# My Filaments vs KatMon

The clearest difference is in-app purchases: KatMon at none against My Filaments's 1. KatMon also leads on ads (none vs shown) and iOS requirement (15.0 vs 18.6). On price, update cadence and device support there is nothing between them.

Both are free to download. My Filaments sells 1 one-off in-app purchase. KatMon asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | My Filaments | KatMon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | Every 2 days |
| Size | 9 MB | 33 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FABRIZIO CALGARO](https://appshunter.io/developer/1871767509) | [Olcay OREN](https://appshunter.io/developer/1894051255) |

## What reviewers say

### My Filaments

[App page](https://appshunter.io/ios/app/my-filaments/id6758254736)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS | $5.99 | one-time |


### KatMon

[App page](https://appshunter.io/ios/app/katmon/id6762404551)

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

**In-app purchases:** none


## Frequently asked questions

### Is My Filaments free?

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

### Is KatMon free?

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

### Do My Filaments or KatMon have ads?

My Filaments shows ads; KatMon does not.

### Which is updated more often, My Filaments or KatMon?

My Filaments ships an update every 2 days, and KatMon every 2 days. Most recently, My Filaments was updated on October 31, 2026 and KatMon on October 28, 2026.

---

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