# Opak Erp vs HarmonyERP Cloud

The clearest difference is update cadence: HarmonyERP Cloud at every 2 weeks against Opak Erp's every 6 weeks. Opak Erp's advantage is iOS requirement (12.0 vs 16.0). 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.

Opak Erp ships an update every 6 weeks, HarmonyERP Cloud every 2 weeks. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Opak Erp | HarmonyERP Cloud |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 45 MB | 43 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Webformans](https://appshunter.io/developer/1490078390) | [Kurumsal Yazılım A.Ş.](https://appshunter.io/developer/1744916527) |

## What reviewers say

### Opak Erp

[App page](https://appshunter.io/ios/app/opak-erp/id6473782802)

**Features:** macOS Compatibility

**In-app purchases:** none


### HarmonyERP Cloud

[App page](https://appshunter.io/ios/app/harmonyerp-cloud/id6502398430)

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

**In-app purchases:** none


## Frequently asked questions

### Is Opak Erp free?

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

### Is HarmonyERP Cloud free?

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

### Do Opak Erp or HarmonyERP Cloud have ads?

Neither Opak Erp nor HarmonyERP Cloud shows ads.

### Which is updated more often, Opak Erp or HarmonyERP Cloud?

Opak Erp ships an update every 6 weeks, and HarmonyERP Cloud every 2 weeks. Most recently, Opak Erp was updated on September 12, 2026 and HarmonyERP Cloud on September 15, 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.*