Underlayer vs SecretPixel

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/

Your secrets, hidden in plain sight. Do you want to share a password, a private code, or a confidential message, but you don't trust chat apps or screenshots? SecretPixel uses advanced steganography to inject your text directly into the pixels of ordinary images. To the naked eye, the photo looks identical to the original. But for those who have this app (and the correct key), the image reveals its hidden content. WHY USE IT: Total Privacy: Data is encrypted inside the image pixels. Invisible: No one will know the photo contains a message. It looks like a normal selfie or landscape. Double Protection: Upgrade to Premium to secure data with your own custom Password. Offline & Secure: Everything happens on your device. No data is ever sent to external servers. HOW IT WORKS: HIDE: Load a photo, type your secret message, and save the new encrypted image. SHARE: Send the photo via WhatsApp, Telegram, Email, or keep it in your gallery. REVEAL: The recipient reloads the image into the app to read the hidden message. Perfect for: Sharing passwords or PINs securely. Private notes and secret diaries. Privacy and cryptography enthusiasts. Download now and start communicating under the radar.