# Google Authenticator

9 Hacker News commenters recommended Google Authenticator and 9 criticized it, November 2025 to November 2026. It was recommended in 7 of 13 months.

**Verdict:** People recommend it as a free, simple app for TOTP codes that can be moved between devices. Critics point to weak backup and export, and cloud backup to Google Drive.

## Why people recommend it

- Codes shareable across own devices (2 comments): "TOTP using Google Authenticator can also be easily shared, not just with my partner, but also among my own devices." ([source](https://news.ycombinator.com/item?id=46341485)) "there's an app called Google Authenticator that you could have setup on alternate android devices" ([source](https://news.ycombinator.com/item?id=49744787))
- Easy account transfer via QR code (2 comments): "lets you move accounts easily using a QR code + phone camera" ([source](https://news.ycombinator.com/item?id=46424259)) "Obviously not, but you can absolutely export the codes." ([source](https://news.ycombinator.com/item?id=48224145))

## What people warn about

- No backup or restore option (2 comments): "no backup and restore, as if I'm going to spend a day setting up dozens of TOTP codes again and again" ([source](https://news.ycombinator.com/item?id=46941935)) "But no way to backup to cold storage last time I checked." ([source](https://news.ycombinator.com/item?id=46426369))
- Cloud backup to Google raises concerns (2 comments): "Google's backs up to your Google account, but... yeah that is a major issue" ([source](https://news.ycombinator.com/item?id=47686803)) "Google Authenticator adding cloud backup functionality is such a bad idea" ([source](https://news.ycombinator.com/item?id=46687884))
- Hard to export or move codes (2 comments): "look up what hoops you need to jump through to export a single TOTP code in Google Authenticator" ([source](https://news.ycombinator.com/item?id=49759608)) "actual implementations like Google Authenticator disallowed copying keys to another device" ([source](https://news.ycombinator.com/item?id=50098975))
- Usability traps and code-loss risk (2 comments): "their later updates had other usability traps" ([source](https://news.ycombinator.com/item?id=46745508)) "had insane footguns for losing your codes" ([source](https://news.ycombinator.com/item?id=49629573))

## Alternatives hackers recommend

- [Aegis Authenticator](https://hackerapproved.com/p/aegis.md): 28 recommend
- [Ente Auth](https://hackerapproved.com/p/ente-auth.md): 22 recommend
- [Microsoft Authenticator](https://hackerapproved.com/p/microsoft-authenticator.md): 13 recommend
- [Authy](https://hackerapproved.com/p/authy.md): 6 recommend

## Cite as

Hacker Approved, "Google Authenticator", https://hackerapproved.com/p/google-authenticator/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).