# Kattech vs ShareMemo

The clearest difference is review sentiment: Kattech at 67% against ShareMemo's 20%. Kattech also leads on in-app purchases (none vs 3) and update cadence (every 10 days vs every 3 weeks). ShareMemo's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. ShareMemo sells 3 in-app purchases, starting at $2.99 per month. Kattech asks for nothing beyond the download.

Kattech ships an update every 10 days, ShareMemo every 3 weeks. The most recent releases landed on June 1, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | Kattech | ShareMemo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **66.7% of reviews** | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 36 MB | 79 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [YUMIKO HARAGUCHI](https://appshunter.io/developer/717920912) | [Toshiaki Hayashi](https://appshunter.io/developer/1451156199) |

## What reviewers say

### Kattech

[App page](https://appshunter.io/ios/app/kattech-shared-shopping-list/id1570093626)

Streamline your shopping with this intuitive list app. Easily share lists in real-time, add frequently purchased items, and organize by store to prevent forgotten items and shop more efficiently.

**Highlights:** Easy list sharing, Real-time updates, Instant list creation from history, Add notes to items, Organize by store, Share with family

**Features:** macOS Compatibility

**In-app purchases:** none


### ShareMemo

[App page](https://appshunter.io/ios/app/sharememo-notes-for-couples/id1584586692)

Easily create and share memos and to-do lists with a partner. Control which notes are shared and receive real-time updates. Cloud storage ensures your data is safe, and quick account linking allows for seamless multi-device use.

**Highlights:** Create and share memos, Create and share to-do lists, Convert between memo and to-do formats, Real-time updates on shared notes, Cloud storage for data safety, Account linking for multi-device use, Export memos to other apps

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus plan(monthly) | $2.99 | per month |
| Plus plan(yearly) | $29.99 | per year |
| Ad free | $5.99 | one-time |


## Frequently asked questions

### Is Kattech free?

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

### Is ShareMemo free?

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

### Do Kattech or ShareMemo have ads?

Both Kattech and ShareMemo show ads.

### Which is updated more often, Kattech or ShareMemo?

Kattech ships an update every 10 days, and ShareMemo every 3 weeks. Most recently, Kattech was updated on June 1, 2026 and ShareMemo on August 27, 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.*