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one sec vs Preply

one sec and Preply are both Productivity tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.

Side-by-side comparison

Attributeone secPreply
Vendorone secPreply
Rating★ 4.7★ 4.6
PricingPaidPay-as-you-go
PlatformsiOS, AndroidWeb, iOS, Android
Key featuresIntervention delay, Breath / question, iOS and AndroidMany subjects, Human tutors, Usage-based
HeadquartersGermanyBarcelona, Spain
Founded20202012
Open sourceNoNo

Key differences

  • one sec has a higher user rating (4.7★ vs 4.6★).
  • one sec is Paid, while Preply is Pay-as-you-go.
  • one sec runs on iOS, Android; Preply runs on Web, iOS, Android.

Frequently asked questions

Is one sec or Preply better?

By user rating, one sec scores higher (4.7★ vs 4.6★). Both are capable Productivity tools, so review the feature comparison for your use case.

Which is cheaper, one sec or Preply?

one sec is Paid and Preply is Pay-as-you-go. Check each product page for current plan details.

Are one sec and Preply open source?

No — neither one sec nor Preply is open source.

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