# COmeter vs OxyWidget

The clearest difference is in-app purchases: COmeter at none against OxyWidget's 2. COmeter also leads on ads (none vs shown). OxyWidget's advantage is update cadence (fortnightly vs every 14 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. OxyWidget sells 2 in-app purchases, starting at $2.99 per 7 days. COmeter asks for nothing beyond the download.

COmeter ships an update every 14 months, OxyWidget fortnightly. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | COmeter | OxyWidget |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Fortnightly** |
| Size | 109 MB | 50 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [KAKHA GIORGASHVILI](https://appshunter.io/developer/1501353984) | [PRIORITY APPS LLC](https://appshunter.io/developer/1823186084) |

## What reviewers say

### COmeter

[App page](https://appshunter.io/ios/app/cometer/id6670443641)

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

**In-app purchases:** none


### OxyWidget

[App page](https://appshunter.io/ios/app/oxywidget-is-your-air-safe/id6748817542)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Annual | $24.99 | per year |


## Frequently asked questions

### Is COmeter free?

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

### Is OxyWidget free?

OxyWidget is free to download, with in-app purchases available.

### Do COmeter or OxyWidget have ads?

OxyWidget shows ads; COmeter does not.

### Which is updated more often, COmeter or OxyWidget?

COmeter ships an update every 14 months, and OxyWidget fortnightly. Most recently, COmeter was updated on October 8, 2026 and OxyWidget on October 5, 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.*