Comparison

HydroTech Pocket Engineer vs VibroMeter

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

Head to head
About

HydroTech Pocket Engineer

Features
Read full description

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 β€’ Pipeline volume calculations for fast job planning β€’ Nitrogen calculations for purging and testing β€’ Clean, mobile-friendly interface built for field use β€’ Instant access with no complicated setup β€’ 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.

About

VibroMeter

Features
Read full description

VibroMeter turns your phone into an industrial-grade vibration meter. Use the built-in accelerometer to measure real-time acceleration on the X, Y and Z axes, watch the live waveform and dive into the numbers. Features: β€’ Real-time 3-axis waveform β€” X/Y/Z channels, adjustable range, toggle each axis on or off β€’ Live statistics β€” current value, peak hold and RMS in g or m/sΒ² β€’ Recording & history β€” capture long sessions, pause and resume, review them anytime β€’ Vibration replay β€” see how your device moved on all three axes, slow-motion up to 100x β€’ CSV export β€” share raw data for professional analysis Perfect for machine maintenance, quality inspection, checking EV or home-appliance vibration, or simply exploring what your phone feels. Measure and record up to 30 seconds free. Upgrade to Pro for unlimited recording, CSV export and an ad-free experience.

Screenshots

HydroTech Pocket Engineer3 screens
VibroMeter4 screens

Verdict

The call

The clearest difference is in-app purchases: HydroTech Pocket Engineer at none against VibroMeter's 1. HydroTech Pocket Engineer also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. VibroMeter sells 1 one-off in-app purchase. HydroTech Pocket Engineer asks for nothing beyond the download.

UpkeepUpdate frequency

HydroTech Pocket Engineer ships an update monthly, VibroMeter every 2 weeks. The most recent releases landed on October 1, 2026 and October 17, 2026 respectively.

Scorecard2 real differences Β· 4 level
HydroTech Pocket Engineer versus VibroMeter: the parameters behind the verdict, then further details
ParameterHydroTech Pocket EngineerVibroMeter
PriceFreeFree
Update frequencyMonthlyEvery 2 weeks β€” better
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS15.015.0
Further details β€” not scored
Size3 MB3 MB
Age rating17+4+
Developermichael schricker景珂 ι™ˆ

In-app purchases

None

HydroTech Pocket Engineer

No in-app purchases

1 purchases

VibroMeter

One-time1
  • VibroMeter Pro$9.99

Questions

Is HydroTech Pocket Engineer free?
HydroTech Pocket Engineer is free to download, with no in-app purchases.
Is VibroMeter free?
VibroMeter is free to download, with in-app purchases available.
Do HydroTech Pocket Engineer or VibroMeter have ads?
VibroMeter shows ads; HydroTech Pocket Engineer does not.
Which is updated more often, HydroTech Pocket Engineer or VibroMeter?
HydroTech Pocket Engineer ships an update monthly, and VibroMeter every 2 weeks. Most recently, HydroTech Pocket Engineer was updated on October 1, 2026 and VibroMeter on October 17, 2026.

Other comparisons