Octo Chat vs SicherChat
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Octo Chat
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Octo is a secure privacy focused chat application fully provided with end-to-end encryption. Thanks to our easy to use approach, the app is straight forward and intuitive. You can navigate quickly and efficiently. Some key features are: - Anonymous login Create an anonymous profile or use your telephone number. - End-to-end encryption All messages are encrypted. Only those for whom the message or media file is intended will be able to read it. - Privacy settings Notify when someone took a screenshot Blur messages Media is downloadable Delete messages after x-amount of time - Create connections Create connections by sharing an unique code. You will only be connected with people you want! - Group chat Start a group conversation and choose who can contact who. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SicherChat
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Security The chat uses its own TCP protocol based on end-to-end encryption in conjunction with the Diffie-Hellman and ChaCha20-Poly1305 algorithms. The keys are generated each time the server is accessed, which makes it impossible to decrypt intercepted messages. The mode of safe viewing of links received in messages from other users eliminates the possibility of phishing and tracking. This mode allows you to completely disable the operation of software scripts, navigation, downloading of any files. A minimum set of resources, such as photographs, style remains and can be downloaded via proxy if desired, which eliminates the recording of a real IP address. At the same time, it is also possible to open the link in normal mode. Monitoring of system information, such as processor load, memory consumption and temperature will allow you to record abnormal behavior of the system and, if desired, enable blocking mode in case of suspected cyber attack. Minimalism and simplicity The chat is designed as simply and ascetically as possible. The interface will help even an inexperienced user to understand it. All unnecessary functions are excluded and the emphasis is placed exclusively on the main concept of the application - communication and security. Selective caching allows you to speed up loading, but without filling the local memory of the device excessively. Monitoring network connections will allow you to adapt for loading even in case of weak network signals. Low power consumption A simplified model allows you to reduce energy consumption resources when using the application. Also, computing processes are minimized, which prevents heating of the device. Background processes handle only network data exchange and do not include graphic tasks that are not used in this project. Animation and resource-intensive visual effects are also minimized.
Screenshots
Verdict
The clearest difference is in-app purchases: SicherChat at none against Octo Chat's 1. SicherChat also leads on update cadence (monthly vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Octo Chat sells 1 in-app purchase, starting at $20.49 per month. SicherChat asks for nothing beyond the download.
Octo Chat ships an update every 7 months, SicherChat monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Octo Chat | SicherChat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Monthly โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 โ better | 16.6 |
| Further details โ not scored | ||
| Size | 58 MB | 39 MB |
| Age rating | 17+ | 12+ |
| Developer | Octo Communications | OgnisEst OU |
In-app purchases
Octo Chat
- Premium access14 Days trial$20.491 Month
SicherChat
No in-app purchases









