# HMS Systems vs Odoo MN

The clearest difference is update cadence: HMS Systems at every 9 days against Odoo MN's every 6 weeks. Odoo MN's advantage is iOS requirement (13.4 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.

HMS Systems ships an update every 9 days, Odoo MN every 6 weeks. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | HMS Systems | Odoo MN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Size | 46 MB | 30 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Khubilai Ikhbileg](https://appshunter.io/developer/1614186801) | [Boldbaatar Dagvadorj](https://appshunter.io/developer/1102279614) |

## What reviewers say

### HMS Systems

[App page](https://appshunter.io/ios/app/hms-systems/id1636273985)

**Features:** macOS Compatibility

**In-app purchases:** none


### Odoo MN

[App page](https://appshunter.io/ios/app/odoo-mn/id6449431556)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HMS Systems free?

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

### Is Odoo MN free?

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

### Do HMS Systems or Odoo MN have ads?

Neither HMS Systems nor Odoo MN shows ads.

### Which is updated more often, HMS Systems or Odoo MN?

HMS Systems ships an update every 9 days, and Odoo MN every 6 weeks. Most recently, HMS Systems was updated on October 7, 2026 and Odoo MN on October 12, 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.*