# DataWater vs QRCarSystem

The clearest difference is update cadence: QRCarSystem at daily against DataWater's every 3 months. QRCarSystem also leads on iOS requirement (11.0 vs 13.0). 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.

DataWater ships an update every 3 months, QRCarSystem daily. The most recent releases landed on September 27, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | DataWater | QRCarSystem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Size | 28 MB | 63 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Data Monitoring](https://appshunter.io/developer/1361669407) | [La Charca Software SL](https://appshunter.io/developer/990568651) |

## What reviewers say

### DataWater

[App page](https://appshunter.io/ios/app/datawater/id1361669408)

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

**In-app purchases:** none


### QRCarSystem

[App page](https://appshunter.io/ios/app/qrcarsystem/id6447074745)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DataWater free?

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

### Is QRCarSystem free?

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

### Do DataWater or QRCarSystem have ads?

Neither DataWater nor QRCarSystem shows ads.

### Which is updated more often, DataWater or QRCarSystem?

DataWater ships an update every 3 months, and QRCarSystem daily. Most recently, DataWater was updated on September 27, 2026 and QRCarSystem on September 30, 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.*