# Secret Diary vs ADHD Reader

The clearest difference is update cadence: ADHD Reader at weekly against Secret Diary's every 3 weeks. Secret Diary's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Secret Diary sells 5 one-off in-app purchases and ADHD Reader sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Secret Diary ships an update every 3 weeks, ADHD Reader weekly. The most recent releases landed on October 17, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Secret Diary | ADHD Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (44 ratings)](https://appshunter.io/ios/app/secret-diary-gratitude-journal/id1107242504/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 65.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 26 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [明军 李](https://appshunter.io/developer/1066756613) | [Chaojifeng (Xiamen) Network Technology Co., Ltd.](https://appshunter.io/developer/1779974143) |

## What reviewers say

### Secret Diary

[App page](https://appshunter.io/ios/app/secret-diary-gratitude-journal/id1107242504)

This app serves as a private digital journal for recording daily activities, thoughts, and ideas. It allows users to organize entries with rich media like photos and voice notes, and offers features for easy retrieval and customization.

**Highlights:** Create and edit moments and diaries, Rich content: text, photo, voice, location, Thematic icon and text tagging, Customizable fonts, themes, and wallpaper, Passcode and Touch ID lock, Data sync across devices, Export to PDF

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Photo-Sync Service(1 month) | $1.99 | one-time |
| Photo-Sync Service(3 months) | $4.99 | one-time |
| VIP for May Diary Pro | $7.99 | one-time |
| Photo-Sync Service(6 months) | $7.99 | one-time |
| Photo-Sync Service(1 year) | $13.99 | one-time |


### ADHD Reader

[App page](https://appshunter.io/ios/app/adhd-reader-textwebfile/id6739710331)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Yearly Pro | $9.99 | per year |
| Lifetime Pro | $19.99 | one-time |


## Frequently asked questions

### Is Secret Diary free?

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

### Is ADHD Reader free?

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

### Do Secret Diary or ADHD Reader have ads?

Neither Secret Diary nor ADHD Reader shows ads.

### Which is updated more often, Secret Diary or ADHD Reader?

Secret Diary ships an update every 3 weeks, and ADHD Reader weekly. Most recently, Secret Diary was updated on October 17, 2026 and ADHD Reader on September 30, 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.*