Comparison

RefTech vs Dry Tools

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

Head to head
About

RefTech

This diagnostic tool assists in troubleshooting commercial refrigeration systems up to 7.5 HP. Input sensor data to receive likely diagnoses and suggested repair steps. Version 1.3 adds Bluetooth connectivity for specific temperature and pressure probes.

Highlights
  • Refrigeration system diagnostics
  • Troubleshooting up to 7.5 HP
  • Pressure and temperature sensor input
  • Likely diagnosis generation
  • Repair suggestions
  • Bluetooth probe connectivity (v1.3)
Features
Read full description

This app is designed to help troubleshoot commercial refrigeration system up to 7.5 HP. Simply enter all the observed parameters from your pressure and temperature sensors or gauges and press diagnose to obtain a list of likely diagnoses. Then press repair to obtain suggested help with repairing the system. Please note that this app is a subscription app and a current subscription will be required to unlock the app's functionality. Current subscribers will have access to the latest app updates which will include the latest refrigerants used in commercial refrigeration. Version 1.3 can connect to the Sporlan SMART temperature and pressure probes to collect data via Bluetooth. Disclaimer: This app is designed as a diagnostic aid to supplement observations of refrigeration system operation. It in no way warrants or guarantees the diagnosis is absolutely correct. The user accepts all responsibility as to the accuracy and validity of the repairs the user employs.

About

Dry Tools

This app provides HVAC professionals and students with essential calculation tools, including air stream mixing, HVAC formulas, lead time planning, and a psychrometric calculator with weather data. It also offers educational content and industry-specific terminology.

Highlights
  • Air Stream Mixing Calculator
  • HVAC Formulas
  • Lead Time Wheel
  • Psychrometric Calculator
  • Integrated Weather Data
  • Educational Content
  • Industry Glossary
Features
Read full description

Dry Tools by CDI contains multiple tools to calculate Air Stream Mixing, HVAC formulas, Lead Times, as well as a Psychrometric calculator with integrated weather data for HVAC professionals and students. The app is designed to be your first step to calculating the conditions you need to achieve your critical mission. Key Features: Tools • Air Stream Mixing: Solve for mixed air conditions from any two airstreams . • HVAC Formulas: Handy, commonly used formulas where moisture in air is concerned. • Lead Time Wheel: Helpful tool for planning project lead times. • Psychrometric Calculator: Enter any two data points and get all the others. • Weather Data: GPS locator or search for ambient weather conditions worldwide. Education • Dr. Dry Talks: From relative humidity to vapor pressure, easy learning with dry humor. • Glossary: Not so common, commonly used terms in our industry. Products • Air Handling • Desiccant Dehumidification • Service More • Contact Us • About Us • To Our Competition In summary, Dry Tools will provide you with the tools you need in one handy app. Install the free App and get started on your psychrometric journey.

Screenshots

RefTech1 screens
Dry Tools4 screens

Verdict

The call

The clearest difference is review sentiment: Dry Tools at 100% against RefTech's 0%. Dry Tools also leads on rating (5.0 vs 2.7) and in-app purchases (none vs 1). On price, ratings volume, update cadence and ads 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. RefTech sells 1 one-off in-app purchase. Dry Tools asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Dry Tools holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 0% of RefTech's written reviews are positive against 100% of Dry Tools's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on September 13, 2026 and June 11, 2026 respectively.

Scorecard5 real differences · 5 level
RefTech versus Dry Tools: the parameters behind the verdict, then further details
ParameterRefTechDry Tools
PriceFreeFree
Rating2.7 (3 ratings)5.0 (5 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings35 — better
Update frequencyEvery 6 monthsEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.411.0 — better
Further details — not scored
Size6 MB45 MB
Age rating4+12+
DeveloperBlue Mountain Consulting IncCLIMATE BY DESIGN INTERNATIONAL, INC.

Customer experience

RefTech

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Dry Tools

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

RefTech

One-time1
  • RefTech Subscriptions$9.99
None

Dry Tools

No in-app purchases

Questions

Is RefTech free?
RefTech is free to download, with in-app purchases available.
Is Dry Tools free?
Dry Tools is free to download, with no in-app purchases.
Which has better reviews, RefTech or Dry Tools?
Dry Tools is rated higher. RefTech averages 2.7 out of 5 from 3 ratings, while Dry Tools averages 5.0 from 5 ratings.
Do RefTech or Dry Tools have ads?
Neither RefTech nor Dry Tools shows ads.
Which is updated more often, RefTech or Dry Tools?
RefTech ships an update every 6 months, and Dry Tools every 6 months. Most recently, RefTech was updated on September 13, 2026 and Dry Tools on June 11, 2026.

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