Comparison

Baker HVAC 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

Baker HVAC Pro+

This app provides HVAC/R professionals with on-the-go access to product information and essential tools. It features real-time order tracking, a duct calculator, warranty verification, and branch location details. Users can also search for parts, view technical documents, and receive special offer notifications.

Highlights
  • Real-time order status
  • Duct calculator
  • Product availability and pricing
  • Warranty registration verification
  • Parts and model search
  • Technical document access
  • Branch locator and directions
Features
Read full description

BAKER DISTRIBUTING COMPANY strives to make life as an HVAC/R Professional easier, saving you time and hassle through innovation. Our mobile app HVAC/R PRO provides access to product information and easy-to-use tools while on the go. * Now view real-time order status for all your orders (ORDER STATUS) * Duct calculator to help determine duct size, material and specifications for new installations and retrofits (CALCULATORS) * Sign in to link your online account to view prices, add to cart and check orders (SIGN IN) * See real-time availability for your preferred branch and other nearby Baker Distributing Company branches (PRODUCTS) * Search by system needs to find AHRI matched systems with real-time inventory and system pricing (AHRI) * Verify Limited Warranty Registrations while in the field (WARRANTY) * Search for an HVAC equipment model, view the parts list and superseded parts, check availability at Baker Distributing Company locations (PARTS LIST) * View Spec Sheets, Wiring Diagrams, Installation Guides, Consumer Literature, etc. for Baker Distributing Company Products (DOCUMENTS) * See nearby Baker Distributing Company locations, their Hours of Operation, get Directions, call the store (BRANCHES) * Receive Push Notifications of Special Offers & Promotions at Baker Distributing Company * Scan QR Code & UPC Bar Codes for fast product look ups * See Turn by Turn Driving Directions, through your favorite mapping app, to Baker Distributing Company locations * Light up attics, closets and basements while you work (FLASHLIGHT) * Also, the app now remembers your last 10 searches Our mission is to deliver the quality HVAC/R products you need, when you need them, and provide expert technical support. Our goal is to be your HVAC/R Supplier of Choice. We know you have a choice when buying all your HVAC/R related items. Thank you for trusting Baker Distributing Company. We are proud to have the opportunity to serve you.

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

Baker HVAC Pro+4 screens
testo Smart4 screens

Verdict

The call

The clearest difference is review sentiment: Baker HVAC Pro+ at 85% against testo Smart's 16%. Baker HVAC Pro+ also leads on rating (4.9 vs 2.7) and in-app purchases (none vs 5). 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. Baker HVAC Pro+ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Baker HVAC Pro+ holds the better App Store score, 4.9 against 2.7. Both are backed by a comparable volume of ratings — 587 and 167 respectively. Written reviews point the same way: 85% of Baker HVAC Pro+'s written reviews are positive against 16% of testo Smart's.

UpkeepUpdate frequency

Baker HVAC Pro+ ships an update monthly, testo Smart every 2 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

Scorecard7 real differences · 3 level
Baker HVAC Pro+ versus testo Smart: the parameters behind the verdict, then further details
ParameterBaker HVAC Pro+testo Smart
PriceFreeFree
Rating4.9 (587 ratings) — better2.7 (167 ratings)
Positive reviews85.0% of reviews — better16.3% of reviews
Number of ratings587 — better167
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size165 MB195 MB
Age rating4+4+
DeveloperWatsco, Inc.Testo SE & Co. KGaA

Customer experience

Baker HVAC Pro+

All ratings587 ratings
Positive96.9%
Neutral1.7%
Negative1.4%
Written reviews20 reviews
Positive85.0%
Neutral5.0%
Negative10.0%

testo Smart

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

User reviews

Baker HVAC Pro+

From 587 App Store ratings

What we love

  • 👍 Time saver
  • 👍 Easy to find information
  • 👍 Great for ordering parts
  • 👍 Helpful for checking stock
  • 👍 Useful for customer warranties

Room to improve

  • 🐛 Error messages
  • 🐛 App not working
  • ⚠️ Too many alerts
  • ⚠️ Annoying alerts

testo Smart

From 167 App Store ratings

What we love

  • 👍 Good app with some features
  • 🚀 Great product
  • 🚀 Useful app for measurements

Room to improve

  • 🐛 App won't connect
  • 🐛 Connectivity issues
  • 🐛 Unreliable connection
  • 🐛 Forced updates
  • 🐛 Laggy and unresponsive UI

Bugs and requests

Baker HVAC Pro+

Reported bugs

2 issues
  • App not working anymore
  • Error messages

Requested features

2 requests
  • Add R448A to P/T calc
  • Tie account to app for pricing

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

Baker HVAC 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 Baker HVAC Pro+ free?
Baker HVAC 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.
Which has better reviews, Baker HVAC Pro+ or testo Smart?
Baker HVAC Pro+ is rated higher. Baker HVAC Pro+ averages 4.9 out of 5 from 587 ratings, while testo Smart averages 2.7 from 167 ratings.
Do Baker HVAC Pro+ or testo Smart have ads?
Neither Baker HVAC Pro+ nor testo Smart shows ads.
Which is updated more often, Baker HVAC Pro+ or testo Smart?
Baker HVAC Pro+ ships an update monthly, and testo Smart every 2 months. Most recently, Baker HVAC Pro+ was updated on October 12, 2026 and testo Smart on October 13, 2026.

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