# CatNote卡片笔记 vs PomoRing

The clearest difference is price: CatNote卡片笔记 at Free against PomoRing's $0.99. PomoRing's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

CatNote卡片笔记 is free to download; PomoRing costs $0.99 up front. CatNote卡片笔记 sells 3 one-off in-app purchases. PomoRing asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 11, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | CatNote卡片笔记 | PomoRing |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Paid |
| Size | 10 MB | 3 MB |
| Requires iOS | 16.1 | **16.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Xunji Technology Co., Ltd](https://appshunter.io/developer/1663423638) | [远魁 黄](https://appshunter.io/developer/1884181435) |

## What reviewers say

### CatNote卡片笔记

[App page](https://appshunter.io/ios/app/catnote/id1663647332)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CatNote月度会员 | $0.99 | one-time |
| CatNote年度会员 | $7.99 | one-time |
| CatNote永久会员 | $14.99 | one-time |


### PomoRing

[App page](https://appshunter.io/ios/app/pomoring/id6760386979)

This standalone Pomodoro timer for your wrist helps you stay focused with a beautiful, intuitive interface. It offers customizable work and break cycles, haptic alerts, and progress tracking. Seamlessly sync your focus sessions with HealthKit.

**Highlights:** Standalone Pomodoro timer for Apple Watch, Animated circular progress ring, Customizable focus and break durations, Haptic alerts for session transitions, Daily and weekly focus statistics, HealthKit integration for mindfulness tracking

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is CatNote卡片笔记 free?

CatNote卡片笔记 is free to download, with in-app purchases available.

### Is PomoRing free?

PomoRing costs $0.99, with no in-app purchases.

### Do CatNote卡片笔记 or PomoRing have ads?

Neither CatNote卡片笔记 nor PomoRing shows ads.

### Which is updated more often, CatNote卡片笔记 or PomoRing?

CatNote卡片笔记 ships an update every 3 weeks, and PomoRing every 3 weeks. Most recently, CatNote卡片笔记 was updated on September 11, 2026 and PomoRing on September 25, 2026.

---

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