# Piper Inventory vs HammerHead OnSite

The clearest difference is in-app purchases: HammerHead OnSite at none against Piper Inventory's 2. HammerHead OnSite also leads on update cadence (every 2 weeks vs every 6 months) and iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

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

Piper Inventory ships an update every 6 months, HammerHead OnSite every 2 weeks. Both last shipped on October 3, 2026.

## The numbers

| Metric | Piper Inventory | HammerHead OnSite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/piper-inventory/id6469746367/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Subscription | — |
| Size | 17 MB | 33 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piper Diagnostics LLC](https://appshunter.io/developer/1712591819) | [HammerHead Trenchless Equipment](https://appshunter.io/developer/606955225) |

## 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 |


### HammerHead OnSite

[App page](https://appshunter.io/ios/app/hammerhead-onsite/id6504952035)

**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 HammerHead OnSite free?

HammerHead OnSite is free to download, with no in-app purchases.

### Do Piper Inventory or HammerHead OnSite have ads?

Neither Piper Inventory nor HammerHead OnSite shows ads.

### Which is updated more often, Piper Inventory or HammerHead OnSite?

Piper Inventory ships an update every 6 months, and HammerHead OnSite every 2 weeks. Most recently, Piper Inventory was updated on October 3, 2026 and HammerHead OnSite on October 3, 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.*