Best Error Code App

211+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated May 2026

Looking for free error code app apps? 20 of our 211+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Error Code App

AppSheet#3

AppSheet by Solvebot Inc.

Make apps yourself. Code-free.
Worth Considering
💼 Business
3.4😐(197 ratings)
Free
AppSheet screenshot 1
AppSheet screenshot 2
AppSheet screenshot 3

Build custom mobile apps, web apps, and chatbots without coding. Connect to your cloud data to create forms, capture information, and automate workflows for various business needs.

What We Love

  • 👍 No-code app creation for non-developers
  • 🔄 Seamless Google Sheets integration
  • 📱 Cross-platform functionality (iOS, Android, Web)
  • 💼 Powerful for business and inventory management

Room to Improve

  • 🐛 Frequent crashes and freezing
  • ⚪ Blank white screen issues
  • 🔋 High battery consumption

More Error Code App apps to explore

4
Koder Code Editor
Koder Code Editor
Koder Code Editor
(S)FTP, Dropbox, Webdav, SSH
Free

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.

Syntax highlighting for 80+ languagesRemote file access (SFTP, Dropbox, WebDAV)Built-in SSH client
🛠️ Developer Tools
(9.3K)
paid
5
Happy: Codex & Claude Code App
Happy: Codex & Claude Code App
Happy: Codex & Claude Code App
Codex & Claude Code on the go
Free

This app provides a secure mobile interface for AI coding assistants, allowing you to continue sessions and monitor progress from anywhere. It features end-to-end encryption and a zero-knowledge architecture for ultimate privacy. Seamlessly switch between desktop and mobile for uninterrupted AI coding.

Seamless desktop and mobile session continuationPush notifications for AI tasksOffline access to conversation history
🛠️ Developer Tools
(684)
free with in-app purchases
6
Sololearn: Learn to Code
Sololearn: Learn to Code
Sololearn: Learn to Code
Python, Java, C#, HTML courses
Free

Learn programming languages like Python, Java, and C# through interactive lessons and hands-on practice. This app offers bite-sized courses, coding challenges, and AI-powered support to help you build practical coding skills on the go. Join millions of learners worldwide advancing their careers and creating real-world solutions.

Interactive coding lessonsHands-on coding exercisesAI-powered coding support
📚 Education
(81K)
free with in-app purchases
7
Encode: Learn to Code
Encode: Learn to Code
Encode: Learn to Code
Learn coding at your pace
Free

Learn to code with interactive, bite-sized lessons designed for busy schedules. Master popular languages like Python, JavaScript, and SQL through hands-on exercises and challenges. Ideal for beginners, this app makes coding accessible and fun, offering certificates upon completion.

Bite-sized interactive lessonsHands-on coding exercisesLearn Python, JavaScript, HTML/CSS, SQL
📚 Education
(6.1K)
free with in-app purchases
8
Scan QR Code - Create QR Code
Scan QR Code - Create QR Code
Scan QR Code - Create QR Code
Scan QR Code, Barcode
Free

This app allows you to quickly scan and create various types of QR codes and barcodes. It supports scanning from images, customizing QR code colors, and saving your scan history. Easily share created QR codes and open links directly in their corresponding applications.

Scan all barcode typesCreate diverse QR codes (URLs, Wi-Fi, contacts, etc.)Scan QR codes from images
🔧 Utilities
(570)
free with in-app purchases
9
App Studio: Create an app
App Studio: Create an app
App Studio: Create an app
for Businesses, Orgs and Teams
Free

Easily create professional mobile web apps for your business, organization, or event without any coding knowledge. Design custom menus, add social feeds, integrate e-commerce, and publish your app.

No-code app builderCustomizable menus and iconsSocial media feed integration
💼 Business
(2.3K)
free with in-app purchases
10
Scan QR Code - QR Scanner
Scan QR Code - QR Scanner
Scan QR Code - QR Scanner
Fast QR & Barcode Scanner
Free

This app offers fast and secure QR code and barcode scanning, with features like product verification and safe link analysis. It also allows for the creation of custom QR codes and includes an AI object identification tool. The modern interface ensures a smooth user experience.

Instant QR and barcode scanningSafe link analysis with Google Safe BrowsingAI object identification
🔧 Utilities
(205)
free with in-app purchases
11
Scan QR Code & Barcode
Scan QR Code & Barcode
Scan QR Code & Barcode
QR Code & Barcode AI Scanner
Free

Quickly scan QR codes and barcodes to access information. Generate and share your own codes, and keep an archive of all scanned and created codes. Supports auto-scan functionality for efficient use.

QR Code ScannerCreate QR CodesBarcode Scanner
🔧 Utilities
(36)
free with in-app purchases
12
rubyi - run code, autocomplete
rubyi - run code, autocomplete
rubyi - run code, autocomplete
Good helper for Ruby Learn
Free

Learn, run, and share Ruby scripts with an iOS app offering code completion, syntax highlighting, and a built-in browser. Customize your coding environment and even run code on your Apple Watch.

AutocompleteAuto IndentCode coloring
📊 Productivity
(23)
free with in-app purchases
13
TapCoding
TapCoding
TapCoding
coding trainer for Swift
Free

Learn Swift programming through interactive, bite-sized exercises. Build code with drag-and-drop, test your knowledge with true/false questions, and practice typing code to build muscle memory. Detect errors and improve your logic and syntax comprehension.

Bite-sized coding exercisesDrag-and-drop code buildingTrue/false concept reinforcement
📚 Education
(344)
free with in-app purchases
14
FastTrack QR: Scan&Create Code
FastTrack QR: Scan&Create Code
FastTrack QR: Scan&Create Code
Smart Scanner,Pro Creator Tool
Free

This app acts as a pocket code wizard, offering lightning-fast QR and barcode scanning. It also allows you to create your own QR codes using preset templates and color combinations, exporting them in high-definition PNG format.

QR/barcode scanningCustom QR code creationPreset templates and color options
🌟 Lifestyle
(31)
free
15
Quick QR Code Scan
Quick QR Code Scan
Quick QR Code Scan
AI QR & Art QR Code
Free

Easily scan QR codes and barcodes, even in low light. Create custom QR codes for texts, links, and more to share with friends. Access a history of all scanned and created codes.

Fast QR code scanningBarcode scanningQR code generation
🔧 Utilities
(59)
free
16
QuickCode: Code Editor
QuickCode: Code Editor
QuickCode: Code Editor
A Simple Code Editor
Free

A powerful and intuitive code editor for mobile devices. Offers syntax highlighting, customizable themes, and seamless file management. Ideal for both beginners and experienced developers to code on the go.

Syntax HighlightingCustomizable Editor ThemesMetadata Pane
🛠️ Developer Tools
(3)
free
17
Code Editor
Code Editor
Code Editor
Vusual Advanced Code Editing
Free

This mobile application offers a powerful and intuitive platform for on-the-go coding. It supports multiple programming languages with advanced features like code completion and syntax highlighting, along with customization options for a comfortable coding experience.

Multi-language support (Python, Java, JS, HTML, CSS)Intelligent code completionSyntax highlighting
🛠️ Developer Tools
(85)
subscription
18
MIT App Inventor
MIT App Inventor
MIT App Inventor
by Massachusetts Institute of Technology
Free

Learn programming and build mobile applications using a visual, block-based interface. This educational tool helps users understand computational thinking and design their own projects, with built-in tutorials and over 60 components for diverse app creation.

Visual block-based programmingMobile app developmentComputational thinking education
📚 Education
(834)
free
19
freeCodeCamp
freeCodeCamp
freeCodeCamp
The freeCodeCamp Mobile App
Free

This app provides coding challenges, tutorials, and a podcast to help users learn and improve their programming skills. It's designed for beginners and experienced coders alike, offering a comprehensive resource for expanding coding knowledge.

Coding challengesProgramming tutorialsPodcast for coders
📚 Education
(65)
free
20
BimmerLink
BimmerLink
BimmerLink
by SG Software GmbH & Co. KG
Free
$39.99 | 100% OFF

This app provides direct access to your BMW or MINI vehicle's systems. Read and clear trouble codes from all control units, monitor real-time sensor values, and control features like exhaust flaps and active sound design. It also supports battery registration, DPF regeneration, and service resets.

Read and clear trouble codes from all control unitsDisplay real-time sensor valuesRemote control of exhaust flap
📊 Productivity
(7.6K)
free with in-app purchases