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The Raedus Labs Blog
Notes on AI-native products, open source, and building tools that get out of your way.
A Mood Tracker With No Account, Private By Default
Most mood trackers want your email before your first entry. Here's how no-account, on-device tracking works, and where private apps actually keep your data.
Mood Trackers Without a Subscription (Free, No Paywall)
Tired of paying monthly to log your feelings? Here's which mood trackers charge a subscription, which are genuinely free, and which have no paywall.
The Best Open-Source Mood Trackers for Android (2026)
The best open-source mood trackers for Android in 2026, checked on F-Droid. Private, no-account, auditable apps compared, flaws included.
The Free Daylio Alternative for Android That's Open Source
Want a free Daylio alternative on Android? SoulSync is open-source, keeps every feature free, and stores data on-device. An honest side-by-side.
The Pattern Alternative That Talks Back and Remembers You
Leaving The Pattern? Origo's companion Vega knows your full birth chart, reads tarot through your live transits, and remembers every reading.
Co-Star Alternative That Actually Talks Back (and Remembers You)
Want a Co-Star alternative that talks back and remembers you? Origo is a warm astrology companion that holds your full birth chart in context.
The Honest Nebula Alternative: An Astrology App That Remembers You
Leaving Nebula over surprise charges or generic readings? Origo is a warm astrology companion that knows your full birth chart and remembers every reading.
I Shipped a Complete AI Mobile App Using Claude Code Subagents and Parallel Worktrees
How Claude Code subagents, fan-out workflows, and parallel git worktrees built a complete AI mobile app, plus three operational failures.
Best Free App Blockers for Android (2026)
The best free app blockers for Android in 2026, tested honestly. Open-source, no-subscription, privacy-first picks for screen time and ADHD focus.
Block YouTube Shorts & Reels on Android (Keep the App)
Block YouTube Shorts and Instagram Reels on Android without blocking the whole app. Free, open-source, no root. Keep DMs and search, kill the feed.
Free one sec Alternative for Android (Open Source) [2026]
one sec pro costs ~$20/yr and is iOS-first. Nudge brings the same delay-before-opening pause to Android for free, open source, with zero tracking.
Free Opal Alternative for Android (No $99/yr Subscription)
Opal's Android app is paid (~$99/yr) and feature-limited. Nudge is the free, open-source Android alternative: delay-to-open, time budgets, zero tracking.
Open-Source App Blocker for Android With No Internet Permission
Nudge is an open-source app blocker for Android with no internet permission. It literally can't phone home: no account, no tracking, fully auditable code. Free.
The Best Free ADHD App Blocker for Android
Can't stop scrolling? It's not willpower. Nudge is a free ADHD app blocker for Android, open source, that adds a pause before the dopamine loop closes.