Semaphr – Free kill switch for mobile apps
Fully manage your mobile apps with version control, kill switches, force updates, and in-app messaging.
Semaphr – Free kill switch for mobile apps launched on July 21, 2023 with 7 votes, #1,751 of 4,347 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 3 years on.
What it does
Instantly block broken releases, push critical updates, and communicate with your users — all without app store delays. A new version with critical fixes is available. Please update to continue. This version has been disabled due to a critical issue. Please update to continue. Instantly prevent users from accessing buggy releases. One click to block any version causing issues in production. Add a few lines of code and start controlling your app remotely. Force users to update immediately without waiting for app store review. Ensure all users are on compatible versions before deprecating endpoints. Block affected versions instantly while you release thefrom semaphr.com
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