Comparison

NotosAR vs HydroTech Pocket Engineer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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

About

HydroTech Pocket Engineer

Features
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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

NotosAR4 screens
HydroTech Pocket Engineer3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

Scorecard1 real difference · 5 level
NotosAR versus HydroTech Pocket Engineer: the parameters behind the verdict, then further details
ParameterNotosARHydroTech Pocket Engineer
PriceFreeFree
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size423 MB3 MB
Age rating4+17+
DeveloperNETZSCH DO BRASIL INDUSTRIA E COMERCIO LTDAmichael schricker

In-app purchases

None

NotosAR

No in-app purchases

None

HydroTech Pocket Engineer

No in-app purchases

Questions

Is NotosAR free?
NotosAR is free to download, with no in-app purchases.
Is HydroTech Pocket Engineer free?
HydroTech Pocket Engineer is free to download, with no in-app purchases.
Do NotosAR or HydroTech Pocket Engineer have ads?
Neither NotosAR nor HydroTech Pocket Engineer shows ads.
Which is updated more often, NotosAR or HydroTech Pocket Engineer?
NotosAR ships an update monthly, and HydroTech Pocket Engineer monthly. Most recently, NotosAR was updated on October 2, 2026 and HydroTech Pocket Engineer on October 1, 2026.

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