Personal Finance Calendar

Know where
you stand.
Every day.

fin0 gives you a single daily signal — green, yellow, or red — that tells you the true state of your finances. No dashboards. No noise. Just clarity.

Start free trial → How it works
April 2026
Mo
Tu
We
Th
Fr
Sa
Su
Green — on track
3
States. No more.
1
Signal per day
14
Days free trial
iOS · Android · Web
All platforms
The corridor signal

Three states.
One truth.

Every day, fin0 computes a single signal — your corridor — based on your budget thresholds, transactions, and financial trajectory. No spreadsheets. No anxiety. Just signal.

Green
On track

Your spending is within bounds. Savings targets are met. You are exactly where you should be — or ahead of it.

Yellow
Watch it

You're still in the corridor, but approaching the edge. Something needs attention — not urgently, but today.

Red
Act now

You've left the corridor. A budget threshold was crossed. fin0 tells you where — so you can fix it fast.

Built different

Designed for
people, not dashboards.

◈
Calendar-first

Finances live in time. fin0 surfaces your signal on a familiar calendar — not in endless tables or pie charts you'll never look at again.

◑
Budget corridors

Define thresholds per category, per period. fin0 watches the boundaries — so you don't have to live in a spreadsheet to stay on track.

⬡
iOS · Android · Web

One account, all your devices. The corridor signal follows you — native apps on mobile, instant access on the web. Always in sync.

◻
End-to-end encrypted

Your financial data is encrypted before it ever leaves your device. We process the signal. We never see the numbers.

Simple pricing

Start free.
Stay clear.

Trial
Free
14 days, no card required
  • Full access to all features
  • Corridor signal — daily
  • iOS, Android & Web
  • Up to 3 budget categories
  • Manual transaction entry
Start for free →
Most popular
Monthly
$4.99
per month · cancel anytime
  • Everything in trial
  • Unlimited budget categories
  • Transaction import (CSV)
  • Push notifications
  • History & trends
Get started →
Yearly
$39
per year · billed annually
Save 35% vs monthly
  • Everything in monthly
  • Priority support
  • Early access to new features
  • Export your data anytime
  • One account, all devices
Get yearly →
Payments powered by Stripe
VISA Pay
Available on iOS · Android · Web

Your finances.
Your signal.
Every day.

Start free trial → See how it works

14 days free · No credit card · Cancel anytime