Stop guessing. Start forecasting.
Forthcast uses machine learning to predict demand up to 6 months ahead, calculate optimal stock levels, and automate purchase orders — all for a flat $19.99/month.
No per-SKU fees ever · No credit card required · Cancel anytime
Everything you need to stop stockouts
Forthcast gives Shopify merchants a complete demand intelligence platform — predictive, automated, and affordable.
AI Demand Forecasting
Machine learning models trained on your sales history, seasonality, trends, and external signals predict demand up to 6 months ahead with confidence intervals.
Stockout Prevention Alerts
Get early warnings before you run out of stock. Forthcast calculates your risk window based on current inventory, lead times, and forecasted demand.
Automated Purchase Orders
Turn demand forecasts into draft purchase orders automatically. Review, adjust, and send directly to suppliers without leaving the dashboard.
Optimal Stock Level Calculator
Know exactly how much of each SKU to hold at any given time. Factor in lead times, service level targets, and carrying costs automatically.
Multi-Location Support
Track inventory and demand across multiple warehouses, locations, and Shopify markets. Forecast per-location to optimize distribution.
Native Shopify Integration
One-click install from the Shopify App Store. Your orders, products, and inventory sync automatically — no CSV uploads, no manual data entry.
One flat price. No surprises.
Every other forecasting tool charges per SKU. We don't. $19.99/month covers your entire catalog — 10 products or 10,000.
Flat rate · No per-SKU fees · Cancel anytime
- Unlimited SKUs and variants
- 6-month demand forecasts
- Automated purchase orders
- Stockout prevention alerts
- Multi-location support
- Safety stock calculator
- 14-day free trial included
Live in under 5 minutes
Install from Shopify App Store
Find Forthcast on the Shopify App Store and install with one click. No technical setup required.
Your data syncs automatically
Sales history, inventory levels, and product data import in minutes. Forthcast starts building your demand models immediately.
Get your first forecast
Within 24 hours, you'll have demand forecasts, stockout risk alerts, and recommended reorder quantities for every SKU.
Try before you subscribe
Use these free calculators to understand your inventory costs right now — no sign-up required.
Stockout Cost Calculator
Calculate exactly how much stockouts are costing your business in lost revenue, customer churn, and brand damage.
Try Calculator →Safety Stock Calculator
Calculate your optimal safety stock levels using the industry-standard formula, customized to your lead times and service targets.
Try Calculator →Why merchants switch to Forthcast
Most forecasting tools punish you as you grow. Forthcast doesn't.
| Feature | Forthcast | Inventory Planner | Brightpearl |
|---|---|---|---|
| Pricing model | $19.99/mo flat | Per SKU fees | Enterprise pricing |
| Forecast horizon | 6 months | 3 months | 3 months |
| Shopify native | Yes | Yes | Integration required |
| Automated POs | Included | Paid add-on | Included |
| Free trial | 14 days | 14 days | Demo only |
Ready to stop guessing your inventory?
Start your 14-day free trial today. No credit card required. Works with any Shopify store.
Install Forthcast — Free Trial