Piped vs Dry Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Piped
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Piped is an active data application designed for the pipeline industry to be used in the field. Process Data – General details of the pipeline are entered Surveying – Details can be entered along with record photos Filling – GPS positions the fill point and volumes are worked out from flowrates entered Swabbing – GPS positions swab launch and reception and volumes are calculated from flowrates entered Pressure Testing PE – Pressure test results are calculated in accordance with IGN 4 1 03, you get a countdown to readings and positioning with GPS Pressure Testing DI – Pressure test results are calculated in accordance with IGN 4 1 03, you get a countdown to readings, a 15 minute provisional result and positioning with GPS Chlorination – GPS positions the chlorination point, flowrates are used to calculate volumes and record photos back up chlorine strength entries Dechlorination - GPS positions the dechlorination point, flowrates are used to calculate volumes and record photos back up chlorine strength entries Flushing – GPS positions the flushing point and flowrates are used to calculate volumes Sampling – Records of each sample are taken with chlorine and turbidity levels, gps is utilised to position each sample taken and the point they are taken to. Other data is captured detailing the equipment utilised and consumables used.
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.
Screenshots
Verdict
The clearest difference is update cadence: Piped at every 6 weeks against Dry Tools's every 6 months. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Piped ships an update every 6 weeks, Dry Tools every 6 months. The most recent releases landed on May 16, 2026 and June 11, 2026 respectively.
| Parameter | Piped | Dry Tools |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 6 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 45 MB |
| Age rating | 4+ | 12+ |
| Developer | Cobalt Technologies Limited | CLIMATE BY DESIGN INTERNATIONAL, INC. |
In-app purchases
Piped
No in-app purchases
Dry Tools
No in-app purchases





