
Cold Turkey
Opal.so
Freedom.to
Forest App
LeechBlock
clearspace
FocusMe
one sec uses Shortcut automation in order to empower you to spend more time in the real world.

DigiCert CertCentral
Certify The Web
GuardSSL.info
Certmon.net
QCecuring
Better Uptime
Certbot
CertKit SSL Certificate Management automates the discovery, lifecycle, distribution, and monitoring of PKI Certificates.

Which is more popular?
Based on our record, one sec seems to be more popular. It has been mentioned 44 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | one-sec.app | certkit.io |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of one sec yet.
Finally, a GUI for certificate management. No more checking if CertBot actually ran. CertKit gives you one dashboard to see every cert, every renewal, every domain—before they expire and ruin your weekend. Built after the third production outage from a failed ACME challenge that nobody noticed....
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of one sec yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
The app that makes Elon Musk cry — One Sec app setup & review
More videos
No CertKit.io videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using one sec and CertKit.io. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I think most users need more screen blocking control than they get out of the box on iOS. Ntools like one sec [1] have been invaluable for me. [1]: https://one-sec.app/. - Source: Hacker News / 8 months ago
One thing that finally worked for me was using: https://one-sec.app/ It basically forces you to do a little breathing exercise before you can visit the site that you have on its block list. It has been life changing. It adds enough... - Source: Hacker News / over 1 year ago
I've tried various forms of this. As long as there's a logged in session somewhere, I have to have various tricks and extensions on my browser to manage things. Most have been only varying degrees of successful, often ending up in me... - Source: Hacker News / over 1 year ago
Tracking CertKit.io since Sep 2025.
When comparing one sec and CertKit.io, you can also consider the following products.

Cold Turkey is a free productivity program that you can use to temporarily block distractions so that you can get your work done!
Compare Cold Turkey to one sec or CertKit.io:

News about global issues in digital security. Updates about DigiCert innovations in SSL, IoT and PKI.
Compare DigiCert CertCentral to one sec or CertKit.io:

Real Focus in Real-Time. Measure and improve your focus day by day, on iPhone, iPad and macOS.
Compare Opal.so to one sec or CertKit.io:

Certify The Web provides a simple way to use Let's Encrypt and other ACME CAs on Windows and IIS, with an easy to use UI. Advanced users can use powerful Deployment Tasks and custom scripting for more complex automation scenarios.
Compare Certify The Web to one sec or CertKit.io:

Freedom is a productivity hack that lets you block apps, websites or the entire Internet on iPhones, iPads, Windows and Mac computers.
Compare Freedom.to to one sec or CertKit.io:

Instant SSL certificate checker with 1-second results. No registration required. Monitor SSL expiry 24/7 with automated alerts via Slack, Discord, Telegram & Feishu. Free forever.
Compare GuardSSL.info to one sec or CertKit.io: