As the Play Store does not provide specific numbers to everyone, we merely know Allo has between 1,000,000-5,000,000 installs on the Android side.
The smart messaging platform, which started rolling out around the world on September 21, had a lot of hype behind it prior the public release. People were expecting a Google-made iMessage competitor on their devices; however, Allo has largely disappointed. Most people are saying Allo feels like a cheap knockoff of its competitors. There are even people saying Hangouts, the company’s go-to messaging platform for years, is far better than Allo as it handles both instant messages and SMS.
— Justin Uberti (@juberti) September 23, 2016
Once Google adds SMS support, Allo will surely be a serious player in messaging.