| May 2021 |
SimpleX Chat prototype announced |
| January 2022 |
SimpleX Chat v1 |
| March 2022 |
Mobile apps for iOS and Android |
| November 2022 |
Implementation security assessment by Trail of Bits |
| March 2023 |
XFTP – SimpleX File Transfer Protocol |
| April 2023 |
Pre-seed funding from Village Global and angel investors announced (closed in July 2022) |
| September 2023 |
Desktop app and group directory service |
| March 2024 |
Post-quantum end-to-end encryption |
| April 2024 |
Post-quantum encryption on by default in direct conversations |
| June 2024 |
Private message routing protects IP addresses |
| August 2024 |
Investment from Jack Dorsey and Asymmetric Capital Partners announced (closed in July 2023) |
| October 2024 |
Cryptographic design review by Trail of Bits |
| December 2024 |
Preset servers operated by Flux; business chats |
| January 2025 |
Large groups and privacy-preserving content moderation |
| April 2026 |
SimpleX Channels and SimpleX Network Consortium |
| July 2026 |
SimpleX public names in test |
| August 2026 |
Equity crowdfunding launched on Wefunder |
| September 2026 |
Supporter badges |
| 12 December 2026 |
.simplex names sale starts (simplex.domains) |
| June 2027 |
Planned: Community Credits for sustainable communities and servers (roadmap) |
| December 2027 |
Planned: tools to promote communities (roadmap) |