# K vs IDOLYN

The clearest difference is in-app purchases: K at none against IDOLYN's 3. IDOLYN's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. IDOLYN sells 3 in-app purchases, starting at $3.99 per month. K asks for nothing beyond the download.

## The numbers

| Metric | K | IDOLYN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Size | 15 MB | 42 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [han lee](https://appshunter.io/developer/1858596096) | [Thomas Brandt](https://appshunter.io/developer/1872797035) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-pulse/id6757781752)

**Features:** macOS Compatibility

**In-app purchases:** none


### IDOLYN

[App page](https://appshunter.io/ios/app/idolyn/id6758410930)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| IDOLYN Premium Yearly | $24.99 | per year |
| OneTime Premium | $69.99 | one-time |


## Frequently asked questions

### Is K free?

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

### Is IDOLYN free?

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

### Do K or IDOLYN have ads?

K shows ads; IDOLYN does not.

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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.*