# Katsana V3 vs ThoughtCatch

The clearest difference is in-app purchases: Katsana V3 at none against ThoughtCatch's 2. Katsana V3 also leads on ads (none vs shown). ThoughtCatch's advantage is update cadence (weekly vs every 8 months) and iOS requirement (17.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. ThoughtCatch sells 2 in-app purchases, starting at $2.99 per month. Katsana V3 asks for nothing beyond the download.

Katsana V3 ships an update every 8 months, ThoughtCatch weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Katsana V3 | ThoughtCatch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Weekly** |
| Size | 47 MB | 5 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Katsana Holdings Sdn. Bhd.](https://appshunter.io/developer/1081284615) | [Chi Chen Lee](https://appshunter.io/developer/1548524457) |

## What reviewers say

### Katsana V3

[App page](https://appshunter.io/ios/app/katsana-v3/id6756947165)

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

**In-app purchases:** none


### ThoughtCatch

[App page](https://appshunter.io/ios/app/thoughtcatch/id6759111192)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Katsana V3 free?

Katsana V3 is free to download, with no in-app purchases.

### Is ThoughtCatch free?

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

### Do Katsana V3 or ThoughtCatch have ads?

ThoughtCatch shows ads; Katsana V3 does not.

### Which is updated more often, Katsana V3 or ThoughtCatch?

Katsana V3 ships an update every 8 months, and ThoughtCatch weekly. Most recently, Katsana V3 was updated on November 5, 2026 and ThoughtCatch on October 31, 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.*