Advanced security technology, Digital transaction support, QES registration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Vaillant vSMART Control free?

Vaillant vSMART Control is free to download, with no in-app purchases.

### Is Certilia free?

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

### Which has better reviews, Vaillant vSMART Control or Certilia?

Certilia is rated higher. Vaillant vSMART Control averages 3.9 out of 5 from 27 ratings, while Certilia averages 4.1 from 18 ratings.

### Do Vaillant vSMART Control or Certilia have ads?

Neither Vaillant vSMART Control nor Certilia shows ads.

### Which is updated more often, Vaillant vSMART Control or Certilia?

Vaillant vSMART Control ships an update every 2 months, and Certilia every 2 weeks. Most recently, Vaillant vSMART Control was updated on October 29, 2026 and Certilia on October 30, 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.*