# Site App Pro vs testo Smart

The clearest difference is review sentiment: Site App Pro at 89% against testo Smart's 16%. Site App Pro also leads on in-app purchases (none vs 5) and update cadence (monthly vs every 2 months). On price, 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. Site App Pro asks for nothing beyond the download.

Site App Pro ships an update monthly, testo Smart every 2 months. The most recent releases landed on September 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Site App Pro | testo Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (167 ratings)](https://appshunter.io/ios/app/testo-smart/id1482139629/reviews)** |
| Number of ratings | — | **167** |
| Positive reviews | **88.9% of reviews** | 16.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 49 MB | 195 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ComplyPro Limited](https://appshunter.io/developer/1075617144) | [Testo SE & Co. KGaA](https://appshunter.io/developer/966489178) |

## What reviewers say

### Site App Pro

[App page](https://appshunter.io/ios/app/site-app-pro/id1434240385)

This application helps work sites manage health and safety by streamlining checks, accelerating incident reporting, and ensuring compliance. It offers features like contractor management, site inductions, and digital hazard boards for a safer work environment.

**Highlights:** Streamlined safety checks, Incident reporting, Contractor management, Site inductions, Digital hazard board, Offline functionality, Team collaboration

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

**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 Site App Pro free?

Site App Pro is free to download, with no in-app purchases.

### Is testo Smart free?

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

### Do Site App Pro or testo Smart have ads?

Neither Site App Pro nor testo Smart shows ads.

### Which is updated more often, Site App Pro or testo Smart?

Site App Pro ships an update monthly, and testo Smart every 2 months. Most recently, Site App Pro was updated on September 24, 2026 and testo Smart on October 17, 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.*