# Kosh - Invisible Storage

> Hide messages securely within images using encryption. (iPhone/iPad app by Oleksandr Kravchenko.)

- Source: https://appshunter.io/ios/app/kosh-invisible-storage/id1529707748 (this page in markdown: same URL + `.md`)
- Developer: [Oleksandr Kravchenko](https://appshunter.io/developer/1529707750)
- Category: Utilities, Productivity
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.3 · 14 MB
- Languages: English
- Released: 2020-09-06
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/kosh-invisible-storage/id1529707748/reviews.md

## What is Kosh?

YOUR INVISIBLE STORAGE
Kosh takes your message and hides it into an image. The image is absolutely identical to the original one which means you can safely store it wherever.

ULTRA LEVEL OF SECURITY
After encrypting your data into an image your can store it anywhere - in a cloud storage, in your computer or simply leave in the Photos app. Only you will know the image has something inside.

ANY MESSENGER IS SECURE
Have you ever wondered if your favourite messenger is secure enough? If your private conversation can be read by a third party? By using Kosh you can be sure your secrets are kept in safe.

INDUSTRY STANDARD ENCRYPTION
Before hiding your data into an image Kosh encrypts it using modern encryption algorithms. You can safely post your images anywhere - it’s impossible to extract the data without the password you specified!

PRIVACY IS A PRIORITY
Kosh doesn’t store your data in the app, neither it sends it to any remote server. Your data belongs to you and your password is required to decrypt it back.

## Key features

- Hide messages in images
- Identical image output
- Ultra-level security
- Industry-standard encryption
- Password-protected decryption
- No data storage or transmission


## Frequently asked questions about Kosh

### How does Kosh hide messages?

Kosh embeds your text messages into an image file using encryption. The resulting image is visually indistinguishable from the original, making it appear as if nothing is hidden.

### Is my data safe with Kosh?

Yes, Kosh uses industry-standard encryption algorithms to secure your data before hiding it. It also prioritizes privacy by not storing your data within the app or sending it to any servers.

### Can anyone read my hidden messages?

No, only you can decrypt the hidden messages using the password you set. Without the correct password, it is impossible to extract the data from the image.

### Does Kosh have ads?

The provided data does not specify if Kosh contains advertisements. However, it is listed as free and does not mention in-app purchases.

### What devices does Kosh support?

Kosh is available for iPhone, iPad, and iPod devices, as indicated by its supported devices list.

### What is the age rating for Kosh?

Kosh has an age rating of 4+, making it suitable for a wide range of users.

### How often is Kosh updated?

Kosh was last updated on September 14, 2020, with version 1.1. The initial release date was September 6, 2020.

### Where can I store images with hidden messages?

You can safely store these images anywhere, including cloud storage, your computer, or the Photos app. The image will appear normal, and only you will know it contains hidden data.

## Version history (last 1 release)

### 1.1 — 2020-09-14

Performance improvements

## Apps similar to Kosh

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [CrypTool](https://appshunter.io/ios/app/cryptool/id1392983460) | 3.0 (3) | Free | Utilities |
| [Secret.ly](https://appshunter.io/ios/app/secretly/id1606237250) | 4.4 (7) | Free | Utilities |
| [Phidden](https://appshunter.io/ios/app/phidden/id682818494) | — | Free | Utilities |
| [EncryptPic Secure Info & Pics](https://appshunter.io/ios/app/encryptpic-secure-info-and-pics/id1524189255) | 5.0 (2) | Free | Utilities |
| [Text Encryption Tool](https://appshunter.io/ios/app/text-encryption-tool/id1624197966) | 3.5 (2) | Free | Utilities |
| [Paranoia Text Encryption Lite](https://appshunter.io/ios/app/paranoia-text-encryption-lite/id1092955070) | 4.5 (82) | Free | Utilities |

## More apps by Oleksandr Kravchenko

- [Minerva - Smart Eye Exercises](https://appshunter.io/ios/app/minerva-smart-eye-exercises/id6443746123)

All apps by Oleksandr Kravchenko: https://appshunter.io/developer/1529707750

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*