# StampMemo vs Kitty Clock

The clearest difference is rating: StampMemo at 5.0 against Kitty Clock's 1.0. StampMemo also leads on in-app purchases (none vs 1). Kitty Clock's advantage is update cadence (fortnightly vs every 6 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Kitty Clock sells 1 one-off in-app purchase. StampMemo asks for nothing beyond the download.

StampMemo holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

StampMemo ships an update every 6 weeks, Kitty Clock fortnightly. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | StampMemo | Kitty Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stampmemo/id467337811/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/kitty-clock/id6451078399/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 43.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 12 MB | 46 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZAIZEN Co., Ltd.](https://appshunter.io/developer/380406945) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### StampMemo

[App page](https://appshunter.io/ios/app/stampmemo/id467337811)

Organize your notes and memos with cute decorative stamps. Secure your private content with a password lock for folders. Designed for users who enjoy personalized organization and a touch of flair.

**Highlights:** Decorative stamp customization, Folder organization, Password protection for folders, Secure secret content, Cute deco stamps

**Features:** Vision Pro support

**In-app purchases:** none


### Kitty Clock

[App page](https://appshunter.io/ios/app/kitty-clock/id6451078399)

Customize your device's display with a charming clock featuring adorable kitten images. Personalize the time text, clock hands, and kitten placement, with options to adjust size, format, and even set custom time signals. Enjoy a visually appealing and functional timepiece.

**Highlights:** 20 different kitten pictures, Movable time text, analog clock, and kitten, Zoomable analog clock and kitten, Adjustable font size and display elements, Customizable time signal tones, Screen rotation support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kitty Clock with no ads | $1.99 | one-time |


## Frequently asked questions

### Is StampMemo free?

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

### Is Kitty Clock free?

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

### Which has better reviews, StampMemo or Kitty Clock?

StampMemo is rated higher. StampMemo averages 5.0 out of 5 from 1 ratings, while Kitty Clock averages 1.0 from 1 ratings.

### Do StampMemo or Kitty Clock have ads?

Both StampMemo and Kitty Clock show ads.

### Which is updated more often, StampMemo or Kitty Clock?

StampMemo ships an update every 6 weeks, and Kitty Clock fortnightly. Most recently, StampMemo was updated on October 7, 2026 and Kitty Clock on October 2, 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.*