# myWIKA device vs testo Smart

The clearest difference is rating: myWIKA device at 5.0 against testo Smart's 2.7. myWIKA device also leads on in-app purchases (none vs 5) and iOS requirement (16.4 vs 18.0). testo Smart's advantage is ratings volume (167 vs 1) and review sentiment (16% vs 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. myWIKA device asks for nothing beyond the download.

myWIKA device holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: testo Smart has 167 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of myWIKA device's written reviews are positive against 16% of testo Smart's, so the app with the better star average is not the one people write more warmly about.

myWIKA device ships an update every 3 months, testo Smart every 2 months. The most recent releases landed on June 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | myWIKA device | testo Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mywika-device/id1225511875/reviews)** | [2.7 (167 ratings)](https://appshunter.io/ios/app/testo-smart/id1482139629/reviews) |
| Number of ratings | 1 | **167** |
| Positive reviews | 0.0% of reviews | **16.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 57 MB | 195 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WIKA](https://appshunter.io/developer/898758738) | [Testo SE & Co. KGaA](https://appshunter.io/developer/966489178) |

## What reviewers say

### myWIKA device

[App page](https://appshunter.io/ios/app/mywika-device/id1225511875)

This application connects with various calibration instruments to simplify configuration and unlock additional features. It supports specific digital pressure gauges and a digital gas density indicator.

**Highlights:** Connects to calibration instruments, Simplifies instrument configuration, Offers additional functionalities, Supports CPG1500, Supports CPG1200, Supports GDI-100-D

**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 myWIKA device free?

myWIKA device 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, myWIKA device or testo Smart?

myWIKA device is rated higher. myWIKA device averages 5.0 out of 5 from 1 ratings, while testo Smart averages 2.7 from 167 ratings.

### Do myWIKA device or testo Smart have ads?

Neither myWIKA device nor testo Smart shows ads.

### Which is updated more often, myWIKA device or testo Smart?

myWIKA device ships an update every 3 months, and testo Smart every 2 months. Most recently, myWIKA device was updated on June 1, 2026 and testo Smart on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*