Comparison

CAD Viewer Editor vs Vector Curve

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

Head to head
About

CAD Viewer Editor

This app allows users to view and edit DWG and DXF drawings offline on Apple devices. It supports various AutoCAD file versions and offers a range of 2D drafting tools. Drawings can be exported to PDF, PNG, or DXF formats.

Highlights
  • View and edit DWG & DXF drawings
  • Offline functionality
  • 2D drafting and editing tools
  • Export to PDF, PNG, and DXF
  • Privacy-focused design
  • Optimized for Apple devices
Features
Read full description

CAD Viewer Editor is a fast, privacy-first DWG & DXF viewer and 2D editor for iPhone, iPad, and Mac. Open AutoCAD-compatible drawings from email, AirDrop, the Files app, iCloud, Dropbox, or Google Drive — and work on them entirely offline. No account, no ads, no uploads. CAD Viewer Editor renders large drawings smoothly on Apple silicon, with crisp lines, accurate colors, faithful layer rendering, and proper SHX / TTF / Big Font text. KEY FEATURES Open DWG & DXF drawings • DWG R14 through R2018 — every mainstream release • DXF ASCII read & write — round-trip to AutoCAD, BricsCAD, ZWCAD, GstarCAD, DraftSight • Multi-document tabs — switch between drawings instantly • Drag & drop files onto the canvas (iPad / Mac) • Open from Files, Mail, Safari, AirDrop, Share Sheet Smooth viewing • Pinch to zoom, two-finger pan, double-tap to fit • Configurable grid, axes, and background • Layer panel: show, hide, isolate, lock • Block (INSERT) browser — drill into nested blocks • Object properties: color, layer, linetype, line weight, geometry 2D drafting & editing tools • Draw lines, polylines, circles, arcs, rectangles, ellipses, splines, text • Move, copy, rotate, scale, mirror, offset, trim, extend • Grip-edit selected objects with direct manipulation • Snap to grid; smart selection (window, crossing, all) • Multi-level undo & redo Export & share • Export to PDF — single-page or multi-page, custom size • Export to PNG raster at any resolution • Export back to DXF for round-tripping to desktop CAD • Export tables to CSV • System Share Sheet — Mail, Messages, AirDrop Designed for privacy • Fully offline — no internet required to open or edit • Zero account, zero sign-up, zero ads • Your drawings never leave the device unless YOU share them • No telemetry by default; opt-in crash reports only iPad & Apple Pencil ready • Layouts optimized for iPhone, iPad, and macOS • Apple Pencil support for precise selection and markup • Stage Manager and multitasking on iPad • Trackpad, mouse, keyboard shortcut support on Mac 57 languages English, 简体中文, 繁體中文, 日本語, 한국어, Español, Français, Deutsch, Português, Italiano, Русский, العربية, Türkçe, Tiếng Việt, ไทย, हिन्दी, and more. WHO IT'S FOR • Architects and structural engineers on site • Mechanical, electrical, plumbing engineers reviewing shop drawings • Civil, road, bridge and survey engineers • Interior designers reviewing floor plans • Project managers, contractors, foremen • Real-estate agents reviewing blueprints • CAD students learning AutoCAD-compatible workflows COMPATIBILITY CAD Viewer Editor reads and writes DWG / DXF files produced by AutoCAD, BricsCAD, ZWCAD, GstarCAD, DraftSight, LibreCAD, QCAD, and other CAD applications. Not affiliated with or endorsed by Autodesk, Inc. FEEDBACK We read every email. Tap "Send Feedback" in the app, or write to support@iothub.cloud — feature requests welcome. Give it a try — no account, no commitment.

About

Vector Curve

Features
Read full description

Vector Curve is a vector drawing workspace for illustration and design on iPhone and iPad. Sketch freely with pen and brush tools, edit paths and shapes, organize layers, and export files ready for social, print, and production. DRAW WITH PRECISION • Pen, brush, eraser, and shape tools (line, rectangle, circle, triangle) • Classic, taper, end-taper, and jitter brushes with pressure and smoothing • Custom brush presets, path points, and simplify for clean vectors • Premium tools: Blob Brush, Art Brush, Polyline, and Bézier Path DESIGN LIKE A PRO ILLUSTRATOR • Layers with lock, opacity, reorder, and blend modes • Symmetry modes: horizontal, vertical, quadral, and radial • Grid and snap for aligned layouts • Boolean pathfinder: combine, minus front, intersect, exclude, divide • Draw Inside This Shape and Fill Shape with Elements • Shape library, image import, and SVG import • Group, ungroup, break apart, and copy/paste across layers and projects EXPORT FOR REAL WORK • JPEG and PNG for everyday sharing • Premium: hi-res PNG (up to 3600px), SVG with or without background, and layered ZIP for Photoshop-friendly workflows • Canvas presets for square, landscape, portrait, Instagram, A4, Letter, or custom sizes STAY ORGANIZED • Document gallery with autosave and continue last session • Share selected elements as reusable design snippets PREMIUM Unlock advanced drawing tools, unlimited gallery saves, and high-resolution export formats. Choose weekly, monthly, or lifetime. Restore purchases anytime. Whether you create illustrations, motifs, social graphics, or print-ready artwork, Vector Curve gives you a focused vector workflow in your pocket. Privacy Policy: https://sites.google.com/view/vectorcurveprivacypolicy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Additional Terms: https://sites.google.com/view/vectorcurvetermsofuse/

Screenshots

CAD Viewer Editor4 screens
Vector Curve4 screens

Verdict

The call

The clearest difference is in-app purchases: CAD Viewer Editor at none against Vector Curve's 3. CAD Viewer Editor also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.6). On price, update cadence and ads 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. Vector Curve sells 3 in-app purchases, starting at $0.99 per 7 days. CAD Viewer Editor asks for nothing beyond the download.

UpkeepUpdate frequency

CAD Viewer Editor ships an update every 2 weeks, Vector Curve weekly. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

Scorecard3 real differences · 7 level
CAD Viewer Editor versus Vector Curve: the parameters behind the verdict, then further details
ParameterCAD Viewer EditorVector Curve
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size54 MB5 MB
Age rating4+4+
DeveloperHefei Yunyilian Intelligent Technology Co., LtdCengiz Bodur

In-app purchases

None

CAD Viewer Editor

No in-app purchases

3 purchases

Vector Curve

Subscriptions2
  • Premium Pro Weekly$0.997 Days
  • Pro Premium Monthly$1.991 Month
One-time1
  • Premium Pro Lifetime$17.99

Questions

Is CAD Viewer Editor free?
CAD Viewer Editor is free to download, with no in-app purchases.
Is Vector Curve free?
Vector Curve is free to download, with in-app purchases available.
Do CAD Viewer Editor or Vector Curve have ads?
Neither CAD Viewer Editor nor Vector Curve shows ads.
Which is updated more often, CAD Viewer Editor or Vector Curve?
CAD Viewer Editor ships an update every 2 weeks, and Vector Curve weekly. Most recently, CAD Viewer Editor was updated on September 18, 2026 and Vector Curve on September 12, 2026.

Other comparisons