Comparison

QR vs STL Viewer

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

Head to head
About

QR

Easily create and customize QR codes for various purposes, including Wi-Fi, websites, contacts, and events. Enhance your codes with logos, AI-powered backgrounds, and unique styling options. Manage and share your creations seamlessly.

Highlights
  • Generate QR codes for Wi-Fi, websites, contacts, and more
  • Customize pixel shapes, colors, and eye designs
  • Integrate logos and use AI-powered backgrounds
  • Save, edit, and manage QR codes in a collection
  • Export QR codes in JPEG, PNG, PDF, and SVG formats
  • Apple Watch app for quick access and sharing
Features
Read full description

Create Stunning QR-codes with Ease QR-Creator is the ultimate app for designing, customizing, and sharing QR-codes for Wi-Fi logins, websites, calendar events, locations, contacts, and much more. Whether you’re a business owner or a casual user, QR-Creator provides all the tools you need to craft simple or richly styled QR-codes tailored to your needs. With a sleek, intuitive interface designed for maximum productivity, QR-Creator puts you in full control of your QR-code creation process. Key Features: • Generate QR-codes for: • Wi-Fi – Allow quick guest login in your café or office lobby. • Websites – Link directly to menus, booking pages, or your website. • Calendar – Send event invitations directly to guests’ calendars. • Locations – Guide guests to your venue using map links. • Contacts – Instantly share your digital business card. • Text – Share promo codes, access codes, or coupons. • Emails & Messages – Open a pre-filled support email or text message. • Calls – Trigger a phone call to your business number. • Copy – Copy existing QR-codes to your Collection by scanning them. • Video Channels – Direct your audience to your YouTube or video content. • And More! – Social media links, app downloads, surveys, and more. • Rich Styling Options: Customize every aspect of your QR-codes: • Pixel Styling – Choose pixel shapes and colors. • Eye & Pupil Design – Modify eye and pupil shapes, colors, and styles. • Adjustable Layout – Fine-tune margins and corner radius for a polished look. • Logo Integration – Add your own logo for branding. • Randomize – Instantly generate unique QR-code designs. • Readability Check – Help ensure your QR-codes remain scannable. • AI-powered backgrounds. Use backgrounds to create QR code cards, preview your codes on product images to see how they’ll look in real life, or even generate custom backgrounds designs for your next party invitation with AI-powered style. • Collection Management Save, view, and edit your QR-codes along with their design, content, and workspace settings. Utilize your iPhone and Apple Watch as a wallet to conveniently store all your vital QR-codes. • Seamless Sharing & Exporting • Share or export in popular formats like JPEG, PNG, PDF, or SVG for professional use. • Perfect for marketing via email, websites, promo flyers, and printed materials. • Perfect for: Shops, cafés, restaurants, hotels, clubs, agencies, and casual users. • Apple Watch App • All QR-codes in your collection are mirrored to your Apple Watch via iCloud. • Perfect for quick sharing by scanning business cards, Wi-Fi logins, calendar events, or any other frequently used codes. Try for Free! Get full access to all features free for 7 days with a yearly subscription (includes Family Sharing support). Download QR-Creator now and transform how you create and share QR-codes. By using this app you agree to the Apple Standard EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

STL Viewer

Features
Read full description

Someone sent you a model. It's a 3MF, you're away from your computer, and your phone can't open it. LayerPeek opens it, then tells you what you need to know before you print: will it fit your printer, how many plates it has, and what might go wrong. It's a 3D model viewer made for printing: an STL file viewer, a 3MF project viewer and a G-code layer viewer in one app. No account. Your files are read on your device and never uploaded. OPEN THE FILE YOU WERE SENT • STL, 3MF, OBJ and G-code files, plus sliced .gcode.3mf projects • ZIP downloads from model sites: pick the part you want from inside the archive • Open from Files, iCloud Drive, Mail, AirDrop or a chat app with Open in… • Large models are simplified for display, while measurements use the full mesh WILL IT FIT YOUR PRINTER? Pick your printer once. Every model you open shows whether it fits the bed, with the spare room in millimeters. If it doesn't fit as it sits, LayerPeek checks whether turning it on the bed would make it fit. 3MF PROJECTS, NOT JUST SHAPES Opens 3MF projects from popular slicers with their plates and filament colors. Switch between plates and see which parts sit on each one. SLICED FILES: TIME AND GRAMS FROM THE FILE Sliced .gcode.3mf projects already carry the numbers your slicer calculated. LayerPeek reads the print time, the grams of each filament color and the plate thumbnails straight from the file. Plain .gcode files show the print time and filament use written in their header. G-CODE LAYER VIEWER • Drag the scrubber to step through the print layer by layer • See extrusion and travel moves in different colors • Print time and filament use, read from the file MEASURE AND CHECK THE MESH • Overall dimensions in millimeters • Tap two points to measure the distance between them • Mesh health: holes and open edges that can cause slicing trouble • Overhang shading shows the areas likely to need supports WEIGHT AND COST ESTIMATE Choose a material and your price per kilogram. For unsliced models, LayerPeek estimates a typical print (2 walls, 15% infill) and also shows the fully solid weight. Sliced files show the grams your slicer calculated. MAKE PARTS THAT FIT Need a part rather than a file? Pick a template, set the sizes in millimeters, see it on your printer's bed and save an STL or 3MF: • Cases for popular microcontroller and single-board computer boards, built from their published dimensions • Boxes with dividers, name tags in one or two colors, cable clips, spacers and wall mounts • Turn a photo into a lithophane, a keychain, a sign or a stamp SHARE A VERDICT CARD Turn the result into one image with a picture of the model, the fit check and the key numbers. Send it to a friend, a customer or your print group. FREE, WITH AN OPTIONAL PRO UPGRADE LayerPeek is free with ads. Pro removes the ads and unlocks the Pro Make templates, pricing a plate with cost and margin, advanced checks with multiple printers, and more colors in colour pictures. SUPPORTED FILES .stl (binary and text) · .3mf · .gcode.3mf · .obj · .gcode · .zip SUBSCRIPTION AND PRICING • LayerPeek Pro Lifetime — $9.99, one payment • LayerPeek Pro Monthly — $1.99 per month, renews automatically • Payment is charged to your Apple Account at confirmation of purchase • A subscription renews unless it is cancelled at least 24 hours before the end of the current period • Manage or cancel anytime in your Apple Account settings Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cosmovex.web.app/apps/layerpeek/privacy-policy

Screenshots

QR4 screens
STL Viewer4 screens

Verdict

The call

The clearest difference is ads: QR at none against STL Viewer's shown. STL Viewer's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. QR sells 2 in-app purchases, starting at $1.99 per 7 days and STL Viewer sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

QR ships an update every 4 days, STL Viewer every 6 days. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
QR versus STL Viewer: the parameters behind the verdict, then further details
ParameterQRSTL Viewer
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 days — betterEvery 6 days
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size151 MB48 MB
Age rating4+4+
DeveloperMeir VakninSahana A S

In-app purchases

2 purchases

QR

Subscriptions2
  • Weekly$1.997 Days
  • Annual7 Days trial$19.991 Year
2 purchases

STL Viewer

Subscriptions1
  • LayerPeek Pro Monthly$1.991 Month
One-time1
  • LayerPeek Pro Lifetime$9.99

Questions

Is QR free?
QR is free to download, with in-app purchases available.
Is STL Viewer free?
STL Viewer is free to download, with in-app purchases available.
Do QR or STL Viewer have ads?
STL Viewer shows ads; QR does not.
Which is updated more often, QR or STL Viewer?
QR ships an update every 4 days, and STL Viewer every 6 days. Most recently, QR was updated on October 6, 2026 and STL Viewer on October 13, 2026.

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