# Onex ESS vs ESS UAT

The clearest difference is update cadence: ESS UAT at every 9 days against Onex ESS's every 3 months. ESS UAT also leads on iOS requirement (9.0 vs 11.0). On price, review sentiment, 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.

Onex ESS ships an update every 3 months, ESS UAT every 9 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Onex ESS | ESS UAT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 82 MB | 21 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Suraj Rameshwar Dubey](https://appshunter.io/developer/1037576555) | [HGS International Private Limited](https://appshunter.io/developer/1149251141) |

## What reviewers say

### Onex ESS

[App page](https://appshunter.io/ios/app/onex-ess/id1308166278)

Access your monthly and yearly pay slips, make investment declarations, and view your tax sheet. This app allows employees to manage and track personal payroll-related activities.

**Highlights:** View monthly pay slips, View yearly pay slips, Make investment declarations, View tax sheets, Manage payroll activities

**Features:** macOS Compatibility

**In-app purchases:** none


### ESS UAT

[App page](https://appshunter.io/ios/app/ess-uat/id1327223809)

Access various report documents and update business-relevant details on the go. This easy-to-use application is designed for clients to manage their information conveniently from their mobile devices.

**Highlights:** Access report documents, Update business details, On-the-go management, Client-focused design, Easy to use interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Onex ESS free?

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

### Is ESS UAT free?

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

### Do Onex ESS or ESS UAT have ads?

Neither Onex ESS nor ESS UAT shows ads.

### Which is updated more often, Onex ESS or ESS UAT?

Onex ESS ships an update every 3 months, and ESS UAT every 9 days. Most recently, Onex ESS was updated on October 2, 2026 and ESS UAT on October 7, 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.*