one sec Review: Can It Really Reduce Mindless App Use?

This one sec review asks whether a breath before Instagram is worth a Pro fee. This is a source-reviewed guide, not a hands-on lab test. We used the US and UK App Store pages, Google Play, one-sec.app FAQ and privacy pages, and two named papers, all captured on 13 September 2026.

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Download one sec | screen time + focus on the App Store · Get one sec | screen time + focus on Google Play

one sec delays the open. It does not hide the icon. The free tier covers one app. More apps need Pro. The app cannot replace therapy. It cannot treat ADHD. It adds a pause.

Who this one sec review is for

This one sec review is for adults who still want the app on the home screen, but not the autopilot tap. It suits people who will finish iOS Shortcuts setup or Android Accessibility setup. It suits people who will start with one target and only then pay.

Skip it if you need a hard lock at 9 a.m. on a phone and a PC. That job sits with Freedom or Opal. Skip it if a breath screen will make you delete the intervention. Skip it if you wanted a tree. That job sits with Forest.

See best screen time apps for the shortlist. If a scroll is also a snack, read stress eating, a practical guide. A walk still sits in the UK and US activity guidelines.

Dated features and store facts

The US listing described a delay instead of a full hide, a Re-Intervention after a set time, category picks, an adult-content filter, a Safari extension, HealthKit “mindful minutes,” and a US patent number (12,468,828 B2). Setup uses Shortcuts automations on iOS. The FAQ listed breathing, math, “follow the dot,” a mirror, and intention notes as interruption types.

Version 5.3 (30 August 2026) added multiple block sessions, pause and resume, custom intentions, and VoiceOver work. Earlier 2026 notes mentioned iOS 26 Screen Time fixes. Those notes are the vendor’s. We did not re-test them.

Play (updated 27 August 2026) said the Accessibility Service detects target apps and that data stays offline. What’s-new copy mentioned bug fixes and research projects. Age rating was Everyone.

Pricing: one app, then Pro

The free download is the test. The FAQ says one target is enough to see if the idea works. Pro unlocks more apps and extras. US year $19.99 versus $35.88 if you paid $2.99 twelve times. UK year £19.99 versus £35.88 at £2.99 a month. Lifetime $99.99 or £99.99 is five US years at the annual SKU. Family SKUs cost more. Region can also show euro prices on the FAQ (€3.99 / €14.99 / €99.99). Checkout decides.

The FAQ offered team seats “as low as 83ct per user per month” billed yearly. That is a vendor line for schools and workplaces. We did not verify the live team till. If cost is a barrier, the FAQ said to write support. We cannot promise a discount.

What the papers actually measured

This one sec review can cite a real paper. Grüning, Riedel and Lorenz-Spreen (PNAS, 8 February 2023) logged 280 people for six weeks and ran surveys before and after. On average, users dismissed 36% of opens after the intervention. Open attempts fell 37% from week one. Combined, actual opens of target apps fell 57% by week six. People also reported less time and more satisfaction. The app’s developer is a co-author. That is a conflict to name, not a reason to hide the journal.

The same paper’s online experiment (n = 500, preregistered) split the pause into a message, a wait, and a dismiss button. The dismiss option did the most work. The wait still cut some plays. The message alone did not. So the useful bit is the chance to stop, not a slogan on the screen.

Haliburton and colleagues (CHI 2024) later watched 1,039 organic users for a mean 13.4 weeks, plus 249 survey replies. People mostly targeted social apps. Friction still cut open attempts. Users took breaks. Use rose on those breaks, then fell again when the pause returned. That is habit data, not a clinic result. Listing lines about sport, smoking, or “ADHD relief” are not those papers. Do not treat user quotes as treatment.

Privacy: offline unless you opt in

Play’s Data Safety box said no data collected and no data shared. The privacy page said data stays offline by default. Account, payment, support, or iCloud sync are the exceptions. The research page said study data comes only from people who opt in and fill surveys. Play also said the Accessibility API is used to detect target apps.

The US App Store fetch did not print a full Apple privacy-label table in the text we captured. Do not invent one. Read the live label on your phone. We did not audit the binary.

What remains unverified

We did not install one sec for this one sec review. We did not repeat the 2023 field study. We did not verify that every intervention type still matches the FAQ. Play did not show an install band in our fetch. The research page lists later government and Cambridge reviews; we did not re-score those here.

Some Play reviews in 2025 said a re-intervention fired while they were already reading or typing. The developer asked those users to write support. That is sentiment, not a lab note. This one sec review treats those comments as user reports only.

Who should skip one sec

Skip Pro if one target is enough. Skip the app if setup fails and you will not debug Shortcuts. Skip it if you need a lock you cannot dismiss. Skip it if you wanted a scoreboard more than a breath.

This one sec review’s close: pay if a pause will change the tap. Do not pay for a mental-health cure the papers do not claim.