# Clayfolio vs KilnTrack

The clearest difference is update cadence: KilnTrack at every 2 days against Clayfolio's every 4 months. KilnTrack also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Clayfolio ships an update every 4 months, KilnTrack every 2 days. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Clayfolio | KilnTrack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 70 MB | 25 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maria Posa](https://appshunter.io/developer/1787612471) | [Koki Naniwa](https://appshunter.io/developer/1457416956) |

## What reviewers say

### Clayfolio

[App page](https://appshunter.io/ios/app/clayfolio/id6746972425)

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

**In-app purchases:** none


### KilnTrack

[App page](https://appshunter.io/ios/app/kilntrack/id6758076009)

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

**In-app purchases:** none


## Frequently asked questions

### Is Clayfolio free?

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

### Is KilnTrack free?

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

### Do Clayfolio or KilnTrack have ads?

Neither Clayfolio nor KilnTrack shows ads.

### Which is updated more often, Clayfolio or KilnTrack?

Clayfolio ships an update every 4 months, and KilnTrack every 2 days. Most recently, Clayfolio was updated on October 2, 2026 and KilnTrack on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*