Comparison

testo Smart vs SDS Manager

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

Head to head
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

About

SDS Manager

Access your entire chemical safety data sheet library on your mobile device, with or without an internet connection. Quickly retrieve information using barcode scanning and find essential first-aid details at a glance.

Highlights
  • Full offline access to SDS library
  • Barcode and QR code scanner
  • Mobile-friendly first-aid info
  • Instant employee access via QR posters
  • Works on iPhone and iPad
Features
Read full description

Unlock on-the-go chemical safety with SDS Manager, the only mobile app you need to access your complete Safety Data Sheet (SDS) library anytime, anywhere, even without internet. KEY FEATURES - Full offline access: All your SDS documents download to your iphone or ipad so employees can view vital chemical safety information even in connectivity-free zones. - Barcode & QR scanner: Instantly retrieve a product’s SDS by scanning its barcode or QR code. No manual searching required. - First-aid info at a glance: Extracted from SDS files, first-aid and hazard information is mobile-friendly and easy to access. - Instant employee access: With strategically placed QR posters, employees can open the app and get relevant SDS documents immediately. Reliable on any device: Works on ipads and iphones for field workers, manufacturing floors, warehouses, cleaning crews, labs and more. WHY CHOOSE SDS MANAGER? - Stay compliant with chemical safety regulations by ensuring everyone can access SDS documents at all times. - Empower your workforce with fast access to hazards, PPE guidance, emergency measures and more, even without the internet. - Save time and reduce risk: log in once, download once then access all SDS offline. - Ideal for safety managers, EHS professionals, facilities teams, manufacturing operations, logistics and chemical retailers. HOW IT WORKS - Install SDS Manager and log in. - The app downloads your SDS library to the device. - Use the scanner or keyword search to find the SDS you need even without a connection. - Place QR code posters or share links so employees can self-install the app for instant access. START TODAY Download the app, connect to your SDS library, and be confident that the right safety information is always in your team’s hands online or offline. + Note: Requires an active SDS Manager account for initial sync. For demo or trial access, please contact your SDS Manager administrator or visit sdsmanager.com.

Screenshots

testo Smart4 screens
SDS Manager4 screens

Verdict

The call

The clearest difference is rating: SDS Manager at 5.0 against testo Smart's 2.7. SDS Manager also leads on in-app purchases (none vs 5) and update cadence (every 3 weeks vs every 2 months). testo Smart's advantage is ratings volume (167 vs 10). 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. SDS Manager asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SDS Manager 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 10, so its average is the more settled of the two.

UpkeepUpdate frequency

testo Smart ships an update every 2 months, SDS Manager every 3 weeks. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

Scorecard6 real differences · 4 level
testo Smart versus SDS Manager: the parameters behind the verdict, then further details
Parametertesto SmartSDS Manager
PriceFreeFree
Rating2.7 (167 ratings)5.0 (10 ratings) — better
Positive reviews16.3% of reviews—
Number of ratings167 — better10
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.6 — better
Further details — not scored
Size195 MB76 MB
Age rating4+4+
DeveloperTesto SE & Co. KGaANetpower

Customer experience

testo Smart

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

SDS Manager

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and 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

SDS Manager

Not enough reviews yet to summarise bugs or requests.

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
None

SDS Manager

No in-app purchases

Questions

Is testo Smart free?
testo Smart is free to download, with in-app purchases available.
Is SDS Manager free?
SDS Manager is free to download, with no in-app purchases.
Which has better reviews, testo Smart or SDS Manager?
SDS Manager is rated higher. testo Smart averages 2.7 out of 5 from 167 ratings, while SDS Manager averages 5.0 from 10 ratings.
Do testo Smart or SDS Manager have ads?
Neither testo Smart nor SDS Manager shows ads.
Which is updated more often, testo Smart or SDS Manager?
testo Smart ships an update every 2 months, and SDS Manager every 3 weeks. Most recently, testo Smart was updated on September 20, 2026 and SDS Manager on September 10, 2026.

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