Comparison

AI Viewer vs CAD FastView

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

Head to head
About

AI Viewer

View Adobe Illustrator (.ai) files on your mobile device without needing a license. Convert .ai files to PDF or PNG, zoom in on previews, and easily locate Illustrator files stored on your device.

Highlights
  • Preview .ai files
  • Save as PDF or PNG
  • List all .ai files on device
  • Pinch to zoom
  • Remove ads permanently
  • Contact support
Features
Read full description

AIViewer app can preview .ai files created using Adobe illustrator. View Adobe illustrator files on your iPhone/iPad without buying costly license. Using AI Viewer, you can do the following - 1. Preview all pages of Adobe illustrator(.ai) files. Language supported : English, Korean, Thai and more are coming soon. 2. Save .ai file as .pdf file or .png image into mobile device. 3. List all Adobe illustrator(.ai) present in mobile device. 4. Pinch to zoom to show large preview. 5. In-app purchases: to remove full page advertisement permanently during application use. 6. Contact Us : In case of any query feel free to contact us at support@magicapps.co.in or use contact us button provided in application. Terms of use(EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

CAD FastView

View, convert, and print CAD drawings on your mobile device. Supports DWG, DXF, and PDF formats with iCloud sync and Wi-Fi printing. Ideal for architects, engineers, and construction professionals.

Highlights
  • Fast DWG/DXF viewing
  • Convert drawings to PDF
  • Wi-Fi printing
  • iCloud synchronization
  • Layer layout management
  • Multiple viewing options
Features
Read full description

CAD FastView is a multifunctional CAD drawing viewer and sharing app that supports a wide range of CAD formats. It lets you quickly open and view CAD drawings in formats such as DWG, DXF, DWT, DWS, DWF, STEP, STL, IFC, IGES, BREP, FCStd and more. It also supports opening 3D file formats including OBJ, FBX, GLTF, GLB, 3DS and DAE with 2D projection viewing. You can also convert CAD drawings to PDF, print drawings, sync files with iCloud, and manage your drawings with ease. Used by millions of professionals worldwide, including architects, engineers, construction specialists, field technicians, and contractors from various industries. Whether it's mechanical drafting, electrical design, civil engineering, or interior decoration, CAD FastView can handle it all effortlessly! Committed to creating a mobile product that satisfies CAD users globally, CAD FastView provides users with high-quality products and services and continually improves product quality while developing more practical features. ---------------------------------- [Core Features] 1. Wide CAD Format Support: - CAD Formats: Supports DWG, DXF, DWT, DWS, DWF, STEP, STL, IFC, IGES, BREP, FCStd & more. - 3D Formats: Open OBJ, FBX, GLTF, GLB, 3DS, DAE & more with 2D projection viewing. Easily import and open CAD files from Files, other apps, or transfer them via Wi-Fi. 2. Perfect High-Definition Display: Enjoy lossless zoom capabilities to view fine details. It automatically matches thousands of fonts to eliminate missing character or text encoding issues. Provides layer layout management and multiple viewing background modes. 3. One-Click iCloud Sync: Seamlessly sync your drawings to iCloud and access them across your iPhone, iPad, and Mac computers. Check the latest blueprints on your mobile device directly at the construction site. 4. CAD to PDF Conversion: Convert CAD drawings to high-definition PDF files with just one click. Easily share via social media or email, making team communication barrier-free. ---------------------------------- [Premium Member Benefits] - Import drawings unlimited times; - Unlimited high-definition viewing; - Unlimited CAD to PDF conversion; - Enjoy permanent pop-up ads; - Access to all premium features. Subscription Details: Subscription periods: One week, One month, One year. Payment: Payment will be charged directly to your iTunes account upon confirmation of purchase. Cancel renewal: To cancel the renewal, please manually turn off the auto-renewal feature in your iTunes/Apple ID settings at least 24 hours before the current subscription period expires. Renewal: Your Apple iTunes account will be charged within 24 hours prior to expiration. Upon successful payment, the subscription will be extended by one period. Free Trial: Any unused portion of a free trial period will be forfeited when the user purchases a subscription. Privacy Policy: https://www.cadview.cn/privacy_policy.html User Agreement: https://www.cadview.cn/user_agreement.html Subscription Terms: https://www.cadview.cn/SubscriptionTerms.html

Screenshots

AI Viewer4 screens
CAD FastView4 screens

Verdict

The call

The clearest difference is rating: CAD FastView at 4.1 against AI Viewer's 2.9. CAD FastView also leads on ads (none vs shown) and review sentiment (54% vs 29%). AI Viewer's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, in-app purchases and monetization model 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. AI Viewer sells 1 in-app purchase, starting at $24.99 per year and CAD FastView sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CAD FastView holds the better App Store score, 4.1 against 2.9. Both are backed by a comparable volume of ratings — 14 and 56 respectively. Written reviews point the same way: 29% of AI Viewer's written reviews are positive against 54% of CAD FastView's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
AI Viewer versus CAD FastView: the parameters behind the verdict, then further details
ParameterAI ViewerCAD FastView
PriceFreeFree
Rating2.9 (14 ratings)4.1 (56 ratings) — better
Positive reviews28.6% of reviews54.2% of reviews — better
Number of ratings1456 — better
Update frequencyFortnightlyFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size19 MB33 MB
Age rating4+4+
DeveloperVaibhav Singhal镇源 余

Customer experience

AI Viewer

All ratings14 ratings
Positive42.9%
Neutral7.1%
Negative50.0%
Written reviews14 reviews
Positive28.6%
Neutral7.1%
Negative64.3%

CAD FastView

All ratings50 ratings
Positive72.0%
Neutral6.0%
Negative22.0%
Written reviews24 reviews
Positive54.2%
Neutral0.0%
Negative45.8%

In-app purchases

1 purchases

AI Viewer

Subscriptions1
  • Yearly Subscription$24.991 Year
3 purchases

CAD FastView

Subscriptions3
  • Weekly3 Days trial$6.997 Days
  • Monthly3 Days trial$12.991 Month
  • Yearly3 Days trial$29.991 Year

Questions

Is AI Viewer free?
AI Viewer is free to download, with in-app purchases available.
Is CAD FastView free?
CAD FastView is free to download, with in-app purchases available.
Which has better reviews, AI Viewer or CAD FastView?
CAD FastView is rated higher. AI Viewer averages 2.9 out of 5 from 14 ratings, while CAD FastView averages 4.1 from 56 ratings.
Do AI Viewer or CAD FastView have ads?
AI Viewer shows ads; CAD FastView does not.
Which is updated more often, AI Viewer or CAD FastView?
AI Viewer ships an update fortnightly, and CAD FastView fortnightly. Most recently, AI Viewer was updated on October 26, 2026 and CAD FastView on October 30, 2026.

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