Comparison

Circuit Simulator vs PDFWise

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

Head to head
About

Circuit Simulator

Design and simulate electronic and digital circuits in real-time. Visualize voltage and current flow, and analyze circuit behavior with tools like oscilloscopes and multimeters. Offers a user-friendly experience for circuit design and digital electronic analysis.

Highlights
  • Real-time electronic circuit simulation
  • Digital circuit simulation
  • Voltage and current analysis
  • Multichannel oscilloscope
  • Multimeter tools
  • Circuit design and tuning
Features
Read full description

VoltSim is a realtime electronic circuit simulator like Multisim, SPICE, LTspice, Altium or Proto for circuit design with a better user experience. VoltSim is a complete circuit app in which you can design circuits with various components and simulate an electric or digital circuit. During simulation you can check voltage, current and many other variables. Check signals on multichannel oscilloscope or multimeter and tune your circuit in real time! You can also use VoltSim as logic circuit simulator and perform digital electronic analysis! This app will help you visualize how the voltage varies across the circuit and how current flows through it. T&C: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

PDFWise

Features
Read full description

PDFWise – AskPDF transforms how you interact with PDF documents using AI. Upload any PDF and chat with it naturally. Ask questions, get precise answers, generate summaries, and uncover key insights instantly, no manual searching required. Powered by advanced document understanding, PDFWise reads your files so you don’t have to. Key Features • Chat with PDFs using natural language • Instant answers based on document content • Smart summaries for long files • Extract important points in seconds • Clean, fast, and intuitive experience Built for: • Students and researchers • Business professionals and teams • Anyone tired of scrolling through PDFs Your documents. Your questions. Instant answers. Experience a smarter way to read with PDFWise – AskPDF. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://moni1994.github.io/ask-pdf-privacy-policy/

Screenshots

Circuit Simulator4 screens
PDFWise4 screens

Verdict

The call

The clearest difference is update cadence: PDFWise at every 3 weeks against Circuit Simulator's every 6 weeks. On price, ads, in-app purchases 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

Both are free to download. Circuit Simulator sells 8 in-app purchases, starting at $0.99 per month and PDFWise sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Circuit Simulator ships an update every 6 weeks, PDFWise every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Circuit Simulator versus PDFWise: the parameters behind the verdict, then further details
ParameterCircuit SimulatorPDFWise
PriceFreeFree
Rating4.7 (93 ratings) — better—
Positive reviews76.9% of reviews—
Number of ratings93 — better—
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.315.1 — better
Further details — not scored
Size103 MB30 MB
Age rating4+4+
DeveloperSindhu GopiAbdul Basit

In-app purchases

8 purchases

Circuit Simulator

Subscriptions1
  • Extensions Subscription$0.991 Month
One-time7
  • Sensors Extension$0.99
  • Custom Chips Extension$1.99
  • Instruments extension$2.99
Show 4 more
  • Analog Extension$3.99
  • Misc Extension$3.99
  • Digital Extension$3.99
  • Extension Pack$12.99
2 purchases

PDFWise

Subscriptions2
  • Pro$12.991 Month
  • Pro$145.991 Year

Questions

Is Circuit Simulator free?
Circuit Simulator is free to download, with in-app purchases available.
Is PDFWise free?
PDFWise is free to download, with in-app purchases available.
Do Circuit Simulator or PDFWise have ads?
Neither Circuit Simulator nor PDFWise shows ads.
Which is updated more often, Circuit Simulator or PDFWise?
Circuit Simulator ships an update every 6 weeks, and PDFWise every 3 weeks. Most recently, Circuit Simulator was updated on October 27, 2026 and PDFWise on October 24, 2026.

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