Comparison

ME2Go vs Engineering Formulas

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

Head to head
About

ME2Go

This comprehensive reference app provides mechanical engineers with over 265 pages of content covering essential topics like thermodynamics, fluid mechanics, and machine design. It offers detailed derivations and explanations for both academic and professional use. The content is regularly updated to ensure users have access to the latest information.

Highlights
  • Extensive content (265+ pages)
  • Covers statistics to thermodynamics
  • Includes derivations and explanations
  • Content updated regularly
  • Topics: Design, Dynamics, Fluid Mechanics, Heat Transfer, Circuits, Machine Design, Math, Measurement, Statics, Statistics, Thermodynamics
Features
Read full description

With over 265 pages of content, this is the perfect app for any Mechanical Engineer! This app covers everything from statistics to thermodynamics. ME2Go shows derivations and explanations: everything you could possibly need in school or on the job. Content is always being updated and added to make sure you do not get left behind! Current content includes: • Design • Dynamics • Fluid Mechanics • Heat and Mass Transfer • Linear Circuits • Machine Design • Mathematics • Measurement Systems • Statics • Statistics • Thermodynamics

About

Engineering Formulas

Features
Read full description

EngiRef is the all-in-one engineering reference app that works 100% offline. Access formulas, material properties, reference tables, and a powerful unit converter - all without internet connection. FORMULA LIBRARY Browse 140+ essential engineering formulas organized by discipline: • Mechanical Engineering: stress, strain, torque, power, gear ratios, spring design • Electrical Engineering: Ohm's law, AC/DC circuits, impedance, resonance • Civil/Structural: beam deflection, Euler buckling, Manning's equation • Thermodynamics: ideal gas law, Carnot efficiency, heat transfer • Fluid Mechanics: Bernoulli, Reynolds number, Darcy-Weisbach • Materials Science: Young's modulus, Poisson's ratio, fatigue analysis BUILT-IN CALCULATOR Enter your values and get instant results. Every calculation shows step-by-step solutions so you understand the process, not just the answer. Perfect for learning and exam preparation. MATERIALS DATABASE Access properties for 55+ engineering materials: • Carbon steels (AISI 1018, 1045, 4140, 4340) • Stainless steels (304, 316, 17-4 PH) • Aluminum alloys (6061-T6, 7075-T6, 2024-T3) • Titanium, copper, nickel alloys • Plastics (ABS, HDPE, Nylon, PEEK, Delrin) • Composites, concrete, and wood Compare up to 3 materials side-by-side with density, tensile strength, elastic modulus, thermal conductivity, and more. REFERENCE TABLES • Bolt specifications: Metric M3-M36, SAE/Imperial sizes • Pipe schedules: NPS dimensions and wall thickness • Wire gauges: AWG 0000-40 with ampacity ratings UNIT CONVERTER Convert between 16 categories including length, pressure, temperature, force, energy, flow rate, and viscosity. Accessible from any screen via slide-over panel. PHYSICAL CONSTANTS Quick reference for 34 constants including speed of light, gravitational constant, Boltzmann constant, Avogadro's number, and more. QUIZ MODE Test your knowledge with flashcard-style quizzes. Track progress across all disciplines. Prepare for FE and PE exams. ADDITIONAL FEATURES • Dark and light themes (follows system setting) • Favorites to bookmark frequently used formulas • Calculation history with timestamps • Create and save custom formulas • Export and share your data • LaTeX formula rendering • iPad-optimized layouts PRIVACY FOCUSED EngiRef collects zero personal data. No analytics, no ads. All your calculations and favorites stay on your device. We believe engineering tools should respect your privacy. Whether you are a student preparing for exams, a working engineer needing quick field reference, or a technician looking for material specs, EngiRef puts essential engineering knowledge in your pocket. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ME2Go4 screens
Engineering Formulas4 screens

Verdict

The call

The clearest difference is iOS requirement: ME2Go at 10.0 against Engineering Formulas's 15.1. 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. ME2Go sells 10 one-off in-app purchases and Engineering Formulas sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 4, 2026.

Scorecard1 real difference · 9 level
ME2Go versus Engineering Formulas: the parameters behind the verdict, then further details
ParameterME2GoEngineering Formulas
PriceFreeFree
Rating3.0 (6 ratings) — better—
Positive reviews27.3% of reviews—
Number of ratings6 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.1
Further details — not scored
Size27 MB45 MB
Age rating4+12+
DeveloperJeff AlperovichMobin Akhter

In-app purchases

10 purchases

ME2Go

One-time10
  • ME2Go Mathematics$1.99
  • ME2Go Statics$1.99
  • ME2Go Dynamics$1.99
Show 7 more
  • ME2Go Machine Design$1.99
  • ME2Go Design$1.99
  • ME2Go Fluid Mechanics$1.99
  • ME2Go Heat and Mass Transfer$1.99
  • ME2Go Measurement Systems$1.99
  • ME2Go Mechanics of Materials$1.99
  • ME2Go Complete$9.99
3 purchases

Engineering Formulas

Subscriptions2
  • Weekly Premium$4.997 Days
  • Yearly Premium$29.991 Year
One-time1
  • Lifetime Access$54.99

Questions

Is ME2Go free?
ME2Go is free to download, with in-app purchases available.
Is Engineering Formulas free?
Engineering Formulas is free to download, with in-app purchases available.
Do ME2Go or Engineering Formulas have ads?
Neither ME2Go nor Engineering Formulas shows ads.
Which is updated more often, ME2Go or Engineering Formulas?
ME2Go ships an update every 2 months, and Engineering Formulas every 2 months. Most recently, ME2Go was updated on October 4, 2026 and Engineering Formulas on October 4, 2026.

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