Underlayer vs umcode

UNDERLAYER - STEGANOGRAPHY MADE SIMPLE Transform ordinary images into secret carriers. Hide confidential messages invisibly within photos and share them through any messenger without raising suspicion. KEY FEATURES: HIDE SECRETS • Embed text messages invisibly into any image • Two encoding modes: Hidden (invisible pixels) and Open (colored frame) • Open mode survives messenger compression (Telegram, WhatsApp, etc.) • Share processed images directly or save to gallery REVEAL MESSAGES • Extract hidden text from steganographic images • Automatic detection of encoding method • Works with images received through messengers • Share intent support - open images directly from gallery WHY UNDERLAYER? • Simple & Intuitive - No cryptography knowledge required • Messenger-Friendly - Open mode designed for compressed sharing • Privacy First - All processing happens locally on your device • Universal - Works with JPG, PNG, WebP formats • No Account Required - Start using immediately USE CASES • Private communication through public channels • Watermarking images with hidden ownership data • Secure note-taking in plain sight • Educational tool for learning steganography • Fun way to send secret messages to friends SECURITY & PRIVACY • No internet connection required for processing • Your messages never leave your device • No data collection or tracking • Complete control over your secrets PREMIUM FEATURES • No banner ads at the bottom • No interstitial ad interruptions • Process unlimited images without ad breaks HOW IT WORKS 1. Select any image from your gallery 2. Enter your secret message 3. Choose encoding mode (Hidden or Open) 4. App embeds message into image pixels 5. Share through messengers or save locally 6. Recipient opens image in Underlayer to reveal message ENCODING MODES EXPLAINED HIDDEN MODE • Message embedded invisibly in image pixels • Completely undetectable to human eye • Best for uncompressed image sharing • Lost when image is compressed by messengers OPEN MODE • Message encoded as colored frame border • Visible as decorative edge around image • Survives Telegram, WhatsApp compression • Recommended for messenger sharing INTERNATIONAL • Available in English and Russian • More languages coming soon • Automatic language detection Whether you're a privacy enthusiast, security professional, or just curious about steganography - Underlayer makes it accessible to everyone. Download now and start hiding your secrets in plain sight! Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

umcode turns coding into something kids can see, touch, and control. Drag colorful blocks to program real robots — no typing required. Snap your code together, hit run, and watch your robot move, sense, and respond in real time. WHAT YOU CAN BUILD • Program UCMAKE uKit & uBot robotics kits with easy drag-and-drop blocks • Control motors, RGB lights, LED matrix, ultrasonic sensors and more • Connect instantly over Bluetooth to your ESP32-powered robot POWERED BY AI • AI Vision — detect and react to the world through the camera • Pose recognition — control robots with body movements • Gesture & hand recognition — trigger actions with a wave or a sign • Train your own custom pose and gesture classifiers TWO WAYS TO CODE • Live Mode — run blocks instantly and see results as you build • Compile Mode — flash full programs so your robot runs on its own MADE FOR LEARNING • Step-by-step build tutorials and example projects • Friendly visual interface designed for young makers • Real-time variable monitoring to see how code works • Multilingual support Whether in the classroom or at home, umcode makes STEM, robotics, and AI hands-on, creative, and fun. Snap together some blocks and bring your robot to life!