# ID vs ESS Pro.

The clearest difference is update cadence: ESS Pro. at weekly against ID's every 5 months. ESS Pro. also leads on iOS requirement (12.0 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.

ID ships an update every 5 months, ESS Pro. weekly. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ID | ESS Pro. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Size | 29 MB | 49 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [INFORMATION DYNAMICS INDIA PRIVATE LIMITED](https://appshunter.io/developer/892746205) | [Vanhak Sreng](https://appshunter.io/developer/1626768007) |

## What reviewers say

### ID

[App page](https://appshunter.io/ios/app/id-ess/id1662095868)

**Features:** macOS Compatibility

**In-app purchases:** none


### ESS Pro.

[App page](https://appshunter.io/ios/app/ess-pro/id6477125942)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ID free?

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

### Is ESS Pro. free?

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

### Do ID or ESS Pro. have ads?

Neither ID nor ESS Pro. shows ads.

### Which is updated more often, ID or ESS Pro.?

ID ships an update every 5 months, and ESS Pro. weekly. Most recently, ID was updated on September 14, 2026 and ESS Pro. on September 9, 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.*