Comparison

LMRA Safety vs PipeDN

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

Head to head
About

LMRA Safety

Features
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LMRA Safety is an app for completing a last-minute risk analysis as part of a site intervention with one of your customers. The purpose of this application is to make everyone aware of the risk present in the field of industry. This App allows you to follow the instructions given by the VCA certification After filling the forms, an email can be send.

About

PipeDN

Features
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Need to determine the pipe size for a new industrial project? Want to check the maximum recommended flow rate for an existing fluid line? PipeDN is the ultimate pocket tool for industry professionals. Quickly find the ideal Nominal Diameter (DN) or maximum operating flow rate using velocity limits based on practical, field-tested engineering standards. Beyond delivering the exact requirement, the app generates a smart reference table of neighboring commercial pipe sizes (larger and smaller). This gives you the comprehensive technical data to choose the best design alternative for your facility. Highlighted Features: โ€ข Calculation Modules: "Find Ideal DN" and "Find Max Flow". โ€ข Native support for multiple pipe materials and schedules. โ€ข Professional PDF Reports: Export a detailed calculation memory directly to PDF. Include specific pipeline TAGs for customized, ready-to-archive engineering results. โ€ข Custom Units: Fully adapt pressure, temperature, flow rate, and diameter unit sets to match your region's standard. โ€ข Embedded Physical Tables: The Steam module features built-in thermodynamic properties for precise dynamic density tracking. Supported Fluids & Applications: โ€ข Water & Condensate: Treated Water, Condensate (Pump Discharge, Pump Suction, Steam Trap Return). โ€ข Steam: Advanced sizing targeting Saturated Steam and Superheated Steam lines. โ€ข Process Gases: Combustion Air, Flammable & Non-Flammable Gases, Nโ‚‚, Oโ‚‚, LPG. โ€ข Compressed Air: Limits tailored for Main Lines and Secondary Branches. โ€ข Vacuum Systems (Manifolds, Separators, Blowers). โ€ข Pulp & Paper Industry Niche: Exclusive calculation module for Cellulose Pulp responding to various consistency levels (up to 6%), as well as comprehensive chemical recovery liquors (Black Liquor in 4 concentrations, Green Liquor, Lime Mud, Dregs, Filtrate, Alkalis, and Tall Oil Soap). โ€ข Common Chemicals: Sodium Hydroxide, Sulphuric Acid, Antifoams, and Lubricating Oils. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

LMRA Safety4 screens
PipeDN4 screens

Verdict

The call

The clearest difference is in-app purchases: LMRA Safety at none against PipeDN's 3. On price, update cadence, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. PipeDN sells 3 in-app purchases, starting at $4.99 per year. LMRA Safety asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

Scorecard1 real difference ยท 5 level
LMRA Safety versus PipeDN: the parameters behind the verdict, then further details
ParameterLMRA SafetyPipeDN
PriceFreeFree
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS14.0 โ€” better15.1
Further details โ€” not scored
Size43 MB40 MB
Age rating4+4+
DeveloperMicro-ConceptsAQUILES DE LIMA

In-app purchases

None

LMRA Safety

No in-app purchases

3 purchases

PipeDN

Subscriptions2
  • PipeDN Pro$4.991 Year
  • PipeDN Pro$7.991 Month
One-time1
  • PipeDN Pro$79.99

Questions

Is LMRA Safety free?
LMRA Safety is free to download, with no in-app purchases.
Is PipeDN free?
PipeDN is free to download, with in-app purchases available.
Do LMRA Safety or PipeDN have ads?
Neither LMRA Safety nor PipeDN shows ads.
Which is updated more often, LMRA Safety or PipeDN?
LMRA Safety ships an update every 3 weeks, and PipeDN every 3 weeks. Most recently, LMRA Safety was updated on October 25, 2026 and PipeDN on October 31, 2026.

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