SigNull — Cut the Noise. Focus on the Signal.
A to‑do app that separates high‑impact work from busywork. Daily Top‑3 and a personal Noise Budget keep you focused.
Launch AppNo signup friction • Works on desktop & mobile • Privacy-first
Features
Inbox & Triage
Capture everything, then classify Signal or Noise.
Daily Top-3
Start with your Top‑3 Signal tasks.
Noise Budget
Limit busywork to 45 minutes — then Defer or Justify.
Signal-to-Noise Ratio
See how much of your day went toward Signal vs Noise with a simple SNR score.
Multi‑device Sync
Link your devices with a secure email link. Use SigNull on desktop and mobile, and your tasks stay in sync across all your devices.
Lifetime Pro
Pay $5 once — keep Pro forever. No subscriptions.
The Theory
Productivity isn’t about doing more — it’s about protecting yourSignal vs Noise balance with focus on high-impact work and a capped budget for busywork.
Pricing
Start free. Upgrade once for lifetime Pro with unlimited tasks and goals.
Pro
Lifetime — one‑time $5
- Unlimited tasks/goals
- SNR history
- Multi‑device sync
$5 once
Buy Pro — $5 lifetime