Comparison

VoltLab vs Engineering Operational Detail

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

Head to head
About

VoltLab

This app simplifies learning electricity through interactive lessons and visual experiments. It offers offline access, quizzes with detailed solutions, and a reference guide for formulas. Ideal for students and educators seeking to understand electrical concepts.

Highlights
  • Interactive circuit building
  • Visual experiment results
  • Self-paced learning
  • Quizzes with step-by-step solutions
  • Offline access to lessons
  • Reference guide for formulas
Features
Read full description

Physics is easier to understand when you see it in action. In VoltLab, you explore electricity through interactive experiments, while lessons with AI narration help you understand what’s happening — step by step, at your own pace. What’s inside: • AI-narrated lessons — explore electricity with clear explanations and visual examples. • Interactive experiments — put the laws of physics to the test in experiments you control. • Quizzes with worked solutions — solve problems and reinforce your knowledge with detailed explanations. • No ads — immerse yourself in lessons and experiments without ad breaks. • Offline access — keep learning even without an internet connection. • Free content — learn something new and reinforce what you’ve learnt at no cost. Who it’s for: • School students and school leavers — understand what’s behind the formulas and laws in your textbook. • University students and independent learners — connect theory with what you see in the experiments and better understand electrical phenomena. • Teachers and tutors — show in action what’s difficult to explain in words. Download VoltLab — your discovery lab awaits! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://xelzlqhbkncusjefnhma.supabase.co/storage/v1/object/public/terms/privacy_policy.pdf

About

Engineering Operational Detail

Features
Read full description

Seagull CES Crew Evaluation Test The application will help you prepare for passing computer tests Seagull CES Engineering. Operational (Detailed) The application contains 121 questions on the topic: Engineering. Operational (Detailed). The application is equipped with a convenient search. It is possible to take a practice test that you can set up yourself.

Screenshots

VoltLab4 screens
Engineering Operational Detail4 screens

Verdict

The call

The clearest difference is price: VoltLab at Free against Engineering Operational Detail's $6.99. VoltLab also leads on update cadence (every 6 days vs every 38 months). Engineering Operational Detail's advantage is in-app purchases (none vs 7). On ads, 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

VoltLab is free to download; Engineering Operational Detail costs $6.99 up front. VoltLab sells 7 in-app purchases, starting at $3.99 per month. Engineering Operational Detail asks for nothing beyond the download.

UpkeepUpdate frequency

VoltLab ships an update every 6 days, Engineering Operational Detail every 38 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
VoltLab versus Engineering Operational Detail: the parameters behind the verdict, then further details
ParameterVoltLabEngineering Operational Detail
PriceFree — better$6.99
Rating5.0 (391 ratings) — better—
Positive reviews96.8% of reviews—
Number of ratings391 — better—
Update frequencyEvery 6 days — betterEvery 38 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size132 MB13 MB
Age rating4+4+
DeveloperDenis GladkiiMaxim Lukyanenko

In-app purchases

7 purchases

VoltLab

Subscriptions2
  • VoltLab Pro One Month$3.991 Month
  • VoltLab Pro One Year$12.991 Year
One-time5
  • VoltLab Pro One Year$6.99
  • VoltLab Donat$10.99
  • VoltLab Pro$39.99
Show 2 more
  • VoltLab Donate$49.99
  • Awesome VoltLab Donat$99.99
None

Engineering Operational Detail

No in-app purchases

Questions

Is VoltLab free?
VoltLab is free to download, with in-app purchases available.
Is Engineering Operational Detail free?
Engineering Operational Detail costs $6.99, with no in-app purchases.
Do VoltLab or Engineering Operational Detail have ads?
Neither VoltLab nor Engineering Operational Detail shows ads.
Which is updated more often, VoltLab or Engineering Operational Detail?
VoltLab ships an update every 6 days, and Engineering Operational Detail every 38 months. Most recently, VoltLab was updated on November 3, 2026 and Engineering Operational Detail on October 30, 2026.

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