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OnlyKey

OnlyKey is an open source alternative to YubiKey

★★★★★ 5.0/5
FactScore™ 15.1
VS

SyFly

All-in-one solution to manage passwords, files, and notes.

FactScore™ 0

Updated February 2026

OnlyKey SyFly
Rating 5.0★ N/A
Reviews 1 0
Pros 0 7
FactScore™ 15.1 0

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

👑
15.1
OnlyKey FactScore™
★ OnlyKey wins on FactScore™
—
SyFly FactScore™

Pros & Cons

Only in OnlyKey — Pros

No unique pros listed

Both tools — Pros

—

Only in SyFly — Pros

User-friendly interface Robust security features Password management Secure data storage Encrypted containers Free tier Zero-knowledge storage

Only in OnlyKey — Cons

—

Both tools — Cons

—

Only in SyFly — Cons

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Details

OnlyKey SyFly
Categories Password managers Password managers, File storage and sharing apps, Safety and Privacy platforms
Platforms Web Web · iOS · Android
Became Popular December 25, 2019 November 22, 2023
Website onlykey.io syfly.io

Who Should Pick Which?

Choose OnlyKey if...

  • No unique pros listed

Choose SyFly if...

  • User-friendly interface
  • Robust security features
  • Password management

With a FactScore™ of 15.1 vs 0, OnlyKey leads in community reception. OnlyKey uniquely offers No unique pros listed, while SyFly stands out for User-friendly interface and Robust security features.

3

What Users Say

OnlyKey

P
Piet Dec 3, 2022
★★★★★

Using my OnlyKey-Duo for half a year now , I am enthousiastic about it. Functioning reliable on my USB A/C devices. Easy configuration and backup , but lacks support if you have issues. (just forum...

SyFly

No reviews yet

Frequently Asked Questions

Which is better, OnlyKey or SyFly?

Based on FactScore™, OnlyKey leads with a score of 15.1 vs 0. OnlyKey has a higher rating of 5.0★ compared to N/A★.

What are the pros of OnlyKey compared to SyFly?

OnlyKey uniquely offers: No unique pros listed.

What are the pros of SyFly compared to OnlyKey?

SyFly uniquely offers: User-friendly interface, Robust security features, Password management, Secure data storage, Encrypted containers.

Is OnlyKey better rated than SyFly?

OnlyKey is rated 5.0★ from 1 reviews. SyFly is rated N/A★ from 0 reviews.

What is the FactScore™ of OnlyKey and SyFly?

FactScore™ weighs rating and review volume together. OnlyKey scores 15.1 and SyFly scores 0.

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