Circuit Calculator vs VoltLab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Build schematics with drag-and-drop components
- Solve for steady-state voltages and currents
- Real-time DC current flow animation
- Compute power values and Thévenin/Norton equivalents
- Supports rectangular and polar notation
- Save, export, and import circuits
- Interactive user guide and example circuits
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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: • Create schematics by dragging, rotating, and snapping components • Tap solve to compute steady-state voltages and currents • Follow DC current flow with real-time animations • Zoom and pan around to review results directly on the schematic • 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: • Interactive user guide • Pre-built example circuits • Supports DC and sinusoidal AC circuits • Computes Thévenin and Norton equivalents • Save to iCloud for access across devices • Export/share circuits or PDF snapshots • Import circuits from others • Undo/redo and copy/paste support Available Components: • Independent Ideal Current Sources • Independent Ideal Voltage Sources • Current-Controlled Current Sources • Current-Controlled Voltage Sources • Voltage-Controlled Current Sources • Voltage-Controlled Voltage Sources • Resistors, Capacitors & Inductors • Mutually Coupled Inductors (AC only) • Impedances (AC only) • 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!
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.
- Interactive circuit building
- Visual experiment results
- Self-paced learning
- Quizzes with step-by-step solutions
- Offline access to lessons
- Reference guide for formulas
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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
Screenshots
Verdict
The clearest difference is review sentiment: VoltLab at 97% against Circuit Calculator's 53%. VoltLab also leads on update cadence (every 6 days vs monthly) and iOS requirement (15.0 vs 18.0). Circuit Calculator's advantage is in-app purchases (none vs 7). On price, ads 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
Both are free to download. VoltLab sells 7 in-app purchases, starting at $3.99 per month. Circuit Calculator asks for nothing beyond the download.
Circuit Calculator ships an update monthly, VoltLab every 6 days. Both last shipped on October 16, 2026.
| Parameter | Circuit Calculator | VoltLab |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (381 ratings) — better |
| Positive reviews | 52.8% of reviews | 96.8% of reviews — better |
| Number of ratings | — | 381 — better |
| Update frequency | Monthly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 125 MB |
| Age rating | 4+ | 4+ |
| Developer | Neil Woodcock | Denis Gladkii |
Customer experience
Circuit Calculator
VoltLab
In-app purchases
Circuit Calculator
No in-app purchases
VoltLab
- VoltLab Pro One Month$3.991 Month
- VoltLab Pro One Year$12.991 Year
- VoltLab Pro One Year$6.99
- VoltLab Donat$10.99
- VoltLab Pro$39.99
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- VoltLab Donate$49.99
- Awesome VoltLab Donat$99.99
Questions
Is Circuit Calculator free?
Is VoltLab free?
Do Circuit Calculator or VoltLab have ads?
Which is updated more often, Circuit Calculator or VoltLab?
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