# Diary with Lock vs TY日记本

The clearest difference is in-app purchases: TY日记本 at none against Diary with Lock's 1. TY日记本 also leads on update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Diary with Lock sells 1 in-app purchase, starting at $9.99 per year. TY日记本 asks for nothing beyond the download.

Diary with Lock ships an update every 3 months, TY日记本 fortnightly. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Diary with Lock | TY日记本 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (20 ratings)](https://appshunter.io/ios/app/diary-with-lock-idiary/id1625609721/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 58 MB | 30 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Heyou Co., Ltd.](https://appshunter.io/developer/1480358223) | [Xue Wu Gao](https://appshunter.io/developer/1450372732) |

## What reviewers say

### Diary with Lock

[App page](https://appshunter.io/ios/app/diary-with-lock-idiary/id1625609721)

Capture and cherish life's moments in a secure, beautifully designed digital journal. Add text, photos, and videos, track your mood and weather, and protect your entries with a passcode. Back up your memories to iCloud and export them as PDFs.

**Highlights:** Photo and text diary entries, Lock screen passcode protection, iCloud backup, Mood and weather tracking, Font customization, Intruder snapshots, PDF export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iDiary Pro | $9.99 | per year |


### TY日记本

[App page](https://appshunter.io/ios/app/ty/id6443826175)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diary with Lock free?

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

### Is TY日记本 free?

TY日记本 is free to download, with no in-app purchases.

### Do Diary with Lock or TY日记本 have ads?

Neither Diary with Lock nor TY日记本 shows ads.

### Which is updated more often, Diary with Lock or TY日记本?

Diary with Lock ships an update every 3 months, and TY日记本 fortnightly. Most recently, Diary with Lock was updated on October 11, 2026 and TY日记本 on October 6, 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.*