# Smart Room Heating App vs testo Smart

The clearest difference is rating: testo Smart at 2.7 against Smart Room Heating App's 1.0. testo Smart also leads on ratings volume (170 vs 1) and review sentiment (16% vs 0%). Smart Room Heating App's advantage is in-app purchases (none vs 5) and iOS requirement (8.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. testo Smart sells 5 in-app purchases, starting at $6.99 per month. Smart Room Heating App asks for nothing beyond the download.

testo Smart holds the better App Store score, 2.7 against 1.0. That said, the two scores are not equally well evidenced: testo Smart has 170 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Smart Room Heating App's written reviews are positive against 16% of testo Smart's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Smart Room Heating App | testo Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/smart-room-heating-app/id1015420555/reviews) | **[2.7 (170 ratings)](https://appshunter.io/ios/app/testo-smart/id1482139629/reviews)** |
| Number of ratings | 1 | **170** |
| Positive reviews | 0.0% of reviews | **16.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 195 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Glen Dimplex Deutschland](https://appshunter.io/developer/718172172) | [Testo SE & Co. KGaA](https://appshunter.io/developer/966489178) |

## What reviewers say

### Smart Room Heating App

[App page](https://appshunter.io/ios/app/smart-room-heating-app/id1015420555)

Control your Dimplex heat pump remotely from your iPhone or iPad. Adjust settings, monitor status, and manage up to 20 rooms with intelligent efficiency.

**Highlights:** Remote heat pump monitoring, Change modes and set temperatures, Adjust heating curve settings, Control domestic ventilation units, Set different temperatures for up to 20 rooms

**Features:** macOS Compatibility

**In-app purchases:** none


### testo Smart

[App page](https://appshunter.io/ios/app/testo-smart/id1482139629)

This app supports measurements for refrigeration, HVAC, and heating systems. It also aids in food safety, frying oil quality, and indoor climate monitoring. Quickly interpret data, create digital reports with photos, and send them via email.

**Highlights:** All-in-one system measurements, Graphical display of measured values, Digital PDF/CSV measurement reports, Email report sharing, Leak test analysis, Automatic refrigerant charging, Indoor air quality monitoring

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multi-site measurement | $6.99 | per month |
| Air balancing | $9.99 | per month |
| Multi-site measurement | $69.90 | per year |
| Air balancing | $99.90 | per year |
| Logging digital manifold | $44.99 | one-time |

**What reviewers like**

- 👍 Good app with some features
- 🚀 Great product
- 🚀 Useful app for measurements

**What reviewers complain about**

- 🐛 App won't connect
- 🐛 Connectivity issues
- 🐛 Unreliable connection
- 🐛 Forced updates
- 🐛 Laggy and unresponsive UI

**Reported bugs**

- App won't connect to devices
- Compatibility issues with newer iOS versions
- Frequent crashes and freezes
- Inability to save favorite refrigerants
- Measurement data not displaying properly

**Requested features**

- Add option to toggle Bluetooth discovery
- Improve Bluetooth range
- Add ability to customize colors and graphs
- Improve data export functionality
- Add option to name sensors


## Frequently asked questions

### Is Smart Room Heating App free?

Smart Room Heating App is free to download, with no in-app purchases.

### Is testo Smart free?

testo Smart is free to download, with in-app purchases available.

### Which has better reviews, Smart Room Heating App or testo Smart?

testo Smart is rated higher. Smart Room Heating App averages 1.0 out of 5 from 1 ratings, while testo Smart averages 2.7 from 170 ratings.

### Do Smart Room Heating App or testo Smart have ads?

Neither Smart Room Heating App nor testo Smart shows ads.

### Which is updated more often, Smart Room Heating App or testo Smart?

Smart Room Heating App ships an update every 2 months, and testo Smart every 2 months. Most recently, Smart Room Heating App was updated on October 9, 2026 and testo Smart on October 25, 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.*