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one sec | app blocker, focus

Screen Time, ADHD, Limit Social Media, Restrictions, Mental Health, Distractions

Free

Get
4.797 reviews1,000,000+ installsRated for 3+riedel.wtf
40,678 RATINGS
4.7
★★★★★
AGES
Rated for 3+
 
CATEGORY
Productivity
DEVELOPER
riedel.wtf
INSTALLS
1M+
Downloads
UPDATED
Mar 8, 2026
Last updated
one sec | app blocker, focus screenshot 1
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one sec | app blocker, focus screenshot 7
one sec forces you to take a deep breath whenever you open distracting apps. It’s as simple as effective: You will reduce your social media usage just by becoming aware of it. one sec is the focus app that tackles the problem of unconscious social media use at its root. It is designed to change your habits on a long-term basis. one sec works so great because it is fully automated – and forces you to reflect on your actions – while they happen. 🤳 Balanced social media use App usage drops by 57% on average thanks to one sec – proven by science! 🧑‍💻 Productivity Having two more weeks per year not spent on social media – to work on your projects & to recharge! 🙏 Mental health High social media usage is often related to depression and anxiety symptoms. ⚡️ ADHD relief Users praise one sec as the “holy grail for ADHD relief”. 🏃 Sports Studies have shown that reduced social media use leads to increased sport activity. 🚭 Quit smoking Studies have shown that reduced social media use leads to reduced smoking behavior. 💰 Save money Prevent impulse purchases with one sec. 🛌 Sleep better Prevent scrolling mindlessly before you go to bed and right after waking up. With one sec, you‘ll notice both a short-term and long-term effect on your social media usage: 1. Unconscious phone habits are prevented right away (“Why did I even want to open that app?”) and 2. Long-term habits change because these apps appear less appealing to your brain (their “dopamine on demand” effect fades away). one sec is also available for your desktop web browser: https://tutorials.one-sec.app/browser-extension-installation We have made one sec free to use with one app! If you would like to use one sec with multiple apps, please upgrade to one sec pro. You’ll also get access to lots of additional features and customization options. This effect has been confirmed in a study with the University of Heidelberg and Max Planck Institute where we detected a reduction of social media usage by 57% thanks to one sec. Read our peer-reviewed paper: https://www.pnas.org/doi/10.1073/pnas.2213114120 Accessibility Service API This app uses the Accessibility Service API to detect and intervene user-selected target apps. We do not collect personal information, all data remains offline and on-device. Privacy policy: https://one-sec.app/privacy/ Imprint: https://one-sec.app/imprint/

Ratings & Reviews

4.7

out of 5

Video

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Details may also appear on Google Play.

Information

Developer
riedel.wtf
Developer Email
support@one-sec.app
Website
one-sec.app
Version
2.6.4
Minimum OS
Android 10
Content rating
Rated for 3+
Category
Productivity
Store rating
4.7
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40,678 Ratings

The developer, riedel.wtf, indicated that the app's privacy practices may include handling of data as described on Google Play. For more information, see the developer's privacy policy.

Privacy practices may vary, for example, based on the features you use or your age. Learn more

Privacy details and official information are on the Google Play store page. This site is not the official Google Play store. Learn more

Reviews
97
Install range (approx.)
1,000,000+ – 1,739,218
Price
Free
Free
Yes
In-app purchases
No
Contains ads
No
Released
Jan 9, 2023
Updated on Play
March 8, 2026
Android (max)
VARY
Play genre ID
PRODUCTIVITY
Developer Website ↗Privacy Policy ↗