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Android Apps > Libraries & Demo > Lib of Dev
Lib of Dev icon

Lib of Dev

3.2.0
LenFi
4.57
13 reviews
500+
Downloads
Free

Coder library and more

Lib of Dev Screenshot 1 of 5
Lib of Dev Screenshot 2 of 5
Lib of Dev Screenshot 3 of 5
Lib of Dev Screenshot 4 of 5
Lib of Dev Screenshot 5 of 5
Screenshots by LenFi, from the Google Play listing
View on Google Play

About Lib of Dev

Lib of Dev is a libraries & demo app developed by LenFi.

How many times has Lib of Dev been installed?

Lib of Dev has been installed 860 times. In the last 30 days, the app was installed 120 times.

What is the rating of Lib of Dev?

Lib of Dev is rated 4.57 out of 5 stars, based on 13 ratings.

Is Lib of Dev free?

Lib of Dev is free. The app size is 39.53 MB. The latest version available is 3.2.0. The last update was on October 28, 2026.

What are the requirements for Lib of Dev?

The app has a content rating of Everyone. The app has been available on Google Play since January 2026.

Lib of Dev is made and published by LenFi. AppBrain is an independent app data site and isn't affiliated with LenFi. The app name, icon, screenshots and description belong to LenFi and are shown as published on Google Play.

Description by LenFi (from Google Play)
A massive mobile app serving as an offline-first developer learning platform with shadcn/ui-inspired design. Features 13 programming languages, AI/ML guides, IoT/Hardware tutorials, E-Commerce, Linux administration, 80+ developer hints, and 70+ official resource links. Lib of Dev is still evolving — and with your help, we'll reach its full potential together!

๐ŸŒŸ What Makes This Special
๐Ÿค–Build in AI Chat with Groq*
๐Ÿ“š 30,000+ Lines of Content - Meticulously curated for developers
๐Ÿค– AI & Machine Learning - Ollama, OpenAI, LangChain guides
๐Ÿ”Œ IoT & Hardware - ESP32, Raspberry Pi, Arduino with real code
๐Ÿ›’ E-Commerce - Shopify, Stripe integration examples
๐Ÿง Linux & DevOps - System administration, Proxmox virtualization
๐Ÿ’ก 80+ Developer Hints - Instant answers to "What should I use?"
๐Ÿ”— 70+ Official Links - Direct access to documentation and resources
100% Offline - All content bundled, no internet required**
๐Ÿ“Š Content Overview
๐Ÿ’ป Programming Languages (13)
Each with 100+ code examples, explanations, and best practices:

Web/Frontend: JavaScript, TypeScript, PHP
Mobile: Swift, Kotlin
Systems: C, Rust, Go
General Purpose: Python, Java, C#, Ruby
Database: SQL
๐Ÿค– AI & Machine Learning
Ollama - Run LLMs locally (LLaMA 2, Mistral, Code Llama)
AI APIs - OpenAI GPT-4, Anthropic Claude, Google Gemini
ML Training - PyTorch, TensorFlow with Python
Vector Databases - Pinecone, Weaviate, Qdrant for embeddings
AI Agents - LangChain, LlamaIndex frameworks
๐Ÿ”Œ IoT & Hardware
Complete guides with 50+ working code examples:

ESP32/ESP8266 - WiFi setup, web servers, MQTT, sensors
Raspberry Pi - GPIO control, Pi Camera, web servers
Arduino - LED control, analog sensors, serial communication
Sensors - DHT22 temperature, HC-SR04 ultrasonic, and more
๐Ÿ  Home Assistant
Configuration and automation examples
ESPHome integration for ESP devices
MQTT sensor integration
YAML configuration templates
๐Ÿ›’ E-Commerce & Shopify
Shopify Liquid templates
Shopify Node.js app development
Shopify Storefront API (GraphQL)
Stripe payment processing
Headless commerce patterns
๐Ÿง Linux & System Administration
Essential terminal commands
User & permission management
Nginx reverse proxy configuration
systemd service creation
Network troubleshooting
๐Ÿ–ฅ๏ธ Proxmox Virtualization
VM creation via CLI
LXC container management
Backup and restore procedures
๐ŸŽจ UI Frameworks (Featured)
shadcn/ui โญ - Complete guide with 8 components
Tailwind CSS - Utility-first framework
Radix UI - Accessible primitives
๐Ÿš€ Deployment Platforms (6)
Expo - Mobile development
Vercel - Web hosting & serverless
Cloudflare - CDN & edge computing
Netlify - JAMstack platform
Docker - Containerization
Firebase - Backend as a Service
๐Ÿ’ก Developer Hints (80+ Scenarios)

This App is no longer an Open-Source project, reason are the user safety.

*Groq
You need to create a API Key, its for free
**Internet
For special features you need a working network connection. Else the App cannot deliver Features like Groq

Recent changes:
We added Daily Streaks, Widgets, Daily Quests, more Topics.

We fixed:
Performance of Lessons
Performance of Search-Bar Feature
Ad-Limiter performance
Groq performance
UI Issues
Show more Show less

More data about Lib of Dev

Price Free
Total installs 860
Recent installs 120
Rating 4.57 based on 13 ratings
Ranking Not ranked
Version 3.2.0
App size 39.5 MB
Number of libraries ?
Suitable for Everyone
Ads Contains ads

App Performance Report

Get a detailed PDF report for Lib of Dev with download trends, rating history, and key performance statistics โ€” useful for competitive research or tracking your own app. Learn more

Get PDF Report โ€” $29

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Google Play Rating history and histogram

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Installs over time

Lib of Dev has been installed 860 times. Over the past 30 days, it has been installed 120 times.

Changelog of Lib of Dev

Show changelog

Developer information for LenFi

LenFi

support.lenfi@lenfi.uk

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Comments on Lib of Dev for Android

โ˜…โ˜…โ˜…โ˜…โ˜… vedant gadekar ยท Jan 6, 2026
Good productive application for beginner Level developer
โ˜…โ˜…โ˜…โ˜…โ˜… Abie Marand ยท Jan 8, 2026
I just started reviewing the app. Very nice presentation and organization. I'm pretty impressed thus far.

Google Play Rankings for Lib of Dev

This app is not ranked

Technologies used by Lib of Dev

31 permissions
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