# ESS Online vs TSD POS

The clearest difference is update cadence: TSD POS at every 3 days against ESS Online's monthly. ESS Online's advantage is 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.

ESS Online ships an update monthly, TSD POS every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ESS Online | TSD POS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 61 MB | 67 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Vanhak Sreng](https://appshunter.io/developer/1626768007) | [TECHNOLOGY SOLUTION DEVELOPMENT TSD CO., LTD.](https://appshunter.io/developer/1547954509) |

## What reviewers say

### ESS Online

[App page](https://appshunter.io/ios/app/ess-online/id6748372603)

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

**In-app purchases:** none


### TSD POS

[App page](https://appshunter.io/ios/app/tsd-pos/id6751882013)

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

**In-app purchases:** none


## Frequently asked questions

### Is ESS Online free?

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

### Is TSD POS free?

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

### Do ESS Online or TSD POS have ads?

Neither ESS Online nor TSD POS shows ads.

### Which is updated more often, ESS Online or TSD POS?

ESS Online ships an update monthly, and TSD POS every 3 days. Most recently, ESS Online was updated on October 25, 2026 and TSD POS on October 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.*