# Odin Inventory vs ATG EIM

The clearest difference is update cadence: Odin Inventory at every 2 months against ATG EIM's every 4 months. ATG EIM's advantage is iOS requirement (15.6 vs 17.6). 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.

Odin Inventory ships an update every 2 months, ATG EIM every 4 months. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Odin Inventory | ATG EIM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 6 MB | 3 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Odin, Inc.](https://appshunter.io/developer/505520683) | [Advanced Technologies Group](https://appshunter.io/developer/732016893) |

## What reviewers say

### Odin Inventory

[App page](https://appshunter.io/ios/app/odin-inventory/id603155090)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ATG EIM

[App page](https://appshunter.io/ios/app/atg-eim/id1608533971)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Odin Inventory free?

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

### Is ATG EIM free?

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

### Do Odin Inventory or ATG EIM have ads?

Neither Odin Inventory nor ATG EIM shows ads.

### Which is updated more often, Odin Inventory or ATG EIM?

Odin Inventory ships an update every 2 months, and ATG EIM every 4 months. Most recently, Odin Inventory was updated on September 17, 2026 and ATG EIM on September 21, 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.*