# EcO2 Treatment vs CLIENTA

The clearest difference is update cadence: CLIENTA at every 10 days against EcO2 Treatment's every 2 months. EcO2 Treatment's advantage is iOS requirement (12.0 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.

EcO2 Treatment ships an update every 2 months, CLIENTA every 10 days. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | EcO2 Treatment | CLIENTA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 41 MB | 29 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PETERSON - ECO2 VIETNAM COMPANY LIMITED](https://appshunter.io/developer/1651178071) | [CONTROL UNION INSPECTIONS (PRIVATE) LIMITED](https://appshunter.io/developer/1877043333) |

## What reviewers say

### EcO2 Treatment

[App page](https://appshunter.io/ios/app/eco2-treatment/id6443981795)

**Features:** macOS Compatibility

**In-app purchases:** none


### CLIENTA

[App page](https://appshunter.io/ios/app/clienta/id6476473572)

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

**In-app purchases:** none


## Frequently asked questions

### Is EcO2 Treatment free?

EcO2 Treatment is free to download, with no in-app purchases.

### Is CLIENTA free?

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

### Do EcO2 Treatment or CLIENTA have ads?

Neither EcO2 Treatment nor CLIENTA shows ads.

### Which is updated more often, EcO2 Treatment or CLIENTA?

EcO2 Treatment ships an update every 2 months, and CLIENTA every 10 days. Most recently, EcO2 Treatment was updated on September 15, 2026 and CLIENTA on September 11, 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.*