The best alternatives to 1Block are Focus, Undistracted, and Feedless. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— The most accurate API for conversational speech-to-text
Reclaim your productivity by blocking distracting sites and applications, like Facebook and Fortnite. Stay on task and in flow to accomplish your best work!
This chrome extension will become an assistant in your pursuit to control the time we spend every day in infamous time-sinks: Facebook, Youtube, Twitter, Reddit, LinkedIn and Netflix.
We all know how distracting and engrossing these sites can be, but blocking them totally is also not a feasible option since they do provide some really useful content.
Feedless blocks your Facebook, Twitter, and Instagram feeds in Safari on your iPhone. You can use all other parts of the services as usual, we just block the feed. Take control of your time, and say goodbye to mindless scrolling!
AppBlock - Stay Focused is a Self Control android application that helps you (its users) to block distracting applications temporarily on your device so that you can stay focused in school or at work. The blocker app can get activated for a precise time and date, and once the pre-set time duration is over, the blocked apps can be used again.