one sec | screen time + focus vs Link2Send
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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Stop opening social media on autopilot. one sec adds a short pause before distracting apps so you can choose what deserves your attention. 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 is 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/
Link2Send
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Link2Send is a peer-to-peer file transfer tool for devices on the same Wi-Fi network. No cloud servers. No accounts. No internet required. Files travel directly between your devices with TLS end-to-end encryption. — Cross-platform — Works seamlessly between iPhone, iPad, Mac, Windows, Linux and Android. Send a screenshot from your laptop and it lands on your iPhone in seconds. — Privacy by design — • No telemetry, no analytics, no ad SDKs • Self-signed certificates, fingerprint-pinned trust • Files never leave your local network — Built for everyday transfer — • Drag-and-drop or pick from gallery • Resume interrupted transfers • Send multiple files in one shot • Browse received files in the iOS Files app • 2 MB chunked transfer for fast and reliable delivery — Discover devices instantly — Link2Send announces itself on your LAN via multicast and pairs in one tap. Once paired, devices remember each other across restarts. Privacy: https://link2send.com/en/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Link2Send at none against one sec | screen time + focus's 6. Link2Send also leads on update cadence (every 3 days vs every 2 weeks). one sec | screen time + focus's advantage is device support (4 vs 2). On price, ads and iOS requirement 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 $6.99 per month. Link2Send asks for nothing beyond the download.
one sec | screen time + focus ships an update every 2 weeks, Link2Send every 3 days. The most recent releases landed on October 30, 2026 and October 10, 2026 respectively.
| Parameter | one sec | screen time + focus | Link2Send |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (24K ratings) — better | — |
| Positive reviews | 75.8% of reviews | — |
| Number of ratings | 24K — better | — |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 349 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | riedel.wtf apps S.L. | 驰磊 张 |
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)
Link2Send
Not enough reviews yet to summarise bugs or requests.
In-app purchases
one sec | screen time + focus
- one sec pro (1 Month)$6.991 Month
- one sec pro | Family Plan (1 Month)7 Days trial$9.991 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
Link2Send
No in-app purchases
Questions
Is one sec | screen time + focus free?
Is Link2Send free?
Do one sec | screen time + focus or Link2Send have ads?
Which is updated more often, one sec | screen time + focus or Link2Send?
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