30-day trial
Try the whole app for 30 days.
Every feature unlocked from the first minute — no card, no account, nothing to cancel. Enter your own numbers or open a worked example. Your figures never leave your machine.
Buy in weeks 1–2
$29
Early-adopter price, during your first two weeks of trial.
Buy in weeks 3–4
$39
If you decide later in the trial, before day 30.
After the trial
$49
One-time, whenever you come back.
Prices are one-time. Every future update included.
What you get
- Every feature, from day one — no read-only demo, no locked tabs
- The full 30 days even if you buy early — the trial is not cut short
- All future updates to the app, at no extra charge
- Your plan saved on your own device; the app works offline
- No subscription, no renewal, no price rises
Already have a licence key?
Enter it here to unlock the app on this device.
The trial runs on your device. Starting it records a trial token so the app can unlock itself offline; nothing about your plan is uploaded. After 30 days the app keeps working in read-only until you buy — your data is never held hostage. Buying is a one-time Stripe payment; a licence key is emailed to you and works on up to three devices.