Comparison

Digital Circuit Simulator Lite vs Circuit Simulator

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

Head to head
About

Digital Circuit Simulator Lite

This app helps students learn digital engineering and computer science concepts through interactive logic circuit design. It provides a flexible workspace with various logic gates and tools to build and simulate digital circuits in real-time. Ideal for understanding fundamental computer operations and performing lab experiments.

Highlights
  • Logic gate simulation (AND, OR, NOT, etc.)
  • Real-time circuit building and testing
  • Virtual wiring and link tools
  • Unlimited scrollable design plane
  • Circuit lock for safe operation
  • Synchronized digital waveform clock generators
  • Save, load, share, and print circuits
Read full description

DigicalSim (formerly: iLogicDesigner) is a full featured app which assists students in logic design, digital engineering, computer science and mathematics. The app based on basic digital building blocks, logic gates. No knowledge of logic gates or digital circuits is required. It offers the basic building blocks, wiring tools and a flexible plane to create live real-time digital circuits, ideal for anyone who wants to learn the basic principles of how computers work - especially students of digital engineering, learn how to create simple logic gates, latches, flip-flops, adders, shift registers and counters. it can help them perform complete lab experiments. ► Features: - AND, NAND, OR, NOR, XOR, XNOR, Buffer, NOT, j-k Flip-Flop, D Flip-Flop, T Flip-Flop, Switch, Clock, Vcc, GND, VLink-Out, VLink-In, LED, 7-Segment Display, LED Stack Bar, and Label. - Flood gates (3 & 4) inputs for the gates (AND, NAND, OR, NOR, XOR, XNOR). - Multi-Color smooth curved wires. - Ability to add Virtual Links for tidy circuits. - Unlimited scrollable plane space, for extra large projects. - Run mode for clean circuit look, while operating live. - Circuit Lock, for safe Run. - Two switch operation modes (Toggle or Pulse). - Switchable synchronized digital waveform clock generators. with adjustable frequency. - Switches can be linked to work exclusively together. - Both Positive edge & Negative edge triggering supported for flip-flops, with indicator. - Configurable LED light color. - Live value indicators at each leg, for easy analysis. - Customizable tag for elements. - Customizable labels can be added anywhere. - Design-Time snap grid for easier alignment and cleaner look. - Zoom in & out, Also can be automatically zoomed to Show Circuit extents. - Persistent Circuit, it saves current circuit automatically to be completed later. - Save and load circuits using file manager. - A library of ready made circuit examples for quick jump start. - Circuits Can be shared and printed. - Re-assignable circuit diagram origin. - Append another circuit to the current circuit. - Highlight the gate wirings while dragged. - Select, deselect, duplicate, move & delete gates in groups. - Groups of elements can have distinctive Color and Label with customizable font and font color. - Auto scroll the plane when reach the edged while wiring, dragging or selecting. - Elastic selection rectangle to easily select elements. - Undo functionality, with 10 steps backward. - Direct wiring to use with Apple Pen. - Support to Pick'n Drop. - Boolean function viewer for each Gates & LED, while in run mode. - Live Timeline Viewer.

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/

Screenshots

Digital Circuit Simulator Lite4 screens
Circuit Simulator4 screens

Verdict

The call

The clearest difference is review sentiment: Circuit Simulator at 77% against Digital Circuit Simulator Lite's 33%. Circuit Simulator also leads on rating (4.7 vs 2.9) and ratings volume (93 vs 30). Digital Circuit Simulator Lite's advantage is in-app purchases (none vs 8) and update cadence (fortnightly vs every 6 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Circuit Simulator sells 8 in-app purchases, starting at $0.99 per month. Digital Circuit Simulator Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Circuit Simulator holds the better App Store score, 4.7 against 2.9. Both are backed by a comparable volume of ratings — 30 and 93 respectively. Written reviews point the same way: 33% of Digital Circuit Simulator Lite's written reviews are positive against 77% of Circuit Simulator's.

UpkeepUpdate frequency

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

Scorecard7 real differences · 3 level
Digital Circuit Simulator Lite versus Circuit Simulator: the parameters behind the verdict, then further details
ParameterDigital Circuit Simulator LiteCircuit Simulator
PriceFreeFree
Rating2.9 (30 ratings)4.7 (93 ratings) — better
Positive reviews33.3% of reviews76.9% of reviews — better
Number of ratings3093 — better
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better15.3
Further details — not scored
Size37 MB103 MB
Age rating4+4+
DeveloperAmran AlQasmiSindhu Gopi

Customer experience

Digital Circuit Simulator Lite

All ratings29 ratings
Positive41.4%
Neutral10.3%
Negative48.3%
Written reviews27 reviews
Positive33.3%
Neutral7.4%
Negative59.3%

Circuit Simulator

All ratings87 ratings
Positive92.0%
Neutral3.4%
Negative4.6%
Written reviews13 reviews
Positive76.9%
Neutral7.7%
Negative15.4%

In-app purchases

None

Digital Circuit Simulator Lite

No 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

Questions

Is Digital Circuit Simulator Lite free?
Digital Circuit Simulator Lite is free to download, with no in-app purchases.
Is Circuit Simulator free?
Circuit Simulator is free to download, with in-app purchases available.
Which has better reviews, Digital Circuit Simulator Lite or Circuit Simulator?
Circuit Simulator is rated higher. Digital Circuit Simulator Lite averages 2.9 out of 5 from 30 ratings, while Circuit Simulator averages 4.7 from 93 ratings.
Do Digital Circuit Simulator Lite or Circuit Simulator have ads?
Neither Digital Circuit Simulator Lite nor Circuit Simulator shows ads.
Which is updated more often, Digital Circuit Simulator Lite or Circuit Simulator?
Digital Circuit Simulator Lite ships an update fortnightly, and Circuit Simulator every 6 weeks. Most recently, Digital Circuit Simulator Lite was updated on October 24, 2026 and Circuit Simulator on October 27, 2026.

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