Infinity Sketch vs KiCAD Schematic Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- 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
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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
Verdict
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
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.
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.
| Parameter | Infinity Sketch | KiCAD Schematic Viewer |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 3.7 (15 ratings) — better | — |
| Positive reviews | 75.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 15 — better | — |
| Update frequency | Every 3 weeks | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | — | #51 — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Josef Woess | 明杰 曾 |
Customer experience
Infinity Sketch
KiCAD Schematic Viewer
In-app purchases
Infinity Sketch
No in-app purchases
KiCAD Schematic Viewer
No in-app purchases
Questions
Is Infinity Sketch free?
Is KiCAD Schematic Viewer free?
Do Infinity Sketch or KiCAD Schematic Viewer have ads?
Which is updated more often, Infinity Sketch or KiCAD Schematic Viewer?
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