# 微声白噪音 vs IsletPassword

The clearest difference is ads: IsletPassword at none against 微声白噪音's shown. 微声白噪音's advantage is update cadence (every 4 days vs every 10 days) and iOS requirement (11.0 vs 15.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. 微声白噪音 sells 1 one-off in-app purchase and IsletPassword sells 2 in-app purchases, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 微声白噪音 against 5.0 for IsletPassword. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

微声白噪音 ships an update every 4 days, IsletPassword every 10 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | 微声白噪音 | IsletPassword |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/wetrack-studio/id1492861857/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/isletpassword-fuzzy-password/id6446062064/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 82 MB | 6 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [滙 钟](https://appshunter.io/developer/861882814) | [朱涛 戴](https://appshunter.io/developer/1675226784) |

## What reviewers say

### 微声白噪音

[App page](https://appshunter.io/ios/app/wetrack-studio/id1492861857)

This app offers a variety of ambient soundscapes like forests, thunderstorms, and oceans to help users focus, sleep, or relax. It's designed for students, those with insomnia, or anyone seeking peace in noisy environments.

**Highlights:** Nature soundscapes, Focus aid, Sleep aid, Relaxation sounds, Meditation sounds

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 去除广告 | $0.99 | one-time |


### IsletPassword

[App page](https://appshunter.io/ios/app/isletpassword-fuzzy-password/id6446062064)

This app offers a secure way to manage passwords by allowing you to store only parts of them, making them uncrackable even if the app is lost. It features local storage, iCloud sync, and random password generation for enhanced security and convenience.

**Highlights:** Fuzzy password creation, Local data storage, iCloud synchronization, Random password generation, FaceID/TouchID lock, Password export

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual VIP | $0.99 | per year |
| Life Time VIP | $7.29 | one-time |


## Frequently asked questions

### Is 微声白噪音 free?

微声白噪音 is free to download, with in-app purchases available.

### Is IsletPassword free?

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

### Which has better reviews, 微声白噪音 or IsletPassword?

微声白噪音 and IsletPassword are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do 微声白噪音 or IsletPassword have ads?

微声白噪音 shows ads; IsletPassword does not.

### Which is updated more often, 微声白噪音 or IsletPassword?

微声白噪音 ships an update every 4 days, and IsletPassword every 10 days. Most recently, 微声白噪音 was updated on November 3, 2026 and IsletPassword on November 3, 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.*