Comparison

SOS Inventory Software vs OIS Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SOS Inventory Software

Manage inventory, manufacturing, and sales with this comprehensive business control program. It offers detailed tracking of stock, orders, and customers, with unique mobile features for on-the-go counts and pricing checks. Designed for small businesses, it provides powerful functionality at a cost-effective price.

Highlights
  • Inventory tracking
  • Manufacturing management
  • Sales order processing
  • Mobile barcode scanning
  • Physical inventory counts
  • QBO integration
  • Reporting options
Features
Read full description

Get a panoramic view of your inventory, cash flow, and operations with a single inventory management control program designed specifically for QBO integration. SOS Inventory was created with the small business owner in mind; similar programs start at tens of thousands of dollars. SOS is suitable for the cost-conscious with no sacrifice of powerful features and functions. SOS Inventory’s easy-to-use inventory management software offers complete control over purchase orders, stock, sales, customers and locations with endless reporting options. Our mobile application allows users the freedom to work away from the desk, and unique features that are especially convenient for conducting physical inventory counts. **Unique Mobile App Features:** • Rapid Stock Review – Quickly check stock-on-hand by location and date. • Pricing Checks – Scan items and apply a wide range of filters to vendor specific discounts, quantity discounts, general pricing, etc. • Bin Tracking – Find the count of any bin. • Physical Inventory Counts – Scan bar codes to check actual versus logged inventory numbers by location. • Add a Sale – Add an estimate, order, receipt or invoice. • Built-in Bar Code Scanning – Scan items from your phone directly to the mobile app for quick inventory review and comparison. **Inventory:** • Locations • Kits (Item Groups) • Cycle Counting • Inventory Adjustments • Pictures of Items • Serial Numbers (Serialized Inventory) • Lot Numbers (Batches) • Bin Tracking • Barcoding in Multiple Formats • Units of Measure on all Transactions • Inventory Transfers with Shipping • Item Variants • Calculate Reorder Points Based on Historical Data • Landed Costs **Manufacturing:** • Assemblies • BOM Levels • Auto-Build on Shipment • Contract Manufacturing • Job Tracking • Job Cost Accounting • Work Orders • Work Centers • Work-in-Progress (WIP) • Process Manufacturing • Variable-Yield Manufacturing • Labor Tracking • Overhead **Fulfillment:** • Backorder Management • Packing Slips • Bills of Lading • Shipments • Partial Shipments • Ship Multiple Sales Orders for Same Customer • Drop Shipments • UPS Shipping Integration • Pick Tickets **Sales:** • Sales Orders • Estimates/Quotes • Invoices • Merge Multiple Invoices for Same Customer • Sales Receipts • Sales Reps Restricted to Customers/Sales • Commission Reports • Note System for Customer Service Reps • Returns • Credit Memos • Credit Holds on Customers • Sub-Customers with Parent Billing • Number of External Connections • ShipStation Integration • Rentals and Consignments • Contract Pricing • Price Levels • “Cost Plus” Pricing Number one rated ERP software. Companion application for current SOS Inventory web application subscribers.

About

OIS Pro

This sales order management tool helps wholesale distributors and manufacturers streamline on-the-go sales. It features a digital product catalog, real-time inventory, and payment processing, empowering field sales reps and managers with essential data and efficient route management.

Highlights
  • Create and send orders instantly
  • Digital product catalog with pricing
  • Accept payments on the spot
  • Real-time inventory access
  • Offline order writing capability
  • Route management for store visits
  • End-of-day sales reporting
Features
Read full description

The OIS Pro App is an all-in-one sales order management tool (iPhone/iPad) for wholesale distributors and manufacturers with on-the-go sales teams, including pre-sales and direct store delivery (DSD). OIS Pro allows field sales reps to create and send orders in seconds. The user-friendly design includes a digital product catalog, KPIs, detailed customer information, open invoicing and payments, route management, daily reporting and so much more. OIS Pro empowers sales managers with real-time data regarding field sales performance with end-of-day reporting, tracking daily sales goals, store visits, orders placed and payments received. OIS Pro keeps your presales and DSD teams working smart, not hard. The OIS app seamlessly integrates with popular ERP and accounting software, including QuickBooks, SAGE, SAP, NetSuite, Microsoft Dynamics and others. Learn more about the OIS Pro Benefits and Features: Place orders in seconds with real-time data. Place Orders & Get Paid Easily create sales orders and accept payments on the spot. Digital Product Catalog Easily navigate product images, customize pricing, discounts and trade promotions for each customer. Promotions & Discounts Increase order size and improve margins by cross-selling, upselling or using specific order rules. Real-time Inventory Real-time access to product availability when placing customer orders on the spot. Request Inventory Transfers DSD reps can request inventory transfer from multiple warehouses right from the app, so you never run out of products in the field. An app that works 24/7 days a week. Offline Access Allows reps to still write orders and view product catalogs with no Wi-Fi or internet. Open Invoicing Browse payment history, open balance information and share invoices in a few clicks. Share Docs Easily share sales orders, invoices, quotes and credits with customers. Powerful KPIs Improve sales performance by tracking daily sales goals, store visits, orders placed and payments received. Route Manager Optimize field efficiency by routing your day-to-day store visits. An app that's easy to use and navigates beautifully. Beautiful Design & Functionality Amazing app design with easy-to-use navigation that field sales reps will love. Dark Mode The app's interface is available in a sleek dark mode, only for compatible iOS devices. Responsive App Design Download the OIS Pro app on your iPhone or iPad device and you are ready to start selling. For support with the OIS Pro app visit: https://ordersinseconds.com/contact-us/

Screenshots

SOS Inventory Software3 screens
OIS Pro4 screens

Verdict

The call

The clearest difference is rating: SOS Inventory Software at 4.2 against OIS Pro's 3.8. SOS Inventory Software also leads on ratings volume (82 vs 12). OIS Pro's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SOS Inventory Software holds the better App Store score, 4.2 against 3.8. That said, the two scores are not equally well evidenced: SOS Inventory Software has 82 ratings behind it against 12, so its average is the more settled of the two.

UpkeepUpdate frequency

SOS Inventory Software ships an update every 6 weeks, OIS Pro monthly. The most recent releases landed on September 2, 2026 and July 21, 2026 respectively.

Scorecard3 real differences · 7 level
SOS Inventory Software versus OIS Pro: the parameters behind the verdict, then further details
ParameterSOS Inventory SoftwareOIS Pro
PriceFreeFree
Rating4.2 (82 ratings) — better3.8 (12 ratings)
Positive reviews22.2% of reviews—
Number of ratings82 — better12
Update frequencyEvery 6 weeksMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size17 MB165 MB
Age rating4+4+
DeveloperSaddle Oak SoftwareOrders In Seconds, Inc.

Customer experience

SOS Inventory Software

All ratings82 ratings
Positive79.3%
Neutral3.7%
Negative17.1%
Written reviews9 reviews
Positive22.2%
Neutral11.1%
Negative66.7%

OIS Pro

All ratings12 ratings
Positive66.7%
Neutral8.3%
Negative25.0%

In-app purchases

None

SOS Inventory Software

No in-app purchases

None

OIS Pro

No in-app purchases

Questions

Is SOS Inventory Software free?
SOS Inventory Software is free to download, with no in-app purchases.
Is OIS Pro free?
OIS Pro is free to download, with no in-app purchases.
Which has better reviews, SOS Inventory Software or OIS Pro?
SOS Inventory Software is rated higher. SOS Inventory Software averages 4.2 out of 5 from 82 ratings, while OIS Pro averages 3.8 from 12 ratings.
Do SOS Inventory Software or OIS Pro have ads?
Neither SOS Inventory Software nor OIS Pro shows ads.
Which is updated more often, SOS Inventory Software or OIS Pro?
SOS Inventory Software ships an update every 6 weeks, and OIS Pro monthly. Most recently, SOS Inventory Software was updated on September 2, 2026 and OIS Pro on July 21, 2026.

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