# ipshin(입신) vs Shh

The clearest difference is update cadence: Shh at every 5 days against ipshin(입신)'s monthly. ipshin(입신)'s advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ipshin(입신) ships an update monthly, Shh every 5 days. The most recent releases landed on September 8, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | ipshin(입신) | Shh |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Free |
| Size | 44 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [EnhanceU Inc.](https://appshunter.io/developer/583270111) | [Jia Jang](https://appshunter.io/developer/1750288126) |

## What reviewers say

### ipshin(입신)

[App page](https://appshunter.io/ios/app/ipshin/id1522193993)

**In-app purchases:** none


### Shh

[App page](https://appshunter.io/ios/app/shh/id6737796995)

This app helps you stay focused by alerting you when your noise levels exceed a set limit. It's designed for quiet environments like study areas, reducing stress about making noise. Receive discreet alerts even when the screen is locked or the app is in the background.

**Highlights:** Noise level alerts, Background operation, Lock screen alerts, Focus enhancement, Stress reduction

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ipshin(입신) free?

ipshin(입신) is free to download, with no in-app purchases.

### Is Shh free?

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

### Do ipshin(입신) or Shh have ads?

Neither ipshin(입신) nor Shh shows ads.

### Which is updated more often, ipshin(입신) or Shh?

ipshin(입신) ships an update monthly, and Shh every 5 days. Most recently, ipshin(입신) was updated on September 8, 2026 and Shh on June 9, 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.*