Comparison

Crane Operator Hand Signals 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

Crane Operator Hand Signals

Access OSHA-compliant crane hand signals instantly. View graphical representations of each command for quick and easy reference by operators.

Highlights
  • OSHA Cranes and Derricks Standard compliant signals
  • Graphical representation of each signal
  • Instant access to all necessary signals
  • Quick reference for operators
Features
Read full description

The Crane Operator Hand Signals mobile app gives users instant access to all necessary crane hand signals. Every signal included is OSHA Cranes and Derricks Standard compliant. Each signal is shown graphically so that operators can quickly and easily reference the appropriate signal for each command.

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

Crane Operator Hand Signals4 screens
testo Smart4 screens

Verdict

The call

The clearest difference is review sentiment: Crane Operator Hand Signals at 60% against testo Smart's 16%. Crane Operator Hand Signals also leads on rating (3.5 vs 2.7) and in-app purchases (none vs 5). testo Smart's advantage is update cadence (every 2 months vs every 33 months) and ratings volume (170 vs 2). 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. Crane Operator Hand Signals asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Crane Operator Hand Signals holds the better App Store score, 3.5 against 2.7. That said, the two scores are not equally well evidenced: testo Smart has 170 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 60% of Crane Operator Hand Signals's written reviews are positive against 16% of testo Smart's.

UpkeepUpdate frequency

Crane Operator Hand Signals ships an update every 33 months, testo Smart every 2 months. The most recent releases landed on October 3, 2026 and October 29, 2026 respectively.

Scorecard7 real differences · 3 level
Crane Operator Hand Signals versus testo Smart: the parameters behind the verdict, then further details
ParameterCrane Operator Hand Signalstesto Smart
PriceFreeFree
Rating3.5 (2 ratings) — better2.7 (170 ratings)
Positive reviews60.0% of reviews — better16.3% of reviews
Number of ratings2170 — better
Update frequencyEvery 33 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS8.0 — better18.0
Further details — not scored
Size2 MB195 MB
Age rating4+4+
DeveloperSpecialized Carriers and Rigging AssociationTesto SE & Co. KGaA

Customer experience

Crane Operator Hand Signals

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews5 reviews
Positive60.0%
Neutral20.0%
Negative20.0%

testo Smart

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

Bugs and requests

Crane Operator Hand Signals

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

Crane Operator Hand Signals

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 Crane Operator Hand Signals free?
Crane Operator Hand Signals 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, Crane Operator Hand Signals or testo Smart?
Crane Operator Hand Signals is rated higher. Crane Operator Hand Signals averages 3.5 out of 5 from 2 ratings, while testo Smart averages 2.7 from 170 ratings.
Do Crane Operator Hand Signals or testo Smart have ads?
Neither Crane Operator Hand Signals nor testo Smart shows ads.
Which is updated more often, Crane Operator Hand Signals or testo Smart?
Crane Operator Hand Signals ships an update every 33 months, and testo Smart every 2 months. Most recently, Crane Operator Hand Signals was updated on October 3, 2026 and testo Smart on October 29, 2026.

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