Comparison

Infinity Sketch vs PCBAtlas

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

PCBAtlas

This app provides a local-first workspace for reviewing PCB designs on Apple devices. Import various design files, inspect layouts in 2D and 3D, organize revisions, and manage project data. It streamlines the review process for hardware teams and engineers.

Highlights
  • Import PCB design files (Gerber, ODB++, etc.)
  • 2D and 3D board review workspace
  • Organize board revisions
  • Project and schematic context browsing
  • Export PNG/PDF captures and source packages
Features
Read full description

Open and review PCB design and manufacturing files locally on iPhone, iPad, and Mac. PCBAtlas is a local-first PCB viewer and review workspace for hardware teams, PCB designers, firmware engineers, QA reviewers, and anyone who needs to inspect real board data away from a full EDA station. Import supported KiCad projects, schematics, board files, DSN, IPC-2581 XML, ODB++ archives or directories, and recognized manufacturing packages. Keep board revisions in managed PCB workspaces, inspect layouts in 2D, browse project and schematic context where available, and use board-level 3D when spatial context helps. What PCBAtlas helps with: - Open supported PCB design and manufacturing files without uploading them to a web viewer - Organize board revisions in a local library - Inspect dense boards with pan, zoom, layer controls, search, object details, and selection tools - Review project data, schematic context, statistics, and import status in Data views - Use board-level 3D for supported board sessions - Export PNG/PDF captures, original source packages, converted board outputs, and shareable handoff materials with PCBAtlas Plus The free tier lets you import and review boards with up to three PCB workspaces. PCBAtlas Plus is a one-time in-app purchase that unlocks unlimited workspaces, export, source delivery, converted outputs, and sharing workflows. PCBAtlas is built for review, inspection, QA, and delivery workflows.

Screenshots

Infinity Sketch4 screens
PCBAtlas4 screens

Verdict

The call

The clearest difference is rating: PCBAtlas at 5.0 against Infinity Sketch's 3.8. PCBAtlas also leads on update cadence (every 6 days vs every 3 weeks). Infinity Sketch's advantage is in-app purchases (none vs 1) and ratings volume (16 vs 2). On price, ads, device support and iOS requirement 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. PCBAtlas sells 1 one-off in-app purchase. Infinity Sketch asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PCBAtlas holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Infinity Sketch has 16 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Infinity Sketch ships an update every 3 weeks, PCBAtlas every 6 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
Infinity Sketch versus PCBAtlas: the parameters behind the verdict, then further details
ParameterInfinity SketchPCBAtlas
PriceFreeFree
Rating3.8 (16 ratings)5.0 (2 ratings) — better
Positive reviews75.0% of reviews—
Number of ratings16 — better2
Update frequencyEvery 3 weeksEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS18.017.0 — better
Further details — not scored
Size20 MB129 MB
Age rating4+4+
DeveloperJosef WoessShanghai Astroform Software Ltd.

Customer experience

Infinity Sketch

All ratings16 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews12 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

PCBAtlas

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Infinity Sketch

No in-app purchases

1 purchases

PCBAtlas

One-time1
  • Unlock Plus$24.99

Questions

Is Infinity Sketch free?
Infinity Sketch is free to download, with no in-app purchases.
Is PCBAtlas free?
PCBAtlas is free to download, with in-app purchases available.
Which has better reviews, Infinity Sketch or PCBAtlas?
PCBAtlas is rated higher. Infinity Sketch averages 3.8 out of 5 from 16 ratings, while PCBAtlas averages 5.0 from 2 ratings.
Do Infinity Sketch or PCBAtlas have ads?
Neither Infinity Sketch nor PCBAtlas shows ads.
Which is updated more often, Infinity Sketch or PCBAtlas?
Infinity Sketch ships an update every 3 weeks, and PCBAtlas every 6 days. Most recently, Infinity Sketch was updated on October 13, 2026 and PCBAtlas on October 7, 2026.

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