# oilCHECK vs WXStar

The clearest difference is update cadence: WXStar at every 6 weeks against oilCHECK's every 39 months. oilCHECK'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.

oilCHECK ships an update every 39 months, WXStar every 6 weeks. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | oilCHECK | WXStar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 6 weeks** |
| Size | 8 MB | 1 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [airWORK aviation media UG](https://appshunter.io/developer/1055282750) | [Sebastian Golze](https://appshunter.io/developer/692813832) |

## What reviewers say

### oilCHECK

[App page](https://appshunter.io/ios/app/oilcheck/id1453989851)

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

**In-app purchases:** none


### WXStar

[App page](https://appshunter.io/ios/app/wxstar/id6770932813)

**In-app purchases:** none


## Frequently asked questions

### Is oilCHECK free?

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

### Is WXStar free?

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

### Do oilCHECK or WXStar have ads?

Neither oilCHECK nor WXStar shows ads.

### Which is updated more often, oilCHECK or WXStar?

oilCHECK ships an update every 39 months, and WXStar every 6 weeks. Most recently, oilCHECK was updated on October 7, 2026 and WXStar on October 12, 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.*