# 资料转移 vs Secret Diary

The clearest difference is price: 资料转移 at Free against Secret Diary's $0.99. Secret Diary's advantage is in-app purchases (none vs 4). On update cadence, ads, device support and iOS requirement there is nothing between them.

资料转移 is free to download; Secret Diary costs $0.99 up front. 资料转移 sells 4 in-app purchases, starting at $3.99 per 7 days. Secret Diary asks for nothing beyond the download.

资料转移 ships an update every 6 weeks, Secret Diary monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 资料转移 | Secret Diary |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | — | Paid |
| Size | 11 MB | 8 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [汝骏 张](https://appshunter.io/developer/1790438486) | [景 刘](https://appshunter.io/developer/1887860900) |

## What reviewers say

### 资料转移

[App page](https://appshunter.io/ios/app/id6745581032)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周订阅 | $3.99 | per 7 days |
| 月订阅 | $7.99 | per month |
| 年订阅 | $12.99 | per year |
| 永久会员 | $9.99 | one-time |


### Secret Diary

[App page](https://appshunter.io/ios/app/secret-diary-notebook/id6761122036)

A secure, offline digital journal that prioritizes your privacy. Store thoughts locally with robust encryption and multimedia support. Export entries as PDFs for complete data ownership.

**Highlights:** True offline functionality, Local encryption with Face ID/Touch ID, Multimedia entries with multiple images, Calendar heatmap for recording frequency, Gentle, customizable writing reminders, One-click encrypted PDF export

**In-app purchases:** none


## Frequently asked questions

### Is 资料转移 free?

资料转移 is free to download, with in-app purchases available.

### Is Secret Diary free?

Secret Diary costs $0.99, with no in-app purchases.

### Do 资料转移 or Secret Diary have ads?

Neither 资料转移 nor Secret Diary shows ads.

### Which is updated more often, 资料转移 or Secret Diary?

资料转移 ships an update every 6 weeks, and Secret Diary monthly. Most recently, 资料转移 was updated on October 30, 2026 and Secret Diary on October 31, 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.*