# 631理財投資 vs 9歲記帳

The clearest difference is in-app purchases: 9歲記帳 at none against 631理財投資's 2. 631理財投資's advantage is update cadence (every 2 months vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 631理財投資 sells 2 in-app purchases, starting at $9.49 per month. 9歲記帳 asks for nothing beyond the download.

631理財投資 ships an update every 2 months, 9歲記帳 every 12 months. The most recent releases landed on September 10, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | 631理財投資 | 9歲記帳 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 53.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | — | Free |
| Size | 31 MB | 3 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [KWay & nStock Inc.](https://appshunter.io/developer/1298902337) | [YuChia Liu](https://appshunter.io/developer/390164928) |

## What reviewers say

### 631理財投資

[App page](https://appshunter.io/ios/app/631-drselena2/id1617213595)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 理財投資升級版（月訂閱） | $9.49 | per month |
| 理財投資升級版（年訂閱） | $95.99 | per year |


### 9歲記帳

[App page](https://appshunter.io/ios/app/9/id6633443325)

A simple bookkeeping app for children with an Apple Watch. It allows users to track, categorize, and manage expenses directly from their wrist. Designed to teach financial literacy from a young age.

**Highlights:** Expense tracking, Expense record display, Edit and delete entries, Add notes to expenses, Categorize expenses

**In-app purchases:** none


## Frequently asked questions

### Is 631理財投資 free?

631理財投資 is free to download, with in-app purchases available.

### Is 9歲記帳 free?

9歲記帳 is free to download, with no in-app purchases.

### Do 631理財投資 or 9歲記帳 have ads?

Neither 631理財投資 nor 9歲記帳 shows ads.

### Which is updated more often, 631理財投資 or 9歲記帳?

631理財投資 ships an update every 2 months, and 9歲記帳 every 12 months. Most recently, 631理財投資 was updated on September 10, 2026 and 9歲記帳 on June 11, 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.*