Comparison

Site App Pro vs testo Smart

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Site App Pro

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
Read full description

Join over 165,000 work sites prioritizing safety with Site App Pro. Our app streamlines safety checks, accelerates incident reporting, and ensures seamless compliance. Key Features and benefits: Streamlined Safety Checks Incident Reporting Contractor Management Site Inductions Digital Hazard Board Equipment Management Real-time Alerts Custom Form Building Offline Functionality Document Management Compliance Tracking Team Collaboration Why Choose Site App Pro: Join the ranks of safety leaders who rely on Site App Pro for unparalleled site safety management. We're not just an app; we're your safety partner, protecting your team and your reputation. See What Our Users Say: “A great way to get Health and Safety documentation completed and keep everyone safe on sites.” - R King “Great simple system to use. Highly recommend to anyone looking for a simple solution to on site health and safety” - T Fitzjames. Download Site App Pro now and elevate your safety standards.

About

testo Smart

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
Read full description

- All in one: The testo Smart App supports you with measurements on refrigeration, air conditioning, and heating systems, as well as in ensuring the safety and quality of food and frying oil, and in monitoring indoor climate and storage conditions. - Fast: Graphically descriptive display of measured values, e.g. as a table, for quick interpretation of results. - Efficient: Create digital measurement reports including. photos as PDF/ CSV files on site and send them via e-mail. The testo Smart App is compatible with the following Bluetooth®-enabled measuring instruments from Testo: - Thermal imager testo 860i for smartphones - All Testo Smart Probes - Digital manifolds testo 550s/557s/558s/550i/570s and testo 550/557 - Digital refrigerant scale testo 560i - Vacuum pump testo 565i - Flue gas analyzer testo 300/310 II/310 II EN - Vacuum gauge testo 552 - Clamp meter testo 770-3 - Volume flow hood testo 420 - Compact HVAC measuring instruments - Frying oil tester testo 270 BT - Temperature meter testo 110 Food - Dual purpose IR and penetration thermometer testo 104-IR BT - Data loggers 174 T BT & 174 H BT - Online data loggers testo 160, testo 162 & testo 164 GW Applications with the testo Smart App Refrigeration systems, air conditioning systems and heat pumps, heating systems, indoor air quality: - Leak test: Recording and analysis of the pressure drop curve. - Superheat and subcooling: Automatic determination of condensation and evaporation temperature and calculation of superheat / subcooling. - Target superheat: Automatic calculation of target superheat - Automatic refrigerant charging by weight, by superheat, by subcooling, and by target superheat - Vacuum measurement: Graphical progress display of the measurement with indication of start and differential value Indoor climate monitoring: - Indoor air quality: automatic calculation of the dew point and wet-bulb temperature - Temperature, humidity, lux, UV, pressure, CO2: the right data logger for every application – from a single solution to an online monitoring system" Ventilation systems: - Volume flow: After the intuitive input of the duct cross-section, the app calculates the volume flow fully automatically. - Diffuser measurements: simple parameterisation of the diffuser (dimensions and geometry), comparison of the volume flows of several diffusers when setting up a ventilation system, continuous and multi-point average calculation. Heating systems: - Flue gas measurement: Second screen function in combination with testo 300 - Measurement of gas flow and static gas pressure: Also possible parallel to the flue gas measurement (delta P) - Measurement of flow and return temperatures (delta T) Thermography: - Determining Delta T on heating, refrigeration/air conditioning, and industrial systems - Detecting hot/cold spots - Assessing the risk of mold Food safety: Temperature Control Points (CP/CCP): - Seamless documentation of measured values to fulfill HACCP specifications - Individually definable limit values and measurement comments within the App for each measurement point - Reporting and data export for regulatory requirements and internal quality assurance Frying oil quality: - Seamless documentation of measured values as well as calibration and adjustment of the measurement instrument - Individually definable limit values and measurement comments within the App for each measurement point - Reporting and data export for regulatory requirements and internal quality assurance --------------------------------------------------------- Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.testo.com/en/company/privacy-policy-app

Screenshots

Site App Pro4 screens
testo Smart4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Site App Pro versus testo Smart: the parameters behind the verdict, then further details
ParameterSite App Protesto Smart
PriceFreeFree
Rating—2.7 (167 ratings) — better
Positive reviews88.9% of reviews — better16.3% of reviews
Number of ratings—167 — better
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better18.0
Further details — not scored
Size49 MB195 MB
Age rating4+4+
DeveloperComplyPro LimitedTesto SE & Co. KGaA

Customer experience

Site App Pro

Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

testo Smart

All ratings167 ratings
Positive35.9%
Neutral13.2%
Negative50.9%
Written reviews153 reviews
Positive16.3%
Neutral17.6%
Negative66.0%

Bugs and requests

Site App Pro

Not enough reviews yet to summarise bugs or requests.

testo Smart

Reported bugs

5 issues
  • 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

7 requests
  • 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
Show 2 more
  • Improve multi-probe support
  • Integrate more features from physical devices

In-app purchases

None

Site App Pro

No in-app purchases

5 purchases

testo Smart

Subscriptions4
  • Multi-site measurement7 Days trial$6.991 Month
  • Air balancing7 Days trial$9.991 Month
  • Multi-site measurement$69.901 Year
Show 1 more
  • Air balancing$99.901 Year
One-time1
  • Logging digital manifold$44.99

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.

Other comparisons