Best Solo 2 Alternatives in 2026
Updated
9 apps from security keys ranked against Solo 2 on the same published basis.
- 1Solo 2 vs YubiKey 5 Series
- 2Solo 2 vs Token2 T2F2-NFC-Slim
- 3Solo 2 vs Token2 PIN+ Release3.3
- 4Solo 2 vs Nitrokey 3
- 5Solo 2 vs FEITIAN ePass FIDO-NFC Security Key
- 7Solo 2 vs Swissbit iShield Key 2
- 8Solo 2 vs Deepnet SafeKey
- 9Solo 2 vs Titan Security Key
- 10Solo 2 vs TrustKey T110
Solo 2 alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | YubiKey 5 Series | 9.0 | No | — | Android, iOS, Linux, Mac, Web, Windows |
| 2 | Token2 T2F2-NFC-Slim | 8.7 | No | — | Android, iOS, Linux, Mac, Web, Windows |
| 3 | Token2 PIN+ Release3.3 | 8.4 | No | — | Android, iOS, Linux, Mac, Windows |
| 4 | Nitrokey 3 | 8.2 | No | — | Android, iOS, Linux, Mac, Windows |
| 5 | FEITIAN ePass FIDO-NFC Security Key | 7.7 | No | — | Android, iOS, Linux, Mac, Web, Windows |
| 7 | Swissbit iShield Key 2 | 7.3 | No | — | Windows, Mac, Linux, iOS, Android |
| 8 | Deepnet SafeKey | 7.1 | No | — | Web, Windows, Mac, iOS, Android |
| 9 | Titan Security Key | 6.6 | No | — | Windows, iOS, Android |
| 10 | TrustKey T110 | 5.1 | No | — | Windows, Web |
Make your app an alternative to Solo 2
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Solo 2 alternatives
What is the best alternative to Solo 2?
YubiKey 5 Series, number 1 in security keys with a score of 9.0 out of 10. The others here: Token2 T2F2-NFC-Slim, Token2 PIN+ Release3.3, Nitrokey 3 and 5 more.
Is there a free alternative to Solo 2?
None of the 9 alternatives here publishes a free plan on its own pricing page.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.