# 嘟嘟分享 vs Private Note Encrypted

The clearest difference is in-app purchases: 嘟嘟分享 at none against Private Note Encrypted's 1. 嘟嘟分享 also leads on iOS requirement (13.0 vs 15.0). Private Note Encrypted's advantage is update cadence (every 11 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Private Note Encrypted sells 1 in-app purchase, starting at $3.99 per month. 嘟嘟分享 asks for nothing beyond the download.

嘟嘟分享 ships an update every 2 months, Private Note Encrypted every 11 days. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 嘟嘟分享 | Private Note Encrypted |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/id1434381013/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 135 MB | 52 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Beijing Eetrust Technology Co., Ltd.](https://appshunter.io/developer/1204692783) | [ZONESOFT S.R.L.](https://appshunter.io/developer/6780032610) |

## What reviewers say

### 嘟嘟分享

[App page](https://appshunter.io/ios/app/id1434381013)

This app provides secure communication and data sharing for mobile users. It offers end-to-end encryption, disappearing messages, and robust controls for text, voice, images, and documents.

**Highlights:** Ephemeral messages (read-once), Secure text, voice, image, and document sharing, Group and private chats, Anti-screenshot protection, Secure document opening, Permission controls for shared data

**Features:** Vision Pro support

**In-app purchases:** none


### Private Note Encrypted

[App page](https://appshunter.io/ios/app/private-note-encrypted/id6780053523)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English | $3.99 | per month |


## Frequently asked questions

### Is 嘟嘟分享 free?

嘟嘟分享 is free to download, with no in-app purchases.

### Is Private Note Encrypted free?

Private Note Encrypted is free to download, with in-app purchases available.

### Do 嘟嘟分享 or Private Note Encrypted have ads?

Neither 嘟嘟分享 nor Private Note Encrypted shows ads.

### Which is updated more often, 嘟嘟分享 or Private Note Encrypted?

嘟嘟分享 ships an update every 2 months, and Private Note Encrypted every 11 days. Most recently, 嘟嘟分享 was updated on October 16, 2026 and Private Note Encrypted on October 1, 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.*