# ESS UAT vs SmartMuster Plus

The clearest difference is update cadence: ESS UAT at every 9 days against SmartMuster Plus's every 3 weeks. ESS UAT also leads on iOS requirement (9.0 vs 14.0). 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.

ESS UAT ships an update every 9 days, SmartMuster Plus every 3 weeks. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ESS UAT | SmartMuster Plus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 21 MB | 60 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [HGS International Private Limited](https://appshunter.io/developer/1149251141) | [WYSE Biometrics Systems Private Limited](https://appshunter.io/developer/1124766417) |

## What reviewers say

### 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


### SmartMuster Plus

[App page](https://appshunter.io/ios/app/smartmuster-plus/id6447623321)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ESS UAT free?

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

### Is SmartMuster Plus free?

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

### Do ESS UAT or SmartMuster Plus have ads?

Neither ESS UAT nor SmartMuster Plus shows ads.

### Which is updated more often, ESS UAT or SmartMuster Plus?

ESS UAT ships an update every 9 days, and SmartMuster Plus every 3 weeks. Most recently, ESS UAT was updated on September 21, 2026 and SmartMuster Plus on September 24, 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.*