# PSA vs Dolphin Mobile Inventory

The clearest difference is update cadence: PSA at every 3 months against Dolphin Mobile Inventory's every 18 months. PSA also leads on iOS requirement (13.0 vs 15.1). 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.

PSA ships an update every 3 months, Dolphin Mobile Inventory every 18 months. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | PSA | Dolphin Mobile Inventory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 18 months |
| Size | 20 MB | 36 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Certado GmbH](https://appshunter.io/developer/1588853102) | [ticket. international software Trading](https://appshunter.io/developer/1037252439) |

## What reviewers say

### PSA

[App page](https://appshunter.io/ios/app/psa-audit/id1664063797)

**In-app purchases:** none


### Dolphin Mobile Inventory

[App page](https://appshunter.io/ios/app/dolphin-mobile-inventory/id6502057621)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PSA free?

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

### Is Dolphin Mobile Inventory free?

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

### Do PSA or Dolphin Mobile Inventory have ads?

Neither PSA nor Dolphin Mobile Inventory shows ads.

### Which is updated more often, PSA or Dolphin Mobile Inventory?

PSA ships an update every 3 months, and Dolphin Mobile Inventory every 18 months. Most recently, PSA was updated on September 17, 2026 and Dolphin Mobile Inventory on September 16, 2026.

---

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