This app lets you hide text or images within other images using steganography. It employs encryption and customizable secret keys for secure data storage and sharing, ensuring privacy without collecting user data.
4.4(7 ratings)
Free
Best apps like Kosh - Invisible Storage
30+ similar apps compared and reviewed
4.0 avg rating
10 free apps
Updated July 2026
Whether you want more options like Kosh or a completely different take on the same concept, our curated list of 30+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Top Alternatives to Kosh
CrypTool by Arthur Guiot
Strong Contender
π§ Utilities
3.0(3 ratings)
Free
Learn the art of hiding messages through cryptography with interactive challenges. Explore various ciphers implemented in multiple programming languages to understand message concealment, not secure communication.
Paranoia Text Encryption Lite by Frantisek Dvorak
(encrypt notes, messages, β¦)Worth Considering
π§ Utilities
4.5(82 ratings)
Free
Securely encrypt and decrypt sensitive text data, including notes, messages, and cryptocurrency keys. Offers robust security with multiple strong encryption algorithms and advanced steganography features to hide data within images. Also supports secure password exchange using post-quantum cryptography.
More apps like Kosh
4
Text Encryption Tool
Advanced Standard Encryption
Free
Securely encrypt and decrypt text messages, emails, and confidential documents. Protect your sensitive information with advanced standard encryption and custom passwords for private communication.
Encrypt chat recordsSend confidential contentEncrypt email content
π§ Utilities
(2)
freemium5
EncryptPic Secure Info & Pics
Encrypt, Store, Share Securely
Free
Securely store and share private text and pictures by encrypting them within ordinary-looking images. The hidden information is protected by optional password encryption, making it invisible to anyone who sees the public image.
Encrypt text and picturesHide data within imagesOptional password protection
π§ Utilities
(2)
free6
Phidden
Hide Messages in Your Photos
Free
Embed secret messages within your photos. Share these images, and only recipients with the app can reveal the hidden text. Avoid image compression to ensure messages remain intact.
Embed secret messages in photosReveal hidden messages with the appShare encoded photos
π§ Utilities
(0)
free with in-app purchases7
Steganography: Hidden Message
Private message, encrypt image
Free
$0.99 | 100% OFF
Hide secret messages or images within photos. The encoded content is only decipherable with the same application, ensuring private communication. It utilizes steganography techniques to alter pixels imperceptibly.
Hide messages in photosHide images in photosImperceptible pixel alteration
π§ Utilities
(18)
free with in-app purchases8
CrypTon: Public Key Encryption
For Texts & Files
Free
Securely encrypt and decrypt messages and files using public key cryptography. Share sensitive data via email, messengers, or cloud services with confidence. Supports PGP key generation, import, and export.
Public key cryptographyEncrypt/decrypt messages and filesPGP key generation
π§ Utilities
(13)
free with in-app purchases9
QR Generator & NFC Scanner app
Scan QRcode Reader & Generator
Free
Easily scan QR codes, barcodes, and images to text. Generate various code types and save your scan history. Offers premium plans for unlimited access to professional features.
QR code and barcode scanningImage to text (OCR)QR code and barcode generation
π§ Utilities
(14)
free with in-app purchases10
Tessercube
by SUJITEKU LIMITED LIABILITY CO.
Free
This app allows users to generate, import, and export OpenPGP keypairs for secure communication. It enables encryption, decryption, signing, and verification of messages, with a special keyboard for use in any application. A unified message history log keeps track of all communications.
OpenPGP key generation and managementEncrypt and decrypt messagesSign and verify messages
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(16)
free