# Odin IoT vs Post Box Express

The clearest difference is iOS requirement: Odin IoT at 12.0 against Post Box Express's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Odin IoT ships an update every 5 months, Post Box Express every 3 months. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Odin IoT | Post Box Express |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 74 MB | 109 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jendamark Automation (PTY) LTD](https://appshunter.io/developer/1537124704) | [Folloc Technologies Private Limited](https://appshunter.io/developer/1592817145) |

## What reviewers say

### Odin IoT

[App page](https://appshunter.io/ios/app/odin-iot/id6446244884)

**Features:** macOS Compatibility

**In-app purchases:** none


### Post Box Express

[App page](https://appshunter.io/ios/app/post-box-express/id6479634429)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Odin IoT free?

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

### Is Post Box Express free?

Post Box Express is free to download, with no in-app purchases.

### Do Odin IoT or Post Box Express have ads?

Neither Odin IoT nor Post Box Express shows ads.

### Which is updated more often, Odin IoT or Post Box Express?

Odin IoT ships an update every 5 months, and Post Box Express every 3 months. Most recently, Odin IoT was updated on October 10, 2026 and Post Box Express on October 4, 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.*