# Opia vs ChikaD

The clearest difference is in-app purchases: Opia at none against ChikaD's 2. Opia also leads on iOS requirement (12.0 vs 17.4). ChikaD's advantage is update cadence (every 2 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. ChikaD sells 2 in-app purchases, starting at $5.99 per month. Opia asks for nothing beyond the download.

Opia ships an update every 5 months, ChikaD every 2 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Opia | ChikaD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Size | 17 MB | 11 MB |
| Requires iOS | **12.0** | 17.4 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Opia App Inc.](https://appshunter.io/developer/1575912736) | [ChikaD Inc.](https://appshunter.io/developer/1892511266) |

## What reviewers say

### Opia

[App page](https://appshunter.io/ios/app/opia/id1575912734)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChikaD

[App page](https://appshunter.io/ios/app/chikad/id6762023447)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Max | $5.99 | per month |
| ChikaD Pro | $5.99 | per month |


## Frequently asked questions

### Is Opia free?

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

### Is ChikaD free?

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

### Do Opia or ChikaD have ads?

Neither Opia nor ChikaD shows ads.

### Which is updated more often, Opia or ChikaD?

Opia ships an update every 5 months, and ChikaD every 2 weeks. Most recently, Opia was updated on October 27, 2026 and ChikaD on October 24, 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.*