# PassNote vs Shimau

The clearest difference is in-app purchases: Shimau at none against PassNote's 1. Shimau also leads on update cadence (every 4 days vs every 4 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. PassNote sells 1 one-off in-app purchase. Shimau asks for nothing beyond the download.

PassNote ships an update every 4 weeks, Shimau every 4 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PassNote | Shimau |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/passnote/id6768345490/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Size | 29 MB | 48 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [玉莹 王](https://appshunter.io/developer/1788209799) | [TECH MOON, K.K.](https://appshunter.io/developer/6781580223) |

## What reviewers say

### PassNote

[App page](https://appshunter.io/ios/app/passnote/id6768345490)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $0.99 | one-time |


### Shimau

[App page](https://appshunter.io/ios/app/shimau-save-now-find-later/id6789530146)

**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 Shimau free?

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

### Do PassNote or Shimau have ads?

Neither PassNote nor Shimau shows ads.

### Which is updated more often, PassNote or Shimau?

PassNote ships an update every 4 weeks, and Shimau every 4 days. Most recently, PassNote was updated on October 24, 2026 and Shimau on October 19, 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.*