# Odin Inventory vs E

The clearest difference is update cadence: E at every 2 weeks against Odin Inventory's every 2 months. E also leads on iOS requirement (15.0 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, E every 2 weeks. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Odin Inventory | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 6 MB | 67 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Odin, Inc.](https://appshunter.io/developer/505520683) | [Wit By Bit Private Limited](https://appshunter.io/developer/1621829054) |

## 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


### E

[App page](https://appshunter.io/ios/app/e-register/id1634179305)

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

**In-app purchases:** none


## Frequently asked questions

### Is Odin Inventory free?

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

### Is E free?

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

### Do Odin Inventory or E have ads?

Neither Odin Inventory nor E shows ads.

### Which is updated more often, Odin Inventory or E?

Odin Inventory ships an update every 2 months, and E every 2 weeks. Most recently, Odin Inventory was updated on September 17, 2026 and E 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.*