# C vs Dotzza

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

Both are free to download. Dotzza sells 4 in-app purchases, starting at $2.99 per month. C asks for nothing beyond the download.

C ships an update every 4 months, Dotzza fortnightly. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | C | Dotzza |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 33 MB | 92 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CASIO COMPUTER CO., LTD.](https://appshunter.io/developer/456569836) | [Dotzza](https://appshunter.io/developer/1871725828) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-mirroring/id6464287342)

**In-app purchases:** none


### Dotzza

[App page](https://appshunter.io/ios/app/dotzza/id6758245020)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dotzza Lite Monthly | $2.99 | per month |
| Dotzza Pro – Monthly | $2.99 | per month |
| Dotzza Lite – Yearly | $19.99 | per year |
| Dotzza Pro – Yearly | $29.99 | per year |


## Frequently asked questions

### Is C free?

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

### Is Dotzza free?

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

### Do C or Dotzza have ads?

Neither C nor Dotzza shows ads.

### Which is updated more often, C or Dotzza?

C ships an update every 4 months, and Dotzza fortnightly. Most recently, C was updated on September 27, 2026 and Dotzza on September 29, 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.*