one sec
one sec: A cross-platform blocker with configurable interventions, schedules, strict sessions, and tracking. Ranked #3 of 29 in Distraction Blocking Software by our editors (9.2/10); pricing: Free plan · 7-day trial; best for cross-platform users wanting interventions and blocking.
At a glance
- Editor score9.2 / 10
- PricingFree plan · 7-day trial
- Best forCross-platform users wanting interventions and blocking
- Free planYes
- Block targetsWebsites and apps
- Founded2020 · Barcelona, Spain
- Facts checked20 Sep 2026
Where it wins
- Blocks apps and websites across desktop, mobile, and browser extensions
- Supports recurring schedules, scheduled blocks, and strict sessions
- Adds interventions, time tracking, adult-content filtering, and two integrations
Where it doesn't
- Strict sessions limit the ability to pause or leave early
- Pricing varies by region across published listings
- The listed integrations are limited to Structured and Lengo
Our verdict on one sec
one sec is a distraction-blocking and screen-time app for people who want more intentional technology use. It places configurable interventions before selected apps or websites open, and it can block chosen targets during active or scheduled sessions. Coverage includes Windows, macOS, Linux, iOS, Android, and a Chrome extension, making it suited to people who want similar controls across devices rather than a single-platform blocker.
The product uses a freemium model with a free plan and a seven-day free trial. The published Pro highlights include unlimited apps, website blocking, strict block sessions, and time tracking. Pro Lifetime provides lifetime access to Pro features, while Family Plan offers a family subscription and Family Lifetime provides lifetime family access. The listed starting price is 1.67, and prices vary by region. Buyers should compare the applicable regional listing before choosing between recurring and lifetime options.
one sec’s standout area is the combination of intervention-based friction and scheduled blocking. Users can set recurring schedules by weekday and time, use strict sessions that prevent pausing or leaving early, and review progress through time tracking and statistics. Website blocking works through browser extensions, while adult-content filtering adds another control layer. Integrations with Structured and Lengo support a focused ecosystem, but buyers seeking a wider integration catalog may prefer another option. Choose one sec for cross-platform blocking with configurable interventions; avoid it if flexible sessions or broad integrations matter more than enforced blocking.
Your product? Our editors can test one sec in depth and publish a review, labelled as paid · from $149/mo →
one sec pricing
All 4 one sec plans and prices →
one sec fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Block targets | Websites and apps |
| Scheduled blocking | Yes |
| Recurring schedules | Yes |
| Locked sessions | Yes |
| Browser extensions | Yes |
| Mobile apps | Ios and android |
| Devices included | Not verified |
| Free trial | 7 days |
| Money-back guarantee | 14 days |
| Deployment | Desktop, Mobile, Browser extension |
| Platforms | Windows, macOS, Linux, iOS, Android, Chrome extension |
| Support | Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 2 integrations: Structured, Lengo |
| Pricing | Free plan · 7-day trial (source) |
| Website | one-sec.app |
| Facts checked | 20 Sep 2026 |
one sec integrations
one sec lists 2 integrations on its own site.
- Structured
- Lengo
Alternatives to one sec
- FreedomA cross-device blocker with scheduling, Locked Mode, and a useful free tier.9.4
- Digital Habits: BlockerBroad desktop and mobile blocking with schedules, focus spaces, and no user-data collection.9.3
- FocuserA granular, local-first blocker for technical desktop users who want private controls.9.1
See all one sec alternatives →
one sec vs the competition
- one sec vs Freedom
- one sec vs Digital Habits: Blocker
- one sec vs Focuser
- one sec vs Cold Turkey Blocker
- one sec vs ScreenZen
- one sec vs Pluckeye
Compare one sec with any tool side by side →
Also Ranked In
one sec is ranked in 2 of our directories.
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Featured on iTechGuides
one sec is listed in our Distraction Blocking Software directory. Add the badge to your site — it links back to this page.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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