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one sec
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App Pause
Cognitive app & website blocker for iOS and Chrome that stops doomscrolling with adaptive math puzzles. Generous free tier (up to 3 limits for unlimited apps), 100% local privacy, optional one-time Lifetime Pro.
LayerStack’s Arm-based cloud virtual machines, powered by cloud-optimized CPU based on Arm architecture that deliver excellent cost-effective processing power, allowing you to easily complete the most demanding application development.

Website, pricing, platforms and company facts side by side.
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LayerStack Arm-based Cloud Server
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| Website | novasynapse.com | layerstack.com |
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| Company | Startup from Estonia · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

Scroll Brake is a native iOS (Screen Time / FamilyControls API) and Chrome Extension app & website blocker that replaces passive countdown timers with active cognitive friction — requiring you to solve adaptive mental math challenges before distracting feeds open. Key Capabilities Cognitive...
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What each product offers, as listed by its team.

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

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As answered by people managing Scroll Brake and LayerStack Arm-based Cloud Server.
Scroll Brake's answer
We noticed that standard app blockers fail in two ways: strict hard blocks force users to delete the blocker during an urgent message, while passive 5-second delays become invisible to muscle memory. Escalating mental math creates the exact cognitive pause needed to close the app voluntarily.
Scroll Brake's answer
Native Swift, SwiftUI, Apple FamilyControls / ManagedSettings / DeviceActivity frameworks on iOS, and TypeScript / Manifest V3 for the Chrome Extension.
Scroll Brake's answer
Instead of passive countdown timers or breathing animations that muscle memory learns to ignore within days, Scroll Brake uses active cognitive friction — requiring you to solve adaptive mental math puzzles (with escalating daily difficulty) before distracting apps or websites open.
Scroll Brake's answer
Scroll Brake's answer
Developers, students, founders, and knowledge workers with ADHD or high screen exposure who want to stop compulsive doomscrolling on iPhone and Chrome without surrendering their privacy or paying $100/year.
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