# Kattalyst

> Kattalyst (iPhone/iPad app by JiaYuan Yu.)

- Source: https://appshunter.io/ios/app/kattalyst/id6815892891 (this page in markdown: same URL + `.md`)
- Developer: [JiaYuan Yu](https://appshunter.io/developer/6800308304)
- Category: Shopping, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 6 MB
- Languages: American English, Japanese, Korean, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2026-09-26
- Data updated: 2026-10-10

## What is Kattalyst?

家族の毎週ルーティンまとめ買いに最適、直感操作で買い物リストを簡単管理。ルーティン買い物リストをサッと作成、画面いっぱい表示。エクスポート・インポート。簡単共有

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Kattalyst プレミアム | $2.99 | one-time |


## Is Kattalyst safe?

Not enough ratings yet to assess Kattalyst.

## Is Kattalyst legit?

Kattalyst appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Kattalyst is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 5.14 — 2026-10-07

端末を横向きから縦向きに戻した際、画面のレイアウトが横に広がったままになる不具合を修正しました。

### 1.0 — 2026-09-27

No release notes.

## More apps by JiaYuan Yu

- [和風六曜暦カレンダー](https://appshunter.io/ios/app/id6800308302)
- [RosaNauts](https://appshunter.io/ios/app/rosanauts/id6807705043)
- [音ボタン SoundBtn](https://appshunter.io/ios/app/soundbtn/id6807745902)
- [Bear Alert: Safety Siren](https://appshunter.io/ios/app/bear-alert-safety-siren/id6808528012)
- [Lazerfloor](https://appshunter.io/ios/app/lazerfloor/id6813108700)
- [DaZen - バイノーラルビート瞑想](https://appshunter.io/ios/app/dazen/id6814318914)

All apps by JiaYuan Yu: https://appshunter.io/developer/6800308304

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-10.*