Based on our record, Raivo OTP seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
And about a free and open-source 2FA app, I think it's Raivo. I haven’t used it personally but I hear a lot about it. It's available on iOS and macOS, so you can check it out if it works for you. Source: 12 months ago
It’s not Aegis but it’s open source and well regarded in privacy subreddits. https://github.com/raivo-otp/. Source: over 1 year ago
I use personally use Ravio OTP which can send to the desktop using mac receiver once tapped in the mobile app, you also have better control over backups/exports. Source: almost 2 years ago
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