Google Allo
Google launched a messaging app around smart replies and an assistant, then stopped investing after it failed to displace established chat networks.
Quick facts
- Existence state
- Officially Gone
- Peak stage
- general availability
- Research confidence
- high
- Last verified
What it was
A mobile messaging service built around phone numbers, Google Assistant and machine-generated replies.
A mobile messaging service built around phone numbers, Google Assistant and machine-generated replies. Allo combined conventional one-to-one and group messaging with early conversational-AI features, but it arrived without SMS continuity or the network effects of rival apps.
Existence timeline
Android and iOS users gain access to the new messenger.
Users can invoke Google Assistant inside conversations.
Google redirects messaging resources toward RCS-based Messages.
Google announces that Allo will end the following March.
Allo's servers cease ordinary public operation.
Why it ended
Google paused development in 2018 while shifting carrier messaging work toward RCS, then shut Allo on 12 March 2019.
Last confirmed trace
Exported conversations, support pages, app packages and screenshots remain; its servers no longer deliver messages.
What it left behind
Allo's assistant experiments survived conceptually inside later Google products, while the app became another example of a messaging platform unable to earn trust in its longevity.
How we classified it
The archive unit reached normal public release or operation and is no longer obtainable in its original public form.
Verified normal public availability maps to 100 under Arrival Score V1.
Sources & verification
Last reviewed 2026-08-01. Sources are linked so readers can inspect the evidence directly.