# passNote vs 私语Shhly

The clearest difference is in-app purchases: 私语Shhly at none against passNote's 1. passNote's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. passNote sells 1 in-app purchase, starting at $2.99 per month. 私语Shhly asks for nothing beyond the download.

passNote ships an update every 5 days, 私语Shhly every 2 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | passNote | 私语Shhly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shhly/id6789831521/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 80 MB | 25 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ryota Izumi](https://appshunter.io/developer/1773491378) | [Haochen Wang](https://appshunter.io/developer/1178772661) |

## What reviewers say

### passNote

[App page](https://appshunter.io/ios/app/passnote-penpal-diary/id6762535541)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership | $2.99 | per month |


### 私语Shhly

[App page](https://appshunter.io/ios/app/shhly/id6789831521)

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

**In-app purchases:** none


## Frequently asked questions

### Is passNote free?

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

### Is 私语Shhly free?

私语Shhly is free to download, with no in-app purchases.

### Do passNote or 私语Shhly have ads?

Neither passNote nor 私语Shhly shows ads.

### Which is updated more often, passNote or 私语Shhly?

passNote ships an update every 5 days, and 私语Shhly every 2 months. Most recently, passNote was updated on October 28, 2026 and 私语Shhly on October 28, 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.*