NotosAR vs HydroTech Pocket Engineer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NotosAR
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With NOTOS AR, you can interact with NETZSCH’s NOTOS pump models in two ways: - Interactive mode (using your touchscreen) - AR (augmented reality) using your device camera. This version includes: - Fluid simulations - Navigation between all parts of the pump model - Assembly and disassembly animations - Cross-view models - Exploded view - Detailed information
HydroTech Pocket Engineer
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HydroTech Pocket Engineer gives field operators and engineers instant access to essential pipeline and nitrogen calculators directly from their phone. Built for real-world jobsite conditions, Pocket Engineer is designed to deliver fast, accurate results when timing, safety, and precision matter most. Whether you’re planning a job, verifying calculations in the field, or making quick decisions under pressure, this tool puts HydroTech’s proven calculation methods in your pocket. Key Features • Pipeline volume calculations for fast job planning • Nitrogen calculations for purging and testing • Clean, mobile-friendly interface built for field use • Instant access with no complicated setup • Always up to date with the latest HydroTech tools Built for the Field Pocket Engineer is designed for operators, technicians, and engineers working in pipeline testing, pre-commissioning, and field operations. It eliminates the need for manual calculations and reduces the risk of error in critical workflows. Powered by HydroTech Developed by HydroTech Testing, this app extends the same tools and methodologies used on active job sites into a simple, mobile-first experience.
Screenshots
Verdict
The clearest difference is iOS requirement: NotosAR at 13.0 against HydroTech Pocket Engineer's 15.0. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.
| Parameter | NotosAR | HydroTech Pocket Engineer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 423 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | NETZSCH DO BRASIL INDUSTRIA E COMERCIO LTDA | michael schricker |
In-app purchases
NotosAR
No in-app purchases
HydroTech Pocket Engineer
No in-app purchases
Questions
Is NotosAR free?
Is HydroTech Pocket Engineer free?
Do NotosAR or HydroTech Pocket Engineer have ads?
Which is updated more often, NotosAR or HydroTech Pocket Engineer?
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