# OxyRos vs Ronmark Metering

The clearest difference is update cadence: Ronmark Metering at every 8 days against OxyRos's every 18 months. 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.

OxyRos ships an update every 18 months, Ronmark Metering every 8 days. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | OxyRos | Ronmark Metering |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 8 days** |
| Size | 49 MB | 95 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Joao Chadinha](https://appshunter.io/developer/1277183314) | [Octrotus Pty Ltd](https://appshunter.io/developer/1706999057) |

## What reviewers say

### OxyRos

[App page](https://appshunter.io/ios/app/oxyros/id1217081142)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ronmark Metering

[App page](https://appshunter.io/ios/app/ronmark-metering/id6456794486)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OxyRos free?

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

### Is Ronmark Metering free?

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

### Do OxyRos or Ronmark Metering have ads?

Neither OxyRos nor Ronmark Metering shows ads.

### Which is updated more often, OxyRos or Ronmark Metering?

OxyRos ships an update every 18 months, and Ronmark Metering every 8 days. Most recently, OxyRos was updated on October 5, 2026 and Ronmark Metering 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.*