VOCs圈子 vs Cryogenics Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VOCs圈子
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VOCS圈子致力于VOCs低碳减排，来加入我们的行列，做一个低碳环保人。
Cryogenics Pro
This app provides thermodynamic calculations and equipment sizing tools for engineers. It offers accurate fluid data and process analysis using the CoolProp library, with features like unit conversion and basic fluid property queries.
- Thermodynamic calculations
- Equipment sizing tools
- CoolProp library integration
- Unit converter
- Basic fluid properties
- Engineering guidelines
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Cryogenics Workshop is a powerful mobile application integrating comprehensive thermodynamic calculations and equipment sizing tools. Leveraging the industry-leading CoolProp library, we provide accurate, real-time fluid data and process analysis to help you complete engineering tasks efficiently. Why Choose Cryogenics Tools? Accurate & Reliable: All calculations are based on the widely recognized CoolProp library, ensuring scientific accuracy. Intuitive & Easy to Use: A clean and clear user interface makes complex engineering calculations accessible at your fingertips. Comprehensive Features: From basic fluid properties to advanced equipment sizing, meeting your diverse engineering needs. Free Features, Available Instantly: Unit Converter: Quickly and conveniently convert various engineering units. Basic Fluid Properties: Query basic thermodynamic properties of common fluids. Engineering Guidelines: Gain in-depth understanding of core calculation principles, such as compressor calculation processes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: VOCs圈子 at none against Cryogenics Pro's 3. VOCs圈子 also leads on iOS requirement (12.0 vs 16.0). Cryogenics Pro's advantage is update cadence (every 10 days vs every 2 months). 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
Both are free to download. Cryogenics Pro sells 3 in-app purchases, starting at $0.99 per month. VOCs圈子 asks for nothing beyond the download.
VOCs圈子 ships an update every 2 months, Cryogenics Pro every 10 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.
| Parameter | VOCs圈子 | Cryogenics Pro |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 42 MB | 55 MB |
| Age rating | 17+ | 4+ |
| Developer | Yiwu Advanced Talent Agency Co., Ltd. | 立中 侯 |
In-app purchases
VOCs圈子
No in-app purchases
Cryogenics Pro
- Monthly Subscription$0.991 Month
- Yearly Subscription7 Days trial$9.991 Year
- Lifecycle purchase.$29.99
