Dry Tools vs MechPic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Air Stream Mixing Calculator
- HVAC Formulas
- Lead Time Wheel
- Psychrometric Calculator
- Integrated Weather Data
- Educational Content
- Industry Glossary
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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.
MechPic
This app provides a specialized platform for tradespeople to share and download technical images, diagrams, and edited photos. Users can upload their own work, receive attribution, and access a library of industry-specific visuals for professional use or education.
- Upload technical photos
- Edit images with text and arrows
- Receive attribution via watermark
- Download user-uploaded images
- Label and organize uploads with tags
- Share industry-specific visuals
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Share and download technical photos straight from your device. MechPic gives tradespeople a platform to share their images with other industry workers and download pictures, diagrams, and edited images for their own purposes. MechPic is a specialized image-sharing platform for tradespeople and fieldworkers. It allows users to upload shareable images that give attribution to the creator in accordance with Creative Commons ShareAlike 4.0 International rules. Users may also download other users’ photos to assist them with their own work or education. MechPic is sharing platform for technicians to locate and share images of wiring diagrams, equipment failures, and other fieldwork findings they won’t find in any textbook or manufacturer literature. With MechPic, you can: Upload photos from your device Edit your uploaded image by adding arrows or text Receive credit for your contributions via watermark Download other users’ images Label and organize your uploads by adding relevant tags
Screenshots
Verdict
The clearest difference is update cadence: MechPic at monthly against Dry Tools's every 6 months. On price, rating, review sentiment and ratings volume 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Dry Tools against 5.0 for MechPic. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Dry Tools ships an update every 6 months, MechPic monthly. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.
| Parameter | Dry Tools | MechPic |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 — better | 3 |
| Update frequency | Every 6 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 12.3 |
| Further details — not scored | ||
| Size | 45 MB | 12 MB |
| Age rating | 12+ | 4+ |
| Developer | CLIMATE BY DESIGN INTERNATIONAL, INC. | Kalos Services Inc. |
Customer experience
Dry Tools
MechPic
In-app purchases
Dry Tools
No in-app purchases
MechPic
No in-app purchases
