Stack Testers Flow Friend
Lewis Holmes Productivity iPhoneiPadiPod touch
Stack Testers Flow Friend is a free Productivity app for iPhone and iPad by Lewis Holmes. Requires iOS 13.0. Updated June 19, 2026.
- Price
- Free
- on the App Store
- Size
- 32 MB
- Age 4+
- Updated
- Jun 19
- 2026 · v1.2.12
Screenshots
About Stack Testers Flow Friend
Stack Testers Flow Friend is part of a suite of apps developed by the Engineers of CES Environmental Instruments, one of the UKs leading environmental Test Houses and incorporates some of their on-site calculations in an easy to use app. When working on the stack and you need to quickly calculate a velocity or volume flow, the answer can be at your fingertips. By inputting the essential parameters of the stack size and gas conditions, the velocity and volume flow can be determined without the need to manually calculate the value or start up a laptop. The app is an essential tool for the professional Environmental engineer. The app is a useful aid to the C & I engineer calculating the Differential Pressure cell mA output used for data logging. The contents of the CES Environmental Instruments popular Engineers Note Book is preloaded within the app.
What’s new
Version 1.2.12 · Updated June 19, 2026
- Updated DURAG guidance PDF.
App privacy
The developer, Lewis Holmes, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Stack Testers Flow Friend | – | Free | June 19, 2026 | |
| Water Jetting Calculator | – | Free | Jan 15, 2026 | Compare |
| Daily Habit List: Goal Tracker | 4.2 / 5 (344) | Free | Aug 12, 2026 | Compare |
| Kärcher Machine connect | 5.0 / 5 (9) | Free | Sep 30, 2026 | Compare |
| ADHD Planner AI Task: Splitti | 4.5 / 5 (19) | Free | Aug 17, 2026 | Compare |
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| Proton Authenticator & 2FA | 4.6 / 5 (633) | Free | Oct 14, 2026 | Compare |