# Tana Inventory vs PH System

The clearest difference is update cadence: Tana Inventory at every 2 days against PH System's every 15 months. PH System's advantage is iOS requirement (13 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.

Tana Inventory ships an update every 2 days, PH System every 15 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Tana Inventory | PH System |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 15 months |
| Monetization | Free | — |
| Size | 45 MB | 25 MB |
| Requires iOS | 17.0 | **13** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Instoll Inc.](https://appshunter.io/developer/1225033758) | [barnet Inc.](https://appshunter.io/developer/1203142034) |

## What reviewers say

### Tana Inventory

[App page](https://appshunter.io/ios/app/tana-inventory/id1400125026)

Manage your inventory with ease using a mobile app designed for collaborative tracking. Scan barcodes, print QR codes, and access your data from anywhere, eliminating the need for complex spreadsheets.

**Highlights:** Collaborative inventory tracking, Mobile-first access, Barcode scanning, QR code generation, Cloud data backup, Secure connections

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### PH System

[App page](https://appshunter.io/ios/app/ph-system/id1438705034)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tana Inventory free?

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

### Is PH System free?

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

### Do Tana Inventory or PH System have ads?

Neither Tana Inventory nor PH System shows ads.

### Which is updated more often, Tana Inventory or PH System?

Tana Inventory ships an update every 2 days, and PH System every 15 months. Most recently, Tana Inventory was updated on October 24, 2026 and PH System on October 25, 2026.

---

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