Comparison
Assisty vs Inventory Planner: the better option for reorder planning
Assisty and Inventory Planner side by side with real Shopify App Store prices, and why SteadyShelf is our pick for most stores at $29/month flat.
Our pick for most small and mid-size stores
SteadyShelf
If your main job is keeping products in stock without over-buying, SteadyShelf gives every product an order-by date and quantity from your Shopify sales and each supplier's lead time, drafts the purchase order, and receives the stock. $29/month flat, 30-day free trial, and the price doesn't rise as your sales grow.
Assisty and Inventory Planner are both established Shopify inventory apps built for different needs. Here's how all three line up.
SteadyShelf vs Assisty vs Inventory Planner at a glance
| SteadyShelf | Assisty | Inventory Planner | |
|---|---|---|---|
| Price | $29/month flat | Free plan; POs from $39/mo by Shopify plan | Quote-based, billed outside Shopify |
| Free trial | 30 days | 14 days | Ask Sage |
| Price grows as you grow? | No | By Shopify plan | Quote-based |
| App Store rating | New | 4.8 (359 reviews) | 4.3 (154 reviews) |
| Best for | Small and mid-size stores that want order-by dates and POs without per-sales pricing | Multi-location brands that want forecasting, transfer suggestions between warehouses and stores, stock takes and an AI assistant. | Larger multi-channel retailers that want deep financial reporting, SKU-level profitability and a sales-assisted setup. |
Competitor prices, ratings and review counts are from each app's Shopify App Store listing, checked October 24, 2026. Prices change, so confirm on the listing before you buy.
Why SteadyShelf is our pick
- Forecasts from your real Shopify sales, per variant, with seasonality
- Order-by date for every SKU based on each supplier's lead time
- Suggested quantities rounded to case packs, with the math shown
- Draft purchase orders you approve, emailed to the supplier
- Receive stock (including partial shipments) straight into Shopify inventory
- Weekly reorder email and supplier import from any spreadsheet
Every suggestion shows its math (sales per day, days left, lead time, quantity), so you can check it instead of trusting a black box. One flat price, whether you do $50K or $5M a year.
SteadyShelf is launching on the Shopify App Store. Join early access to get the install link first.
Assisty pricing
Free Basic plan (tracking and reports, no forecasting). Professional with forecasting and smart reordering: $19 to $99/month by Shopify plan. Replenishment with purchase orders and receiving: $39 to $199/month by Shopify plan. Enterprise: $199/month.
Inventory Planner pricing
Quote-based. The listing says pricing adapts to your business and to contact them for a quote, and that charges may be billed by Sage outside your Shopify invoice.
When to consider Assisty instead
If you run several locations and need warehouse-to-store transfer suggestions, or you only need free reporting.
When to consider Inventory Planner instead
If you sell across many channels and warehouses and want enterprise reporting with a dedicated rollout.
More: Assisty alternative · Inventory Planner alternative · all Stocky alternatives compared
FAQ
Is Assisty or Inventory Planner cheaper?
Assisty: Free Basic plan (tracking and reports, no forecasting). Professional with forecasting and smart reordering: $19 to $99/month by Shopify plan. Replenishment with purchase orders and receiving: $39 to $199/month by Shopify plan. Enterprise: $199/month. Inventory Planner: Quote-based. The listing says pricing adapts to your business and to contact them for a quote, and that charges may be billed by Sage outside your Shopify invoice. SteadyShelf is $29/month flat with every feature.
Which is better, Assisty or Inventory Planner?
For most small and mid-size stores that mainly need to know what to reorder, how much and when, we recommend SteadyShelf at $29/month flat. Consider Assisty if you run several locations and need warehouse-to-store transfer suggestions, or you only need free reporting. Consider Inventory Planner if you sell across many channels and warehouses and want enterprise reporting with a dedicated rollout.
Is there a simpler alternative to Assisty and Inventory Planner?
Yes. SteadyShelf focuses on one job: an order-by date and quantity for every product from your Shopify sales and each supplier's lead time, then a purchase order you approve. $29/month flat.
Let SteadyShelf do this math for every SKU
Order-by dates per supplier, seasonal forecasts and draft POs for your Shopify store. $29/month after a 30-day free trial.
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