# Kunnonkoutsi vs Silkki

The clearest difference is in-app purchases: Silkki at none against Kunnonkoutsi's 1. Silkki also leads on update cadence (every 6 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kunnonkoutsi sells 1 one-off in-app purchase. Silkki asks for nothing beyond the download.

Kunnonkoutsi ships an update every 3 months, Silkki every 6 weeks. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Kunnonkoutsi | Silkki |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 39 MB | 40 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Trainero.com](https://appshunter.io/developer/1437140834) | [Silkki Laser Clinic Oy](https://appshunter.io/developer/1814055615) |

## What reviewers say

### Kunnonkoutsi

[App page](https://appshunter.io/ios/app/kunnonkoutsi/id1630647035)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Online Coaching Plan | $99.99 | one-time |


### Silkki

[App page](https://appshunter.io/ios/app/silkki/id6739955959)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kunnonkoutsi free?

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

### Is Silkki free?

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

### Do Kunnonkoutsi or Silkki have ads?

Neither Kunnonkoutsi nor Silkki shows ads.

### Which is updated more often, Kunnonkoutsi or Silkki?

Kunnonkoutsi ships an update every 3 months, and Silkki every 6 weeks. Most recently, Kunnonkoutsi was updated on October 25, 2026 and Silkki on October 15, 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.*