Prices include Australian GST · Cancel monthly/annual subscriptions anytime · Payments via Stripe
How compute units work
Each computation consumes a small number of units. Units reset daily at midnight UTC.
2 units per year
Planetary ephemeris (2 units for a 1 year range, 20 at the 10 year maximum)
3 units per year
Bradley siderograph (3 units for a 1 year range, 30 at the 10 year maximum)
1 unit
Gann Square of Nine
1 unit per 100 bars
Cycle Scanner (1 unit at 100 bars, 20 at the 2,048 bar maximum)
3–10 units
Historical Analogs (3 units for a 20 year scan, 10 for 100 years)
0 units
Viewing results, account management
Each module guide shows the exact unit cost for the settings you choose. Start with the user guides.
Full comparison
Every plan runs all six modules at full range and full precision. The paid plans buy you a larger daily compute quota, and Pro adds price history for the 25 built in instruments.
Feature
Free
Hobbyist
Pro
Pricing
Price
$0
$19/mo or $190/yr
$49/mo or $490/yr
Annual save
·
save $38/yr
save $98/yr
Compute quota
Daily compute units
50
1,000
10,000
Quota reset
Daily
Daily
Daily
Modules
Planetary Ephemeris
✓
✓
✓
Bradley Siderograph
✓
✓
✓
Gann Square of Nine
✓
✓
✓
Cycle Scanner (FFT)
✓
✓
✓
Historical Analogs
✓
✓
✓
Data
CSV upload
✓
✓
✓
Historical analog scan range
100 years
100 years
100 years
Cycle Scanner max bars
2,048
2,048
2,048
Live instrument prices (25 markets)
✓
✓
✓
Price history, up to 2 years
·
·
✓
Support
Email support
·
✓
✓
Billing questions
When does my subscription renew?
Monthly subscriptions renew on the same day each month. Annual subscriptions renew once per year. You'll receive an email receipt from Stripe before each charge.
Do you offer annual billing?
Yes. Hobbyist at $190/yr (save $38) and Pro at $490/yr (save $98). Select Annual in the billing toggle above. Annual plans are billed upfront and renew once per year.
What happens if I cancel?
You retain access to your paid plan until the end of the current billing period. After that, your account reverts to the free tier.
Can I get a refund?
See our Refund Policy. We honour all rights under Australian Consumer Law. For subscription billing errors, contact us within 7 days and we'll issue a full refund.
Is GST included?
Yes. All prices shown include Australian GST (10%). Your Stripe receipt will show the GST component separately.
How do I manage my subscription?
Log in and click "Billing" in your dashboard header. This opens the Stripe Customer Portal where you can update payment details, view invoices, and cancel.
Not financial advice. Crohamhurst provides computational tools for independent research and educational purposes only. Past market correlations with planetary cycles do not guarantee future results. Always consult a licensed financial advisor before making investment decisions.