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Best Stl To Gcode Apps

249+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated September 2026

Whether you're new to stl to gcode or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Stl To Gcode Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
13d Print - STL slicer Klipper3d Print - STL slicer KlipperFree—NoYesAug 2026
23D GO | 3D Printing Models3D GO | 3D Printing ModelsFree4.7★ (3.9K)NoYesSep 2026
3STL File Viewer ProSTL File Viewer ProFree4.5★ (65)YesYesSep 2026
4Print To 3DPrint To 3DFree3.7★ (31)NoYesAug 2026
5Creality Cloud - 3D PrintingCreality Cloud - 3D PrintingFree4.6★ (7.1K)NoYesSep 2026
6EFUGY 3D SlicerEFUGY 3D SlicerFree5.0★ (1)NoNoAug 2026
7Sequence :: G-Code editor, CNCSequence :: G-Code editor, CNCFree4.3★ (64)NoYesSep 2026
8Slicer2: for 3d PrintersSlicer2: for 3d Printers$1.99—NoNoMay 2026

Top Picks for Stl To Gcode

3d Print - STL slicer Klipper#1

3d Print - STL slicer Klipper by paul moore

G-Code Stl Slicer and klipper
Editor's Choice
🔧 Utilities
0.0(0 ratings)
FreeIn-App Purchases
3d Print - STL slicer Klipper screenshot 1

This app simplifies 3D printing by allowing you to download STL files from Thingiverse, convert them to G-code, and upload them directly to your printer. Track print progress and customize settings without needing a PC.

3D GO | 3D Printing Models#2

3D GO | 3D Printing Models by SimpleDev LLC

Thingiverse Printables Cults3d
Strong Contender
🔧 Utilities
4.7😐(3.9K ratings)
FreeIn-App Purchases
3D GO | 3D Printing Models screenshot 1
3D GO | 3D Printing Models screenshot 2
3D GO | 3D Printing Models screenshot 3
3D GO | 3D Printing Models screenshot 4
3D GO | 3D Printing Models screenshot 5
3D GO | 3D Printing Models screenshot 6

This app consolidates 3D model searching, viewing, and slicing from major platforms into a single interface. It allows users to find, preview, organize, and prepare STL files for 3D printing, streamlining the entire workflow.

What We Love

  • 👍 Convenient and free app
  • 🚀 Great database of free files
  • 🚀 Easy to send prints directly to printer
  • 👍 Helpful developer response
  • 🚀 Seamless switching between sites

Room to Improve

  • 💰 Subscription required for full access
  • 🐛 Buggy app with crashes and freezes
  • 🚫 Inaccessible for smaller screens
  • 🚫 Limited functionality compared to websites
  • 🚫 Files saved as zips are inconvenient
STL File Viewer Pro#3

STL File Viewer Pro by Andeesh Mehdi Syed

Simplest Way To View STL Files
Worth Considering
🛠️ Developer Tools
4.5(65 ratings)
FreeAdsIn-App Purchases
#40in Developer Tools
STL File Viewer Pro screenshot 1
STL File Viewer Pro screenshot 2
STL File Viewer Pro screenshot 3

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.

More Stl To Gcode apps to explore

FAQ about Stl To Gcode

Are there free stl to gcode apps for iPhone?
Yes — 19 of the top stl to gcode apps we rank are free to download, including 3d Print - STL slicer Klipper and 3D GO | 3D Printing Models.
3d Print - STL slicer Klipper has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ stl to gcode apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
3d Print - STL slicer Klipper is a mobile application designed to streamline the 3D printing process. It allows users to download STL files, convert them to G-code, and upload them directly to their printers, all from their mobile device.
The app is specifically mentioned to work with any Creality printers and is designed for Klipper firmware. While it converts files to G-code, compatibility with other printer brands may vary.