# AccountBox vs Secret Diary

The clearest difference is price: AccountBox at Free against Secret Diary's $0.99. Secret Diary's advantage is in-app purchases (none vs 1) and update cadence (monthly vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

AccountBox is free to download; Secret Diary costs $0.99 up front. AccountBox sells 1 one-off in-app purchase. Secret Diary asks for nothing beyond the download.

AccountBox ships an update every 2 months, Secret Diary monthly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AccountBox | Secret Diary |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Paid |
| Size | 27 MB | 8 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [HSIN-YU LAI](https://appshunter.io/developer/1209099467) | [景 刘](https://appshunter.io/developer/1887860900) |

## What reviewers say

### AccountBox

[App page](https://appshunter.io/ios/app/accountbox/id1209099468)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AccountBox Pro version | $3.99 | 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 AccountBox free?

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

### Is Secret Diary free?

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

### Do AccountBox or Secret Diary have ads?

Neither AccountBox nor Secret Diary shows ads.

### Which is updated more often, AccountBox or Secret Diary?

AccountBox ships an update every 2 months, and Secret Diary monthly. Most recently, AccountBox was updated on October 26, 2026 and Secret Diary on October 24, 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.*