# Meridian vs Co

The clearest difference is in-app purchases: Co at none against Meridian's 2. Meridian's advantage is update cadence (every 2 days vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.

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

Meridian ships an update every 2 days, Co every 4 days. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Meridian | Co |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 9 MB | 1 MB |
| Requires iOS | **17.6** | 18 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tony Onodi](https://appshunter.io/developer/1450754267) | [Venture 2 RDC Limited](https://appshunter.io/developer/1792847039) |

## What reviewers say

### Meridian

[App page](https://appshunter.io/ios/app/meridian-time-zone-clock/id6738972311)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Meridian Pro | $2.99 | per 7 days |
| Meridian Pro | $14.99 | per year |


### Co

[App page](https://appshunter.io/ios/app/co-pilot/id6745144826)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Meridian free?

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

### Is Co free?

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

### Do Meridian or Co have ads?

Neither Meridian nor Co shows ads.

### Which is updated more often, Meridian or Co?

Meridian ships an update every 2 days, and Co every 4 days. Most recently, Meridian was updated on October 17, 2026 and Co on October 10, 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.*