# MHB OCMS vs PUMM

The clearest difference is update cadence: PUMM at monthly against MHB OCMS's every 7 months. MHB OCMS's advantage is iOS requirement (12.0 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.

MHB OCMS ships an update every 7 months, PUMM monthly. The most recent releases landed on March 2, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | MHB OCMS | PUMM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Size | 21 MB | 34 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Malaysia Marine and Heavy Engineering Sdn Bhd](https://appshunter.io/developer/1473072650) | [PUMM](https://appshunter.io/developer/1530331119) |

## What reviewers say

### MHB OCMS

[App page](https://appshunter.io/ios/app/mhb-ocms/id1482620074)

**Features:** macOS Compatibility

**In-app purchases:** none


### PUMM

[App page](https://appshunter.io/ios/app/pumm/id1530331117)

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

**In-app purchases:** none


## Frequently asked questions

### Is MHB OCMS free?

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

### Is PUMM free?

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

### Do MHB OCMS or PUMM have ads?

Neither MHB OCMS nor PUMM shows ads.

### Which is updated more often, MHB OCMS or PUMM?

MHB OCMS ships an update every 7 months, and PUMM monthly. Most recently, MHB OCMS was updated on March 2, 2026 and PUMM on September 19, 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.*