# CHEMOU vs DB Connex

The clearest difference is update cadence: DB Connex at every 10 days against CHEMOU's every 3 months. CHEMOU'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.

CHEMOU ships an update every 3 months, DB Connex every 10 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | CHEMOU | DB Connex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 40 MB | 33 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chalit Chathirat](https://appshunter.io/developer/910858647) | [Kernel Safety and Protection Company Limited](https://appshunter.io/developer/1453268143) |

## What reviewers say

### CHEMOU

[App page](https://appshunter.io/ios/app/chemou/id1094568253)

**Features:** macOS Compatibility

**In-app purchases:** none


### DB Connex

[App page](https://appshunter.io/ios/app/db-connex/id1519578934)

**In-app purchases:** none


## Frequently asked questions

### Is CHEMOU free?

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

### Is DB Connex free?

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

### Do CHEMOU or DB Connex have ads?

Neither CHEMOU nor DB Connex shows ads.

### Which is updated more often, CHEMOU or DB Connex?

CHEMOU ships an update every 3 months, and DB Connex every 10 days. Most recently, CHEMOU was updated on October 26, 2026 and DB Connex on October 27, 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.*