Comparison

Circuit Calculator vs Lesson Plan Pro

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

Head to head
About

Circuit Calculator

This application allows users to build, simulate, and solve linear AC and DC electrical circuits. It is designed for students, engineers, and electronics enthusiasts to aid in study, verification, and practical circuit analysis. Users can visualize current flow and analyze component values directly on schematics.

Highlights
  • Build schematics with drag-and-drop components
  • Solve for steady-state voltages and currents
  • Real-time DC current flow animation
  • Compute power values and ThΓ©venin/Norton equivalents
  • Supports rectangular and polar notation
  • Save, export, and import circuits
  • Interactive user guide and example circuits
Features
Read full description

Circuit Calculator - The Essential Tool for Circuit Solutions: Solve circuit problems effortlessly! Circuit Calculator is the go-to app for students, engineers, and electronics enthusiasts. Quickly build, simulate, and solve linear AC and DC circuits - ideal for study, verification, or practical use. Build, Solve & Review Results: β€’ Create schematics by dragging, rotating, and snapping components β€’ Tap solve to compute steady-state voltages and currents β€’ Follow DC current flow with real-time animations β€’ Zoom and pan around to review results directly on the schematic β€’ Tap detailed analysis to also compute power values Perfect for Learning & Quick Verification: Whether you're checking your homework or confirming a design, Circuit Calculator supports both rectangular and polar notation - just like textbook problems. It focuses on steady-state behaviour in linear circuits, making it ideal for academic and professional use. Other Key Features: β€’ Interactive user guide β€’ Pre-built example circuits β€’ Supports DC and sinusoidal AC circuits β€’ Computes ThΓ©venin and Norton equivalents β€’ Save to iCloud for access across devices β€’ Export/share circuits or PDF snapshots β€’ Import circuits from others β€’ Undo/redo and copy/paste support Available Components: β€’ Independent Ideal Current Sources β€’ Independent Ideal Voltage Sources β€’ Current-Controlled Current Sources β€’ Current-Controlled Voltage Sources β€’ Voltage-Controlled Current Sources β€’ Voltage-Controlled Voltage Sources β€’ Resistors, Capacitors & Inductors β€’ Mutually Coupled Inductors (AC only) β€’ Impedances (AC only) β€’ Diodes (DC only) Learn More & See It in Action! Want to see Circuit Calculator in action? Visit our website or check out our YouTube channel for tutorials!

About

Lesson Plan Pro

Features
Read full description

Lesson Plan Pro is a modern app designed to simplify lesson plan management – perfect for students, parents, and anyone involved in education. With this app, you always have the latest lesson plan and key school information at your fingertips. The app features a clear and intuitive interface that allows you to quickly check your daily lessons. You can easily add and edit subjects, assign teachers, and mark holidays and special events. Lesson Plan Pro also supports managing multiple schedules simultaneously, which is ideal for siblings or parents who want to keep track of their children's schedules. With support for alternating weeks (A/B) and the ability to set reminders for upcoming classes, you'll never miss an important lesson. Additionally, the widget feature allows you to keep important information on the home screen without having to open the app. Lesson Plan Pro is the perfect solution for anyone who values organization and convenience. Take control of your time and ensure you never miss a class again! Lesson Plan Pro is a modern app designed to help you easily manage your class schedule – perfect for students, parents, and anyone involved in education. With this app, you always have your up-to-date timetable and the most important school information at your fingertips. The app features a clear and intuitive interface, allowing you to quickly check your daily lessons. You can easily add and edit subjects, assign teachers, and mark holidays or special events. Lesson plan pro also supports managing multiple schedules at once, which is ideal for siblings or parents who want to keep track of their children's plans. With support for alternating weeks (A/B) and the option to set reminders for upcoming classes, you'll never miss an important lesson. Additionally, the widget feature lets you keep essential information on your home screen without even opening the app. Lesson plan pro is the perfect solution for anyone who values organization and convenience. Take control of your time and be confident that you'll never miss a class again!

Screenshots

Circuit Calculator4 screens
Lesson Plan Pro4 screens

Verdict

The call

The clearest difference is price: Circuit Calculator at Free against Lesson Plan Pro's $0.99. Lesson Plan Pro's advantage is iOS requirement (12.0 vs 18.0). On update cadence, ads, in-app purchases 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

Circuit Calculator is free to download; Lesson Plan Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Circuit Calculator ships an update monthly, Lesson Plan Pro every 2 months. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

Scorecard2 real differences Β· 6 level
Circuit Calculator versus Lesson Plan Pro: the parameters behind the verdict, then further details
ParameterCircuit CalculatorLesson Plan Pro
PriceFree β€” better$0.99
Positive reviews52.8% of reviewsβ€”
Update frequencyMonthly β€” betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS18.012.0 β€” better
Further details β€” not scored
Size2 MB30 MB
Age rating4+4+
DeveloperNeil WoodcockGrzegorz Rakoca

In-app purchases

None

Circuit Calculator

No in-app purchases

None

Lesson Plan Pro

No in-app purchases

Questions

Is Circuit Calculator free?
Circuit Calculator is free to download, with no in-app purchases.
Is Lesson Plan Pro free?
Lesson Plan Pro costs $0.99, with no in-app purchases.
Do Circuit Calculator or Lesson Plan Pro have ads?
Neither Circuit Calculator nor Lesson Plan Pro shows ads.
Which is updated more often, Circuit Calculator or Lesson Plan Pro?
Circuit Calculator ships an update monthly, and Lesson Plan Pro every 2 months. Most recently, Circuit Calculator was updated on October 16, 2026 and Lesson Plan Pro on October 1, 2026.

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