one sec | screen time + focus vs Shadow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
one sec | screen time + focus
This app introduces intentional friction to distracting apps and websites, helping users reduce screen time and improve focus. It delays access rather than blocking, promoting long-term behavioral change. Integrates with other apps for enhanced productivity.
- Adds friction to distracting apps
- Delays app access instead of blocking
- Reduces app usage significantly
- Doom Scroll Emergency Brake (Re-Intervention)
- Free Safari extension for websites
- Integrates with other productivity apps
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Willpower is not enough against social media algorithms! That’s why I made one sec: one sec adds friction to distracting apps to make them less appealing…long-term! This principle works really well: we have gained scientific evidence in numerous research studies with the Max-Planck Institute, with the German and Danish government, and in dozens more scientific collaborations: one sec has incredible effects on your screen time: app usage drops by 57% on average! …just read our App Store reviews or try it for yourself if you don’t believe me (…you should really try it)! How is one sec different from Screen Time limits or app blockers? - one sec DELAYS access to distracting apps instead of blocking apps completely – that’s an important difference psychologically. - This way, we solve the screen time problem at its roots: long-term & sustainably! - one sec is always on, and makes using social media just slightly more annoying…so you’ll end up using it only when you actually have a reason! Which apps can I use with one sec? - You can set up one sec with any app you’d like to use less / more intentional. - Most popular use-cases are: social media, games, video streaming, dating, stock/coin trading, adult content. - Using one sec with one app of your choice if completely free, for more you’ll need to purchase one sec pro (we also need to finance development of our app!). What if I get stuck scrolling? - No worries, one sec offers a Doom Scroll Emergency Brake: We call it Re-Intervention. - After a set time (e.g. 5 minutes) you’ll be kicked out of social media, and you’ll have to go through an intervention again to unlock more time. Where can I learn more about the scientific background of one sec? → https://one-sec.app/research Can I use one sec to interrupt access to websites as well? → Yes, one sec offers a free Safari extension as well. How does one sec work technically? - one sec uses Shortcuts Automation to toggle a deep breath animation whenever you open one of the configured apps (Instagram, Twitter, YouTube…). - This breaks unconscious social media habits short-term (literally, as soon as you have set it up) and even helps long-term by adding more friction when opening these apps. Integrations: - Structured: one sec blocks apps during unfinished tasks. - LENGO: learn vocabulary to unlock social media. I developed one sec for myself in 2020…and it worked so well I decided to upload it to the App Store. Especially for people with ADHD one sec is a great tool to gain back control for incredible focus and concentration. – Frederik Legal information: Available Subscription Options: one sec pro (annual / monthly / lifetime unlock) one sec can contribute mindful moments to the Health App via HealthKit. one sec is covered by U.S. Patent 12,468,828 B2. Terms (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://one-sec.app/privacy/
Shadow
This app helps you block distracting applications on your iOS device to improve focus and productivity. It offers a "Safe Zone" for uninterrupted work and robust parental controls to manage children's screen time. Your settings are protected with Face ID and passcode.
- Block distracting iOS applications
- Create a "Safe Zone" for focused work
- Parental controls for screen time management
- Face ID and passcode protection
- Develop good habits
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Shadow is a powerful iOS app blocker designed to help you break social media addiction, focus on deep work, and actually get things done. Set your limits, lock away distracting apps, and instantly drop your screen time. Core Features: • Block Distractions Instantly: Restrict access to social media, addictive games, and endless scrolling with strict Screen Time limits. • Create Your ‘Safe Zone’: Need to study or work? Whitelist only the essential apps you need and lock the rest away for deep, uninterrupted focus. • Strict Mode (Face ID Lock): Prevent yourself from cheating. Lock your blocking settings behind Face ID or a passcode so you stay fully committed to your digital detox. • Parental Controls: Easily set screen time limits and block specific apps to ensure a healthy digital balance for your kids. Who is Shadow For? • Students: Lock your phone during study sessions and prep for exams without TikTok or Instagram breaking your focus. • Professionals & ADHD: Create uninterrupted blocks of deep work and reclaim hours of lost productivity. • Parents: Guide and protect your child’s digital habits with foolproof app restrictions. Say goodbye to endless doomscrolling. Download Shadow today and experience the transformative impact of a focused, mindful lifestyle. Privacy Policy: https://goldencanal.nl/#privacypolicy Terms Of Use: https://goldencanal.nl/#termsofuse
Screenshots
Verdict
The clearest difference is ads: one sec | screen time + focus at none against Shadow's shown. one sec | screen time + focus also leads on ratings volume (24K vs 113) and update cadence (every 2 weeks vs every 2 months). On price, rating, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. one sec | screen time + focus sells 6 in-app purchases, starting at $2.99 per month and Shadow sells 9 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for one sec | screen time + focus against 4.7 for Shadow. That said, the two scores are not equally well evidenced: one sec | screen time + focus has 24K ratings behind it against 113, so its average is the more settled of the two. Written reviews are what separate them: 76% of one sec | screen time + focus's written reviews are positive against 64% of Shadow's.
one sec | screen time + focus ships an update every 2 weeks, Shadow every 2 months. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.
| Parameter | one sec | screen time + focus | Shadow |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (24K ratings) — better | 4.7 (113 ratings) |
| Positive reviews | 75.9% of reviews — better | 63.6% of reviews |
| Number of ratings | 24K — better | 113 |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 368 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | riedel.wtf apps S.L. | Adish Padhani |
Customer experience
one sec | screen time + focus
Shadow
Bugs and requests
one sec | screen time + focus
Reported bugs
4 issues- App switching issues
- Interventions not triggering properly
- Inconsistent behavior with shortcuts
- Crashes and freezes on certain devices
Requested features
6 requests- Ability to block more apps for free
- Customizable intervention timers
- Scheduled app blocking/access
- Passcode protection for settings
- Sync settings across devices
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- More intervention types (e.g. games)
Shadow
Not enough reviews yet to summarise bugs or requests.
In-app purchases
one sec | screen time + focus
- one sec pro (1 Month)$2.991 Month
- one sec pro | Family Plan (1 Month)7 Days trial$4.991 Month
- one sec pro (1 Year)7 Days trial$19.991 Year
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- one sec pro | Family Plan (1 Year)7 Days trial$29.991 Year
- one sec pro | Lifetime$99.99
- one sec pro | Family Lifetime$149.00
Shadow
- Weekly Subscription$1.997 Days
- Weekly Subscription Trial7 Days trial$1.997 Days
- Monthly Subscription$3.991 Month
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- Monthly Subscription Trial7 Days trial$3.991 Month
- Yearly Subscription Discount$6.991 Year
- Yearly Subscription Discount$9.991 Year
- Yearly Subscription Discount$17.991 Year
- Yearly Subscription$34.991 Year
- Yearly Subscription With Trial7 Days trial$34.991 Year
Questions
Is one sec | screen time + focus free?
Is Shadow free?
Which has better reviews, one sec | screen time + focus or Shadow?
Do one sec | screen time + focus or Shadow have ads?
Which is updated more often, one sec | screen time + focus or Shadow?
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