Comparison

STL File Viewer Pro vs KeyQ ColorLab

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

Head to head
About

STL File Viewer Pro

Easily view, rotate, and inspect 3D STL files on your iPhone or iPad. Load models instantly from various sources for 3D printing, design review, or engineering inspection.

Highlights
  • Instant STL file loading
  • Full 360° rotation and zoom
  • Sharp detail rendering
  • Light and dark mode support
  • Lightweight and fast performance
  • Open files from Files, email, AirDrop
Features
Read full description

View, Rotate & Inspect Your 3D STL Files with Ease! Open any STL file in seconds — no sign-up, no clutter, just your 3D model ready to explore. STL File Viewer lets you load, rotate, zoom, and inspect 3D STL files directly on your iPhone or iPad. Built for speed, it handles everything from small parts to complex models smoothly. Whether you're reviewing jewelry CAD files before production, checking 3D print files for errors, or inspecting engineering designs on the go — this is the fastest way to view STL files on iOS. WHAT YOU GET: Instant file loading — open STL files from Files, email, AirDrop, or any app Full 360° control — rotate, zoom, and pan with intuitive touch gestures Measure STL file distance between 2 points Estimate STL File Weight in different materials Sharp detail rendering Light & dark mode — comfortable viewing anywhere Lightweight & fast — no bloat, no lag BUILT FOR: - 3D printing enthusiasts previewing files before printing - Jewelry designers reviewing CAD models - Engineers and architects inspecting parts on the go - Students and hobbyists exploring 3D models No account required. Just open and view using our simple STL Viewer App. Download now and see your CAD files the way they're meant to be seen. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

KeyQ ColorLab

Features
Read full description

Color Palette is a simple and elegant tool that helps you discover beautiful color combinations. • Tap to generate new palettes • Save your favorite palettes to history • Copy HEX codes with a tap • Use as inspiration for design, art, or decor Whether you're a designer, artist, or just love color, Color Palette makes it easy to explore and save color ideas anytime.

Screenshots

STL File Viewer Pro3 screens
KeyQ ColorLab4 screens

Verdict

The call

The clearest difference is in-app purchases: KeyQ ColorLab at none against STL File Viewer Pro's 3. KeyQ ColorLab also leads on ads (none vs shown). STL File Viewer Pro's advantage is chart position (#94 vs unranked). On price, 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. STL File Viewer Pro sells 3 in-app purchases, starting at $1.99 per 7 days. KeyQ ColorLab asks for nothing beyond the download.

Scorecard3 real differences · 8 level
STL File Viewer Pro versus KeyQ ColorLab: the parameters behind the verdict, then further details
ParameterSTL File Viewer ProKeyQ ColorLab
PriceFreeFree
Rating4.5 (81 ratings) — better—
Positive reviews10.0% of reviews—
Number of ratings81 — better—
Update frequencyFortnightly—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#94 — better—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.6 — better17.6
Further details — not scored
Size16 MB17 MB
Age rating4+4+
DeveloperAndeesh Mehdi SyedKeyQ, Inc.

In-app purchases

3 purchases

STL File Viewer Pro

Subscriptions3
  • Weekly3 Days trial$1.997 Days
  • Monthly3 Days trial$3.991 Month
  • Ad Free for 1 Year3 Days trial$24.991 Year
None

KeyQ ColorLab

No in-app purchases

Questions

Is STL File Viewer Pro free?
STL File Viewer Pro is free to download, with in-app purchases available.
Is KeyQ ColorLab free?
KeyQ ColorLab is free to download, with no in-app purchases.
Do STL File Viewer Pro or KeyQ ColorLab have ads?
STL File Viewer Pro shows ads; KeyQ ColorLab does not.

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