# 四季台安線上APP vs Cat Diary

The clearest difference is in-app purchases: 四季台安線上APP at none against Cat Diary's 1. 四季台安線上APP also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). Cat Diary's advantage is update cadence (every 2 days vs every 67 months). On price and ads there is nothing between them.

Both are free to download. Cat Diary sells 1 in-app purchase, starting at $0.99 per month. 四季台安線上APP asks for nothing beyond the download.

四季台安線上APP ships an update every 67 months, Cat Diary every 2 days. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 四季台安線上APP | Cat Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/app/id1374766178/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 12.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 67 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 14 MB | 79 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lucina Women&Children Hospital](https://appshunter.io/developer/1374766177) | [YI HSUAN SUNG](https://appshunter.io/developer/1791954601) |

## What reviewers say

### 四季台安線上APP

[App page](https://appshunter.io/ios/app/app/id1374766178)

This application provides convenient online appointment booking for medical services. Users can easily schedule and manage their healthcare appointments through a digital platform.

**Highlights:** Online appointment booking, Appointment management, Digital healthcare access, Medical service scheduling

**Features:** macOS Compatibility

**In-app purchases:** none


### Cat Diary

[App page](https://appshunter.io/ios/app/cat-diary/id6745091550)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $0.99 | per month |


## Frequently asked questions

### Is 四季台安線上APP free?

四季台安線上APP is free to download, with no in-app purchases.

### Is Cat Diary free?

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

### Do 四季台安線上APP or Cat Diary have ads?

Neither 四季台安線上APP nor Cat Diary shows ads.

### Which is updated more often, 四季台安線上APP or Cat Diary?

四季台安線上APP ships an update every 67 months, and Cat Diary every 2 days. Most recently, 四季台安線上APP was updated on October 19, 2026 and Cat Diary on October 4, 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.*