Comparison

Mec Eng Tools vs Polyverse

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

Head to head
About

Mec Eng Tools

This utility app calculates thermodynamic properties using IAPWS-97 equations. It allows users to determine various properties like pressure, temperature, enthalpy, and specific volume based on different input parameters. The app supports multiple units for calculations.

Highlights
  • IAPWS-97 equation calculations
  • Calculate properties from pressure and temperature
  • Calculate properties from pressure and enthalpy
  • Calculate properties from pressure and entropy
  • Calculate properties from pressure and quality
  • Support for multiple units
Features
Read full description

Steam Tables Lite has evolved into Mec Eng Tools. Your water and steam tools are now part of a mechanical engineering calculation workspace. Explore eight modules organized by discipline: β€’ Steam Tables: water and steam properties, thermodynamic states, records and diagrams. β€’ Heat & Mass Transfer: conduction, convection, radiation, phase change, heat exchangers and mass transfer. β€’ Steam Turbines: performance, extractions, energy balances and expansion diagrams. β€’ Fluid Mechanics: properties, flows, pressure losses and hydraulic machinery. β€’ Pipe Tools: dimensions, schedules and piping calculations. β€’ Machine Design: tools for analyzing mechanical components. β€’ Stress & Strain: models for exploring structural element behavior. β€’ Pressure Vessels: shell and head calculations and checks available in the module. CALCULATE AND UNDERSTAND Choose a model, enter your data and review results with their units. Where applicable, select data from integrated catalogs and tables. Learn through theory, illustrations and worked examples. Save calculations and export reports in tools that support these features. YOUR STEAM TABLES IS STILL HERE The Steam Tables module retains its tools and the option to restore previous purchases. English, Portuguese and Spanish. Light and dark interfaces for iPhone and iPad. Some features require an in-app purchase. Review the included items on the purchase screen before confirming.

About

Polyverse

Features
Read full description

Polyverse is your all-in-one language companion, designed to break down communication barriers and bring the world to your fingertips. Whether you’re traveling abroad, chatting with international colleagues, or simply curious about new tongues, Polygot delivers lightning-fast translations across text, voice, and imagesβ€”right from your phone.

Screenshots

Mec Eng Tools4 screens
Polyverse2 screens

Verdict

The call

The clearest difference is in-app purchases: Polyverse at none against Mec Eng Tools's 10. Mec Eng Tools's advantage is update cadence (every 2 months vs every 5 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support 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. Mec Eng Tools sells 10 one-off in-app purchases. Polyverse asks for nothing beyond the download.

UpkeepUpdate frequency

Mec Eng Tools ships an update every 2 months, Polyverse every 5 months. The most recent releases landed on November 6, 2026 and September 25, 2026 respectively.

Scorecard3 real differences Β· 5 level
Mec Eng Tools versus Polyverse: the parameters behind the verdict, then further details
ParameterMec Eng ToolsPolyverse
PriceFreeFree
Positive reviews21.1% of reviewsβ€”
Update frequencyEvery 2 months β€” betterEvery 5 months
AdsNoNo
In-app purchasesYesNo β€” better
MonetizationFree with in-app purchasesβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.1 β€” better17.0
Further details β€” not scored
Size41 MB1 MB
Age rating4+4+
DeveloperEduardo AlmeidaAshish Singh

In-app purchases

10 purchases

Mec Eng Tools

One-time10
  • Upgrade Steam Tables$3.99
  • Stress & Strain$4.99
  • Machine Design$4.99
Show 7 more
  • Pressure Vessels$4.99
  • Fluids & Piping Pack$6.99
  • Thermal Pack: Steam Complement$6.99
  • Thermal Sciences Pack$10.49
  • Solids & Design Pack$10.49
  • Collection: Steam Complement$24.49
  • Complete Engineering Collection$27.99
None

Polyverse

No in-app purchases

Questions

Is Mec Eng Tools free?
Mec Eng Tools is free to download, with in-app purchases available.
Is Polyverse free?
Polyverse is free to download, with no in-app purchases.
Do Mec Eng Tools or Polyverse have ads?
Neither Mec Eng Tools nor Polyverse shows ads.
Which is updated more often, Mec Eng Tools or Polyverse?
Mec Eng Tools ships an update every 2 months, and Polyverse every 5 months. Most recently, Mec Eng Tools was updated on November 6, 2026 and Polyverse on September 25, 2026.

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