Comparison

Electrical Engineering vs TMB Pro

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

Head to head
About

Electrical Engineering

This app provides electrical calculations and fundamental concepts for students and professionals. It covers Ohm's Law, power calculations, circuit analysis, and advanced topics like wire sizing and power factor correction.

Highlights
  • Electrical calculations
  • Basic electrical knowledge
  • Advanced electrical topics
  • Ohm's Law and power calculations
  • Circuit analysis theorems
  • Wire sizing and voltage drop
  • Resistor color codes
Features
Read full description

Electrical engineering for technical school and college: theory, formulas and calculators explained clearly. WHY CHOOSE IT • In-depth theory for every component and circuit • Calculators for every formula • Quizzes, mind maps and flashcards for revision • AI Scanner: turn your notes into maps and solve problems TOPICS • Direct current: Ohm's law, Kirchhoff's laws • Alternating current: phasors, impedance • Components: resistors, capacitors, inductors • Circuits: series, parallel, RLC • Electric machines: motors, transformers, generators • Electronics: diodes, transistors, semiconductors STUDY TOOLS • Calculators, quizzes, mind maps, flashcards, archive IDEAL FOR Technical school students and electrical engineering majors. Start studying electrical engineering the easier way today. SUBSCRIPTIONS AND TERMS Full access is available via auto-renewable subscription: • Monthly Subscription • Annual Subscription Prices are shown in the app at purchase and may vary by region. Payment will be charged to your Apple ID at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours of the end of the current period. Subscriptions can be managed and auto-renew turned off in your Apple ID Account Settings after purchase. Privacy Policy: https://masterapps.it/privacy_policy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

TMB Pro

Features
Read full description

Control de temperatura para el transporte frigorífico de la cadena de frío. Aplicación para la visualización y control de Termógrafo TMB Inside. Cumple normativa EN-12830 e ITC-3701

Screenshots

Electrical Engineering4 screens
TMB Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: TMB Pro at none against Electrical Engineering's 8. TMB Pro also leads on ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price, device support and iOS requirement 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. Electrical Engineering sells 7 in-app purchases, starting at $3.99 per month. TMB Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Electrical Engineering ships an update every 2 months, TMB Pro every 9 days. The most recent releases landed on October 16, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 7 level
Electrical Engineering versus TMB Pro: the parameters behind the verdict, then further details
ParameterElectrical EngineeringTMB Pro
PriceFreeFree
Rating4.8 (12 ratings) — better—
Positive reviews73.9% of reviews—
Number of ratings12 — better—
Update frequencyEvery 2 monthsEvery 9 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.514.0 — better
Further details — not scored
Size115 MB42 MB
Age rating4+4+
DeveloperCarlo TerraccianoFocusmetrica SL

In-app purchases

7 purchases

Electrical Engineering

Subscriptions5
  • Monthly subscription - Electro$3.991 Month
  • Monthly subscription - Electro$5.991 Month
  • Annual Subscription Electronic$8.991 Year
Show 2 more
  • Annual Subscription Electronic$24.991 Year
  • Annual Subscription Electronic1 Year trial2 variants$24.991 Year
One-time2
  • Lifetime Subscription Electro$29.99
  • Circuits & Electric Machines$99.99
None

TMB Pro

No in-app purchases

Questions

Is Electrical Engineering free?
Electrical Engineering is free to download, with in-app purchases available.
Is TMB Pro free?
TMB Pro is free to download, with no in-app purchases.
Do Electrical Engineering or TMB Pro have ads?
Electrical Engineering shows ads; TMB Pro does not.
Which is updated more often, Electrical Engineering or TMB Pro?
Electrical Engineering ships an update every 2 months, and TMB Pro every 9 days. Most recently, Electrical Engineering was updated on October 16, 2026 and TMB Pro on September 29, 2026.

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