Comparison

iformula pro vs Electrical Engineering Pack

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

Head to head
About

iformula pro

This comprehensive math learning platform offers over 4000 equations and functions across various advanced topics. It features a powerful search, a scientific calculator, note-taking, and bookmarking capabilities to aid academic study and professional reference.

Highlights
  • Over 4000 math equations
  • Full-featured equation search
  • New scientific calculator
  • Notes system
  • Bookmarking for favorite equations
  • Dual language support (English & German)
Features
Read full description

iformula pro is much more than a simple math equation library app like other apps, it is a math productive learning platform and has become a standard for higher math education at schools and universities ! iformula pro was specially developed for academic students, engineers, high school students, math course students and for math home schooling and distance learning, as well as a refresher for scientist with higher mathematics skills and all people, who are interested in math. Failing an exam or can't go on with your calculations, because not knowing an equation, belong to the past ! iformula pro app includes the following functions: ► Math equation topics, more than 4000 of math equations included: * Areas, Planes * Analysis * Binomials * Bodies * Complex Numbers * Constants * Derive * Differential Equation * Fractions * Geometric Constructions * Geometry * Graphic Functions * Greek Alphabet * Integration * Logarithm * La Place * Power * Probability * Quadratic Equations * Roots * Series, Sequences * Trigonometry * Units * Statistical distributions * Distribution tables * and much more ► App functions: * Full featured equation and math topics search functionality (search for thousands of math topics) * New Scientific calculator (re-engineered) * Notes system for important equation notes * Bookmarking system for your favorite equations ! * Full app dual language support: English & German * Search for all topics and categories All math formulas and functions are included in the app no, need to download anything ! There is no need of carrying around heavy paper mathematics library books anymore - iformula is your right choice ! This app does not include any annoying advertisement !! That powerful validation, and our reputation for safety, durability, reliability, and ease of use, has also driven our consumer dedication further than ever anticipated. Moving forward, our commitment to "Perfection" remains steadfast: We will never compromise quality. We will continue to invest tremendous resources in the technology and talent necessary to improve our products wherever possible; and we will always strive to deliver maximum customer satisfaction! Exclusion of liability ! Exclusion of warranty and guarantee !

About

Electrical Engineering Pack

This app provides a comprehensive suite of electrical calculators and converters for engineers, electricians, and students. It features over 60 calculators for various electrical parameters and 16 converter categories with extensive unit support. Calculations update automatically as input values or units are changed.

Highlights
  • 60+ Electrical Calculators
  • 16 Electrical Converter Categories
  • Automatic Calculation Updates
  • Resistor Color Code Calculator
  • Upgraded Voltage Drop Calculator
  • NEC/IEEE Standards Compliant
Features
Read full description

A complete pack of 60 Electrical Calculators and 16 Electrical Converters — designed for electrical engineers, electricians, and students. Now includes a Resistor Color Code Calculator and an upgraded Voltage Drop Calculator compliant with NEC/IEEE standards. Electrical Calculator List (60) 1. Resistor Color Code Calculator (New) 2. Transformer Calculator (Step-Up and Step-Down Voltage & Current Calculations) 3. Voltage Calculator 4. Current Calculator 5. Resistance Calculator 6. Power Calculator 7. Voltage Drop Calculator (Updated for NEC/IEEE Standards) 8. kVA to Amps (Single Phase) 9. kVA to Amps (Three Phase) 10. Amps to kVA (Single Phase) 11. Amps to kVA (Three Phase) 12. Single Phase Power Calculator 13. Three Phase Power Calculator 14. Single Phase Current Calculator 15. Three Phase Current Calculator 16. DC Horsepower 17. Single Phase Horsepower 18. Three Phase Horsepower 19. DC Current (HP) Calculator 20. Single Phase Current (HP) Calculator 21. Three Phase Current (HP) Calculator 22. Efficiency (DC) Calculator 23. Efficiency (Single Phase) Calculator 24. Efficiency (Three Phase) Calculator 25. Power Factor (Single Phase) Calculator 26. Power Factor (Three Phase) Calculator 27. Luminous Intensity Calculator 28. Luminous Flux Calculator 29. Solid Angle Calculator 30. Energy Cost Calculator 31. Energy Stored (Resistance) Calculator 32. Energy Stored (Inductance) Calculator 33. Energy Stored (Capacitance) Calculator 34. Star to Delta Conversion 35. Delta to Star Conversion 36. Inductive Reactance Calculator 37. Capacitive Reactance Calculator 38. Resonant Frequency Calculator 39. Inductor Sizing Formula 40. Capacitor Sizing Formula 41. Resistance (Series) Calculator 42. Resistance (Parallel) Calculator 43. Inductance (Series) Calculator 44. Inductance (Parallel) Calculator 45. Capacitance (Series) Calculator 46. Capacitance (Parallel) Calculator 47. Unknown Resistance (Series) Calculator 48. Unknown Resistance (Parallel) Calculator 49. Unknown Capacitance (Series) Calculator 50. Unknown Capacitance (Parallel) Calculator 51. Neutral Current (3-Phase Unbalanced Loads) 52. Characteristic Impedance (Parallel) 53. Characteristic Impedance (Coaxial) Electrical Converter Overview The Electrical Converter translates between multiple electrical units and supports both SI and USCS systems. Includes 16 Categories, 173 Units, and over 2,100 conversions. Converter Categories (16): 1. Field Strength 2. Electric Potential 3. Resistance 4. Resistivity 5. Conductance 6. Conductivity 7. Capacitance 8. Inductance 9. Charge 10. Linear Charge Density 11. Surface Charge Density 12. Volume Charge Density 13. Current 14. Linear Current Density 15. Surface Current Density 16. Power Smart Calculation Behavior Calculations update automatically when users change: • Input values • Input units • Output units

Screenshots

iformula pro4 screens
Electrical Engineering Pack4 screens

Verdict

The call

The clearest difference is rating: Electrical Engineering Pack at 4.7 against iformula pro's 3.0. Electrical Engineering Pack also leads on in-app purchases (none vs 1) and review sentiment (75% vs 45%). iformula pro's advantage is price ($2.99 vs $4.99). On update cadence, ads, monetization model and device support 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

iformula pro costs $2.99 and Electrical Engineering Pack $4.99 up front. iformula pro sells 1 one-off in-app purchase. Electrical Engineering Pack asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Electrical Engineering Pack holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Electrical Engineering Pack has 76 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 45% of iformula pro's written reviews are positive against 75% of Electrical Engineering Pack's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
iformula pro versus Electrical Engineering Pack: the parameters behind the verdict, then further details
Parameteriformula proElectrical Engineering Pack
Price$2.99 — better$4.99
Rating3.0 (2 ratings)4.7 (76 ratings) — better
Positive reviews45.5% of reviews75.0% of reviews — better
Number of ratings276 — better
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.6
Further details — not scored
Size88 MB14 MB
Age rating17+4+
DeveloperTobias WernerV PUGAZHENTHI

Customer experience

iformula pro

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews22 reviews
Positive45.5%
Neutral18.2%
Negative36.4%

Electrical Engineering Pack

All ratings76 ratings
Positive90.8%
Neutral6.6%
Negative2.6%
Written reviews8 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

In-app purchases

1 purchases

iformula pro

One-time1
  • draw function graph$0.99
None

Electrical Engineering Pack

No in-app purchases

Questions

Is iformula pro free?
iformula pro costs $2.99, and also offers in-app purchases.
Is Electrical Engineering Pack free?
Electrical Engineering Pack costs $4.99, with no in-app purchases.
Which has better reviews, iformula pro or Electrical Engineering Pack?
Electrical Engineering Pack is rated higher. iformula pro averages 3.0 out of 5 from 2 ratings, while Electrical Engineering Pack averages 4.7 from 76 ratings.
Do iformula pro or Electrical Engineering Pack have ads?
Neither iformula pro nor Electrical Engineering Pack shows ads.
Which is updated more often, iformula pro or Electrical Engineering Pack?
iformula pro ships an update every 4 months, and Electrical Engineering Pack every 4 months. Most recently, iformula pro was updated on October 13, 2026 and Electrical Engineering Pack on October 12, 2026.

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