Comparison

Infinity Sketch vs KiCAD Schematic Viewer

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

Head to head
About

Infinity Sketch

Create precise schematics with a customizable grid and line editing system. Seamlessly integrate images as backgrounds or symbols to enhance your workflow. Enjoy a practically infinite canvas for unrestricted creativity, all offline and completely free.

Highlights
  • Customizable grid for precision
  • Image import for backgrounds/symbols
  • Practically infinite canvas
  • Offline functionality
  • Apple Pencil and finger drawing support
  • Combines freehand and grid lines
Features
Read full description

Infinity Sketch is the ultimate tool for fast grid based sketching of any kind, now enhanced with seamless image support. Built on top of Apple’s default drawing canvas, it introduces a powerful, fully customizable grid and line editing system, making it ideal for quickly sketching precise schematics. Easily paste images from your system pasteboard to use as backgrounds or symbols, boosting your creative workflow. It is completely free with no hidden charges, no in-app purchases, and no internet connection required. It works entirely offline, so you can sketch anytime, anywhere, without interruptions or freemium distractions. Whether you're using Apple Pencil on iPad or finger drawing on iPhone, Infinity Sketch adapts to your workflow, offering a modern, document-based interface that fits your needs. With its practically infinite canvas, you’ll never run out of space to create. What sets Infinity Sketch apart is its combination of hand-drawn symbols with straight, grid-based lines. This approach delivers clean, professional-looking results with an artistic touch, making your sketches both functional and visually appealing. Key Features: Fully customizable grid for precision sketching Seamless Apple Pencil integration on iPad Supports finger drawing on iPhone and iPad Huge canvas for unrestricted creativity Image support: Paste images from pasteboard as backgrounds or symbols for enhanced creativity Combines freehand symbols and grid-based lines for unique, artful results Pro Tip: Easily Annotate Screenshots Paste a screenshot from the pasteboard into Infinity Sketch using the Insert Image icon. Choose "Pin selected images to background" from the Rectangle Select menu to lock it for annotation. Unpin to edit again. Whether you're sketching circuit diagrams, flowcharts, or any other schematic, Infinity Sketch offers the tools to make your designs shine. Privacy Policy: https://www.circuitshepherd.com/privacy-policy-for-Infinity-Sketch.html

About

KiCAD Schematic Viewer

View and analyze KiCAD schematic files on mobile. Browse component layouts, electrical connections, and signal paths with interactive tools. Supports AI-driven analysis for enhanced design verification.

Highlights
  • View KiCAD schematic files
  • Analyze component layout and connections
  • Interactive design verification
  • Real-time zoom, pan, and rotation
  • Multiple display modes
  • Web interface for file management
  • AI model integration via MCP
Features
Read full description

This is a lightweight APP for viewing KiCAD generated schematic files in a mobile environment. No matter what questions, opinions or ideas you have, you can send an email to xjerry248@gmail.com. KiCAD Schematic Viewer is a highly professional tool developed specifically for viewing and reviewing schematic design files generated by KiCAD. The tool integrates an advanced graphical interface that allows users to deeply browse schematic designs in a single-layer view mode, supporting comprehensive analysis and verification of complex schematics. Users can view the component layout, electrical connections, and signal paths in detail, and perform interactive design verification and troubleshooting. KiCAD Schematic Viewer provides real-time zoom, pan, and rotation capabilities, enabling users to precisely locate and inspect every detail of the schematic. At the same time, the tool supports various display modes, including transparent view, high brightness display, and contrast enhancement, helping users to quickly identify and solve potential problems. You can access the Web interface of the APP directly in the browser, easily manage, upload, and download the schematic design file generated by KiCAD, and achieve cross-platform convenient and efficient file operation. KiCAD Schematic Viewer provides engineers with comprehensive support to ensure high quality, reliability, and manufacturability of schematic designs, whether at the beginning of design, mid-development, or final review before production. By using KiCAD Schematic Viewer, engineers can more efficiently perform design verification, optimization, and fault diagnosis, improving overall design efficiency and product quality. KiCAD Schematic Viewer supports the Model Context Protocol (MCP). Through this protocol, it can provide AI models with the necessary context from schematic files to enhance circuit schematic analysis. Engineers can connect KiCAD Schematic Viewer with AI - driven functions like automated design analysis and intelligent verification. This allows them to more effectively identify potential schematic design issues and improve the overall quality of their schematic designs.

Screenshots

Infinity Sketch4 screens
KiCAD Schematic Viewer4 screens

Verdict

The call

The clearest difference is review sentiment: Infinity Sketch at 75% against KiCAD Schematic Viewer's 0%. Infinity Sketch also leads on price (Free vs $2.99). KiCAD Schematic Viewer's advantage is chart position (#51 vs unranked) and update cadence (every 11 days vs every 3 weeks). On 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

Infinity Sketch is free to download; KiCAD Schematic Viewer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Infinity Sketch ships an update every 3 weeks, KiCAD Schematic Viewer every 11 days. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

Scorecard6 real differences · 5 level
Infinity Sketch versus KiCAD Schematic Viewer: the parameters behind the verdict, then further details
ParameterInfinity SketchKiCAD Schematic Viewer
PriceFree — better$2.99
Rating3.7 (15 ratings) — better—
Positive reviews75.0% of reviews — better0.0% of reviews
Number of ratings15 — better—
Update frequencyEvery 3 weeksEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank—#51 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size18 MB8 MB
Age rating4+4+
DeveloperJosef Woess明杰 曾

Customer experience

Infinity Sketch

All ratings15 ratings
Positive73.3%
Neutral0.0%
Negative26.7%
Written reviews12 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

KiCAD Schematic Viewer

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Infinity Sketch

No in-app purchases

None

KiCAD Schematic Viewer

No in-app purchases

Questions

Is Infinity Sketch free?
Infinity Sketch is free to download, with no in-app purchases.
Is KiCAD Schematic Viewer free?
KiCAD Schematic Viewer costs $2.99, with no in-app purchases.
Do Infinity Sketch or KiCAD Schematic Viewer have ads?
Neither Infinity Sketch nor KiCAD Schematic Viewer shows ads.
Which is updated more often, Infinity Sketch or KiCAD Schematic Viewer?
Infinity Sketch ships an update every 3 weeks, and KiCAD Schematic Viewer every 11 days. Most recently, Infinity Sketch was updated on September 10, 2026 and KiCAD Schematic Viewer on September 9, 2026.

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