Best Free Code Editor Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

Whether you're new to free code editor or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Free Code Editor Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Koder Code EditorKoder Code EditorFree4.6★ (12K)NoNoSep 2026
2QuickCode: Code EditorQuickCode: Code EditorFree4.0★ (4)NoNoSep 2026
3Runestone Text EditorRunestone Text EditorFree was $4.994.7★ (2K)NoYesSep 2026
4HTML Creator : Editor & ViewerHTML Creator : Editor & ViewerFree4.7★ (52)NoNoSep 2026
5Textastic Code EditorTextastic Code EditorFree was $9.994.7★ (2.5K)NoYesSep 2026
6Visual CodeVisual CodeFree4.3★ (3.5K)NoYesSep 2026
7Code Master - Source Code EditorCode Master - Source Code EditorFree2.7★ (55)NoNoMay 2026
8Developer File EditorDeveloper File EditorFree5.0★ (1)NoYesMay 2026

Top Picks for Free Code Editor

Koder Code Editor#1

Koder Code Editor by Reny Mustika

(S)FTP, Dropbox, Webdav, SSH
4.6😐(12K ratings)
Free
#25in Developer Tools
Koder Code Editor screenshot 1
Koder Code Editor screenshot 2
Koder Code Editor screenshot 3
Koder Code Editor screenshot 4

A powerful code editor for mobile devices, offering syntax highlighting for over 80 languages, remote file access, and a built-in terminal. Perfect for developers who need to code on the go with a well-designed interface.

What We Love

  • 🚀 Great for coding on the go
  • 👍 Clean and intuitive UI
  • 🚀 Efficient file management
  • 🚀 Supports multiple file formats
  • 🚀 Seamless cloud integration

Room to Improve

  • 🐛 Crashes and stability issues
  • 🐛 Bugs when switching between apps
  • 🐛 File corruption and data loss
  • 🐛 Unreliable SFTP/SSH connections
  • 🐛 Lack of customization options
Runestone Text Editor#3

Runestone Text Editor by Simon B. Støvring

Edit plain text and code
Worth Considering
🛠️ Developer Tools
4.7😊(2K ratings)
FreeIn-App Purchases
#34in Developer Tools
Runestone Text Editor screenshot 1
Runestone Text Editor screenshot 2
Runestone Text Editor screenshot 3
Runestone Text Editor screenshot 4
Runestone Text Editor screenshot 5
Runestone Text Editor screenshot 6

A powerful plain text and code editor for iPhone and iPad. Offers syntax highlighting, line numbers, find and replace, and extensive customization options for developers and writers.

What We Love

  • 💎 Excellent text editor
  • 🚀 Smooth and responsive
  • 🎨 Customizable themes and appearance
  • 🔒 Secure file storage and sync
  • 👍 Clean and intuitive interface
  • 💰 Good value for premium version
  • 🤖 Helpful developer

Room to Improve

  • 🐛 Occasional crashes or bugs
  • 🔍 Difficulty navigating files/folders
  • 📝 Limited functionality without premium
  • 🔌 Performance issues on older devices
  • 🔒 Difficulty accessing files in cloud storage

More Free Code Editor apps to explore

FAQ about Free Code Editor

What are the best free code editor apps for iPhone?
Koder Code Editor tops our free code editor apps ranking as of September 2026, with a 4.6-star average from 12K App Store ratings, and it's free to download.
Koder Code Editor has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ free code editor apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Koder Code Editor is a mobile application designed for editing code on iPads and iPhones. It provides features like syntax highlighting for numerous programming languages, remote file management, and a built-in terminal for SSH connections, allowing users to code anytime and anywhere.
Key features include syntax highlighting for over 80 languages, code autocomplete, a snippet manager, tabbed editing, find and replace functionality, access to remote files via SFTP, Dropbox, and WebDAV, and a built-in SSH client. It also supports custom editor themes and Bluetooth keyboard input.