# inFlow Inventory vs NPSA Events

The clearest difference is update cadence: inFlow Inventory at weekly against NPSA Events's every 3 months. inFlow Inventory also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

inFlow Inventory ships an update weekly, NPSA Events every 3 months. The most recent releases landed on September 26, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | inFlow Inventory | NPSA Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (128 ratings)](https://appshunter.io/ios/app/inflow-inventory/id1397589892/reviews)** | — |
| Number of ratings | **128** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | — |
| Size | 73 MB | 65 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Archon Systems Inc.](https://appshunter.io/developer/1397589891) | [National Portable Storage Asso](https://appshunter.io/developer/1617077710) |

## 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


### NPSA Events

[App page](https://appshunter.io/ios/app/npsa-events/id1617077708)

**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 NPSA Events free?

NPSA Events is free to download, with no in-app purchases.

### Do inFlow Inventory or NPSA Events have ads?

Neither inFlow Inventory nor NPSA Events shows ads.

### Which is updated more often, inFlow Inventory or NPSA Events?

inFlow Inventory ships an update weekly, and NPSA Events every 3 months. Most recently, inFlow Inventory was updated on September 26, 2026 and NPSA Events on September 16, 2026.

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