# AccFlex ESS vs 4LinkERP App

The clearest difference is update cadence: AccFlex ESS at every 3 weeks against 4LinkERP App's every 3 months. AccFlex ESS also leads on iOS requirement (13.0 vs 15.6). 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.

AccFlex ESS ships an update every 3 weeks, 4LinkERP App every 3 months. Both last shipped on September 17, 2026.

## The numbers

| Metric | AccFlex ESS | 4LinkERP App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 62 MB | 45 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hadaf Solutions](https://appshunter.io/developer/1263923912) | [emad abotaleb](https://appshunter.io/developer/1713076262) |

## What reviewers say

### AccFlex ESS

[App page](https://appshunter.io/ios/app/accflex-ess/id1603235720)

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

**In-app purchases:** none


### 4LinkERP App

[App page](https://appshunter.io/ios/app/4linkerp-app/id6470289625)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AccFlex ESS free?

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

### Is 4LinkERP App free?

4LinkERP App is free to download, with no in-app purchases.

### Do AccFlex ESS or 4LinkERP App have ads?

Neither AccFlex ESS nor 4LinkERP App shows ads.

### Which is updated more often, AccFlex ESS or 4LinkERP App?

AccFlex ESS ships an update every 3 weeks, and 4LinkERP App every 3 months. Most recently, AccFlex ESS was updated on September 17, 2026 and 4LinkERP App on September 17, 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.*