SOS Inventory Pricing and What Add-ons Cost
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SOS Inventory has three plans, all built for QuickBooks Online. Companion costs $69.95 a month with 2 users, Plus $139.95 with 3 users, and Pro $194.95 with 5 users. Paying yearly gives two months free: $699.50, $1,399.50 and $1,949.50. Extra users are $25 a month each and every external connection, such as a Shopify store, is another $25 a month. There is a 14-day free trial and no published setup fee. Those figures come from SOS Inventory's own pricing page. Several review directories still list the older $64.95, $129.95 and $179.95 prices, so treat any quote below $69.95 as out of date.
The sticker price is only part of the bill. Which plan you land on depends on three things the headline hides: how many warehouses you run, whether you track serial or lot numbers, and whether you want reorder points calculated for you. Below: the full plan table, the add-ons, three worked budgets for US businesses, and where a QuickBooks seller still ends up doing the reorder math by hand.
SOS Inventory pricing plans at a glance
| Item | Companion | Plus | Pro |
|---|---|---|---|
| Monthly price | $69.95 | $139.95 | $194.95 |
| Annual price (2 months free) | $699.50 | $1,399.50 | $1,949.50 |
| Users included | 2 | 3 | 5 |
| Extra user | $25/mo or $250/yr | $25/mo or $250/yr | $25/mo or $250/yr |
| Locations | 1 | Unlimited | Unlimited |
| External connections allowed ($25/mo each) | 1 | 2 | 3 |
| Items and SKUs | Unlimited | Unlimited | Unlimited |
| Serial and lot numbers, bins, barcoding | No | Yes | Yes |
| Item variants, units of measure, transfers | No | Yes | Yes |
| Multiple vendors per item, vendor returns | No | Yes | Yes |
| Landed costs | No | No | Yes |
| Reorder list and POs from stock levels | Yes | Yes | Yes |
| Reorder points calculated from history | No | No | Yes |
| Work orders, WIP, job costing, labor and overhead | No | No | Yes |
| Customer portal | No | No | Yes |
| Custom fields | 1 | 3 | Unlimited |
| Support | Email and phone | Email, phone and priority |
Every plan includes sales orders, assemblies with unlimited bill of material levels, FIFO, LIFO or weighted average costing, multi-currency, backorders, partial shipments, UPS and ShipStation integration, and two-way sync with QuickBooks Online Essentials, Plus or Advanced.
How much does SOS Inventory cost per month?
SOS Inventory costs $69.95 to $194.95 a month before add-ons, or $58.29 to $162.46 a month when you pay yearly. Most growing businesses pay more than the base price, because each plan includes only 2 to 5 users and every sales channel or FTP feed counts as a $25 connection. A three-user team on Plus with one Shopify store pays $164.95 a month, not $139.95.
What SOS Inventory add-ons cost
SOS keeps its add-on list short, which is a real point in its favor next to tools that meter orders. There are two recurring extras:
- Additional users: $25 a month, or $250 a year on annual billing, on every plan.
- External connections: $25 a month per connection. Shopping carts (Shopify, BigCommerce and PayPal) and FTP sites count. Companion allows 1, Plus 2 and Pro 3.
There is no order cap or per-order fee on any plan, and SKUs are unlimited. SOS offers free customer training and does not publish an onboarding fee. What you cannot buy is a fourth connection on Pro, so a brand selling on Shopify, BigCommerce and a wholesale FTP feed is already at the ceiling.
Three real SOS Inventory budgets
| Business | Plan and extras | Monthly billing | Annual billing, first year |
|---|---|---|---|
| Small wholesaler, 2 users, 1 warehouse, one Shopify store | Companion + 1 connection | $94.95/mo ($1,139.40/yr) | $699.50 + $300 = $999.50 |
| Distributor, 5 users, 2 warehouses, lot tracking, Shopify and BigCommerce | Plus + 2 users + 2 connections | $239.95/mo ($2,879.40/yr) | $1,399.50 + $500 + $600 = $2,499.50 |
| Light manufacturer, 8 users, work orders, three connections | Pro + 3 users + 3 connections | $344.95/mo ($4,139.40/yr) | $1,949.50 + $750 + $900 = $3,599.50 |
The annual column assumes connections stay at $25 a month, because SOS does not publish a yearly connection price. Ask for it in writing before you sign, and ask whether any new-customer discount carries over at renewal.
Is SOS Inventory worth it?
SOS Inventory is worth it for a US business that runs its books in QuickBooks Online and has outgrown QuickBooks' own inventory: you get sales orders, pick tickets, serial and lot tracking, multiple warehouses and assemblies for $140 to $195 a month, with transactions posting straight into QuickBooks. It is less of a fit if you are on QuickBooks Desktop (it supports QuickBooks Online Essentials, Plus and Advanced), if your main channels are marketplaces such as Amazon or Walmart (the connections listed on its pricing page are Shopify, BigCommerce and PayPal), or if you need a demand forecast.
Where it earns its price is the accounting side. Invoices, item receipts and cost of goods land in QuickBooks Online at the transaction level, with classes and sales tax intact. If your bank feed still breaks and you are keying transactions in by hand, a bank statement to QuickBooks converter fixes that part of the close, and SOS handles the inventory side.
Does SOS Inventory do forecasting and reorder points?
Partly. All plans have a reorder list and can generate purchase orders from stock levels, using reorder points you enter per item. Only Pro calculates reorder points from historical data. None of the plans produces a per-item demand forecast with seasonality, a sell-out date or an order-by date tied to supplier lead time.
That matters more than it looks. A reorder point typed once in spring is wrong by October for anything seasonal, and a point calculated from past averages still lags a product that is taking off. The fix is a reorder point per SKU equal to forecast demand over the lead time plus safety stock, updated as sales move. The method is on our inventory replenishment software page, and the QuickBooks-specific version, which reads items and sales from QuickBooks Online, is on our QuickBooks inventory forecasting software page.
SOS Inventory vs other QuickBooks inventory apps on price
| Tool | Entry price | Forecasting | Watch out for |
|---|---|---|---|
| SOS Inventory | $69.95/mo (Companion) | Calculated reorder points on Pro only | QuickBooks Online only; 1 to 3 paid connections |
| Fishbowl | $229/mo billed annually (Essentials) | On Scale at $729 | Required implementation package, unpriced. See our Fishbowl pricing guide |
| inFlow | $99/mo billed yearly (Lite) | Reorder point report, no forecast engine | Unlimited orders; 2 team members and 1 location on Lite. See inFlow pricing |
| Zoho Inventory | $29/mo billed annually (Standard) | No; alert at a reorder point you type | Order caps per plan. See Zoho Inventory pricing |
| Katana | Custom quote (free up to 30 SKUs) | Included on all plans | Sales-led annual contract with implementation included. See Katana pricing |
| Storekeeper | $49/mo (Starter), $149 (Growth) | Per-SKU forecast with seasonality, reorder points and order-by dates on every plan | Plans the reorder; not a replacement for SOS's sales orders, lots or work orders |
Does SOS Inventory have a free trial?
Yes. SOS Inventory offers a 14-day free trial of the full product, connected to your QuickBooks Online company. Use a sandbox or a copy of your company file if you can, because the trial posts real transactions into QuickBooks. Run one full receiving and shipping cycle before you decide, since that is where the plan limits on locations and lot tracking show up.
Can I change SOS Inventory plans later?
Yes. An account administrator can upgrade or downgrade inside the SOS app. The common path is Companion to Plus the day you open a second warehouse or need lot tracking, and Plus to Pro when you start building to work orders or want landed costs. Downgrading from Plus to Companion is harder in practice once you have more than one location or serialized items, so start on the plan your next twelve months need.
Questions to ask before you buy SOS Inventory
- Am I on QuickBooks Online Essentials, Plus or Advanced, not Desktop or Simple Start?
- How many people need a login, and how many sales channels and FTP feeds will I connect?
- Do I need serial or lot numbers, a second location or item variants (Plus and up)?
- Who will set and maintain reorder points for every item, and how often?
- Is the new-customer price locked for renewal, and what does a yearly connection cost?
The short version: SOS Inventory is fairly priced for what it does, which is run orders and stock inside QuickBooks Online. The part it leaves to you is deciding how much to reorder and when. If that is where the money leaks, through stockouts on best sellers or cash stuck in slow items, test the forecast on your own SKUs with the demo above and compare plans on our pricing page.
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