# Blitz – Secure Chat > End-to-end encrypted, privacy-focused messaging with anonymous authentication. (iPhone/iPad app by Blitz Sec.) - Source: https://appshunter.io/ios/app/blitz-secure-chat/id1149253290 (this page in markdown: same URL + `.md`) - Developer: [Blitz Sec](https://appshunter.io/developer/1149253289) - Category: Social Networking, Business - Price: Free - Rating: 4.60/5 from 8 App Store ratings · 9 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 22 MB - Languages: American English, French (France), German (Germany), Russian, European Spanish - Released: 2016-11-03 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/blitz-secure-chat/id1149253290/reviews.md ## What is Blitz? Blitz is a new free messaging service. Its significant advantages are security and privacy — all messages are end-to-end encrypted, the server does not store any activity, messages, cell IDs or any other personal data. Users' authentication is anonymous - it has no connection to your phone contact list (names, phone numbers or email addresses). There is also a number of additional security measures like pin-code app lock, messages auto-expiration, deletion of a message on both phones and more. Commercial corporate version of the app's is also available - server software can be deployed on premise. ## Key features - End-to-end encryption - Anonymous authentication - Message auto-expiration - Delete messages from both devices - PIN-code app lock - Server software for on-premise deployment ## Recent user reviews (9 of 9) All indexed reviews: https://appshunter.io/ios/app/blitz-secure-chat/id1149253290/reviews.md ### 5/5 — Не создать группу *2024-01-30, version 2.5.4* Отличное приложение. Однако при создании группы вылетает. Исправьте пожалуйста. ### 4/5 — Está bien, pero… *2023-09-21, version 2.5.4* Está bien, no recopila datos, tiene buen protocolo de seguridad, as anónima etc. Pero el diseño de app parece de los años 90 y falta modo oscuro. Por el resto de momento todo correcto. ### 5/5 — Privacidad *2022-03-23, version 2.4.0* Se trata de una aplicación que te permite el borrado en el grado que quieras o necesites. No permite audio ni llamadas pero respeta la privacidad en cuanto a que piensa que posiblemente te estén espiando a través del micrófono de tu teléfono. NO AVISA DE LAS CAPTURAS DE TELÉFONO. Sería importante que avisara de est acción. ### 4/5 — Audios *2022-03-20, version 2.4.0* La aplicación está muy bien en cuanto al sistema de seguridad. No permite enviar audios y es una aplicación de mensajería, es decir, que no permite hacer ni recibir llamadas. ### 5/5 — Night theme and multiplatform access *2021-12-21, version 2.4.0* Please pay attention to the revision with the possibility of switching the theme and the introduction of a multiplatform. ### 4/5 — Klasse *2020-08-04, version 2.1* Was fehlt Badges ### 5/5 — Sehr guter Messanger *2019-09-10, version 1.80* Sehr gut Man kann einen Code erstellen Und autolöschen Und es scannt keine Kontakte Perfekt ### 4/5 — Ipad *2018-11-09, version 1.76* Please make ipad support and multi-device support ### 1/5 — Benachrichtigungen *2016-11-05, version 1.29.4* Keine Benachrichtigungen wenn die app geschlossen ist. ## Frequently asked questions about Blitz ### What makes Blitz secure? Blitz utilizes end-to-end encryption for all messages, ensuring only the sender and recipient can read them. The server does not store any activity, messages, or personal data, and authentication is anonymous, not linked to your contact list. ### Does Blitz have ads? No, Blitz is ad-free. The application is completely free to use and does not contain any advertisements. ### What devices does Blitz support? Blitz is available for iPhone and iPod devices. It is designed to provide a secure messaging experience across these Apple platforms. ### How does message deletion work in Blitz? Blitz allows you to delete a message on both your phone and the recipient's phone. This feature helps maintain privacy and control over your conversations. ### What is the age rating for Blitz? Blitz has an age rating of 4+. This indicates it is suitable for a wide audience, with a focus on general user accessibility. ### How often is Blitz updated? The latest version of Blitz, 2.5.4, was last updated on April 11, 2023. This suggests a consistent update schedule from the developer, Blitz Sec. ### Can I use Blitz for business communication? Yes, Blitz offers a commercial corporate version with server software that can be deployed on-premise. This makes it suitable for businesses requiring enhanced security and data control. ### What are the privacy features of Blitz? Key privacy features include end-to-end encryption, anonymous authentication, message auto-expiration, and the ability to delete messages from both devices. The server also avoids storing any user activity or personal data. ## Version history (last 5 releases) ### 2.5.4 — 2023-04-11 - View pictures and documents in landscape mode - You can reply to documents and images now, not only to text messages - Unlimited message size - Numerous bug fixes ### 2.5.3 — 2023-02-27 - View pictures and documents in landscape mode - You can reply to documents and images now, not only to text messages - Unlimited message size - Numerous bug fixes ### 2.5.2 — 2022-09-21 Numerous bug fixes and improvements in group chats. ### 2.5.1 — 2022-07-05 - Mute notifications in group chats - Other bug fixes and improvements ### 2.5.0 — 2022-03-24 - Group chats - Numerous bug fixes and improvements ## Apps similar to Blitz | App | Rating | Price | Category | | --- | --- | --- | --- | | [SafeSwiss® Encrypted Messenger](https://appshunter.io/ios/app/safeswiss-encrypted-messenger/id1176312389) | 3.6 (12) | Free | Social Networking | | [Tok - Encrypted Messaging](https://appshunter.io/ios/app/tok-encrypted-messaging/id1455803201) | 4.1 (149) | Free | Social Networking | | [StealthTalk Private Messenger](https://appshunter.io/ios/app/stealthtalk-private-messenger/id1475892684) | 3.8 (10) | Free | Social Networking | | [Skred Messenger](https://appshunter.io/ios/app/skred-messenger/id1201278426) | 3.5 (25) | Free | Social Networking | | [Crait - Secure Communication](https://appshunter.io/ios/app/crait-secure-communication/id1227620003) | 4.7 (94) | Free | Social Networking | | [xPal Ultra Secure Messenger](https://appshunter.io/ios/app/xpal-ultra-secure-messenger/id1536908440) | 4.7 (122) | Free | Social Networking | --- *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 2026-06-10.*