# inFlow Inventory vs SOS Inventory Software

inFlow Inventory and SOS Inventory Software both sit at 4.1 stars, but that hides the real split: 50% of inFlow Inventory's written reviews are positive against 22% of SOS Inventory Software's. inFlow Inventory also leads on update cadence (weekly vs monthly). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.1 for inFlow Inventory against 4.2 for SOS Inventory Software. Both are backed by a comparable volume of ratings — 129 and 82 respectively. Written reviews are what separate them: 50% of inFlow Inventory's written reviews are positive against 22% of SOS Inventory Software's.

inFlow Inventory ships an update weekly, SOS Inventory Software monthly. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | inFlow Inventory | SOS Inventory Software |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (129 ratings)](https://appshunter.io/ios/app/inflow-inventory/id1397589892/reviews) | **[4.2 (82 ratings)](https://appshunter.io/ios/app/sos-inventory-software/id1399703758/reviews)** |
| Number of ratings | **129** | 82 |
| Positive reviews | **50.0% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | Free |
| Size | 73 MB | 17 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Archon Systems Inc.](https://appshunter.io/developer/1397589891) | [Saddle Oak Software](https://appshunter.io/developer/1399703757) |

## What reviewers say

### inFlow Inventory

[App page](https://appshunter.io/ios/app/inflow-inventory/id1397589892)

Manage inventory, orders, and sales on the go. Use your phone as a barcode scanner, create invoices, and track stock levels from anywhere. Streamline team tasks and access product details easily.

**Highlights:** Create and manage orders, Use phone as barcode scanner, Assign orders to team members, Generate product catalog with images, Create and email invoices, Transfer and adjust stock, Manage product, vendor, and customer details

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SOS Inventory Software

[App page](https://appshunter.io/ios/app/sos-inventory-software/id1399703758)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is inFlow Inventory free?

inFlow Inventory is free to download, with no in-app purchases.

### Is SOS Inventory Software free?

SOS Inventory Software is free to download, with no in-app purchases.

### Which has better reviews, inFlow Inventory or SOS Inventory Software?

SOS Inventory Software is rated higher. inFlow Inventory averages 4.1 out of 5 from 129 ratings, while SOS Inventory Software averages 4.2 from 82 ratings.

### Do inFlow Inventory or SOS Inventory Software have ads?

Neither inFlow Inventory nor SOS Inventory Software shows ads.

### Which is updated more often, inFlow Inventory or SOS Inventory Software?

inFlow Inventory ships an update weekly, and SOS Inventory Software monthly. Most recently, inFlow Inventory was updated on October 8, 2026 and SOS Inventory Software on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*