# Piper Inventory vs PD BlackPearl

The clearest difference is in-app purchases: PD BlackPearl at none against Piper Inventory's 2. Piper Inventory's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Piper Inventory sells 2 in-app purchases, starting at $22.00 per month. PD BlackPearl asks for nothing beyond the download.

Piper Inventory ships an update every 6 months, PD BlackPearl every 12 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Piper Inventory | PD BlackPearl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/piper-inventory/id6469746367/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 12 months |
| Monetization | Subscription | — |
| Size | 17 MB | 3 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Piper Diagnostics LLC](https://appshunter.io/developer/1712591819) | [PD WATER SYSTEMS LLC](https://appshunter.io/developer/1506605088) |

## What reviewers say

### Piper Inventory

[App page](https://appshunter.io/ios/app/piper-inventory/id6469746367)

Manage your warehouse or mobile workstation inventory on the go. Easily add items, set minimum quantities, and use a Bluetooth barcode scanner to track stock. Syncs between devices for collaboration and generates restock lists.

**Highlights:** On-the-go inventory management, Bluetooth barcode scanner support, Set minimum stock quantities, Restock list generation, Inventory history tracking, Multi-location account management, Spreadsheet upload for setup

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $22.00 | per month |
| Annual | $199.00 | per year |


### PD BlackPearl

[App page](https://appshunter.io/ios/app/pd-blackpearl/id6747769400)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Piper Inventory free?

Piper Inventory is free to download, with in-app purchases available.

### Is PD BlackPearl free?

PD BlackPearl is free to download, with no in-app purchases.

### Do Piper Inventory or PD BlackPearl have ads?

Neither Piper Inventory nor PD BlackPearl shows ads.

### Which is updated more often, Piper Inventory or PD BlackPearl?

Piper Inventory ships an update every 6 months, and PD BlackPearl every 12 months. Most recently, Piper Inventory was updated on October 24, 2026 and PD BlackPearl on October 25, 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.*