Zenvi vs One Sec

Both Zenvi and One Sec sit between your thumb and a distracting app. One Sec asks you to pause and breathe; Zenvi asks you to complete a quick challenge and earn the unlock. Here's an honest look at how they differ and which one fits how much friction you actually need.

Download on theApp StoreTry the app blocker that makes you earn it.

Side by side

FeatureOne SecZenvi
Blocks distracting apps on iPhone
Adds friction before the app opens
Friction typeA timed pause + breathA challenge you complete
Earn unlock time back
Stays effective when the friction goes staleSame pause each time20+ rotating challenges
Movement / exercise unlocks (reps, QR, walk)
Rewards economy (earn and spend Zens)
Hard lock you can't talk pastStrict Mode (Pro)
Free tier

What One Sec does well

One Sec is built around a single, well-designed idea: before a chosen app opens, it makes you wait a few seconds and take a breath, then asks whether you still want to continue. That tiny pause is often enough to break an autopilot tap, and the setup is minimal. If you want the lightest possible intervention with almost no friction to learn, it is an excellent starting point.

Where Zenvi is different

Zenvi keeps the "moment before the app" idea but changes what happens in it. Instead of the same pause every time, you get a quick challenge — a math sprint, a memory pattern, four guided breaths, an AI quiz, fitness reps counted live by the camera, or a QR code you scan somewhere in your home. Clearing it earns unlock time and Zens you can spend later.

The practical reason this matters: a fixed pause tends to become invisible once your brain learns it. A challenge that changes, and that asks for a small real action, stays a genuine decision point. For people who found themselves breathing through One Sec and opening the app anyway, that is the gap Zenvi fills.

When to choose which

  • Want the gentlest nudge and the least setup? — One Sec
  • Found the pause easy to power through? — Zenvi
  • Want to earn access through a challenge, not just confirm it? — Zenvi
  • Want movement or a real-world action (reps, QR, walk) as the unlock? — Zenvi
  • Want a hard lock you can't bargain past? — Zenvi's Strict Mode (Pro)

Frequently asked questions

Yes. Both put a moment of friction between you and a distracting app on iPhone. The difference is what that moment is: One Sec is a short pause and breath; Zenvi is a quick challenge — math, memory, breathing, an AI quiz, fitness reps, or a QR scan — that you complete to earn unlock time.
No. One Sec is designed around a deliberate pause before you open an app, not an earn-it-back loop. Zenvi is built around earning: complete a challenge to unlock time, bank Zens for clearing harder ones, and spend them on access.
The most common reason is that the One Sec pause stopped working — once the same breath happens every time, it becomes automatic and easy to power through. Zenvi varies the friction (a different challenge, an actual action) so it keeps requiring a real decision.
Yes — if you want the lightest possible nudge and the least setup, One Sec's single pause is elegant and effective as a starter habit. Zenvi is the better fit when you want stronger, varied friction and to actively earn your access.
You can, but it's usually redundant — both intercept the same app opens, so stacking them tends to feel like double friction. Most people pick the one that matches how much resistance they actually need.
Download on theApp StoreEarn your screen time instead of just pausing.

Comparison reflects each app's public positioning as of June 2026. Check One Sec's site for its current features and pricing.