# Silent Plug vs Kern River Propane

The clearest difference is in-app purchases: Kern River Propane at none against Silent Plug's 1. Silent Plug's advantage is update cadence (fortnightly vs every 4 months) and iOS requirement (8.1 vs 12.2). On price, ads and device support there is nothing between them.

Both are free to download. Silent Plug sells 1 one-off in-app purchase. Kern River Propane asks for nothing beyond the download.

Silent Plug ships an update fortnightly, Kern River Propane every 4 months. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Silent Plug | Kern River Propane |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (34 ratings)](https://appshunter.io/ios/app/silent-plug/id1124552189/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 19.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 57 MB |
| Requires iOS | **8.1** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Twist Idea LLC](https://appshunter.io/developer/926748916) | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) |

## What reviewers say

### Silent Plug

[App page](https://appshunter.io/ios/app/silent-plug/id1124552189)

This utility silences the notification sounds your device makes when plugged in. By starting a journal entry, it prevents plug-in sounds, ensuring quiet charging in shared spaces or during sensitive activities.

**Highlights:** Silences plug-in sounds, Starts journal entry to mute, Discreet charging, Ideal for shared sleeping spaces, Useful in quiet environments

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Kern River Propane

[App page](https://appshunter.io/ios/app/kern-river-propane/id1625342521)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Silent Plug free?

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

### Is Kern River Propane free?

Kern River Propane is free to download, with no in-app purchases.

### Do Silent Plug or Kern River Propane have ads?

Neither Silent Plug nor Kern River Propane shows ads.

### Which is updated more often, Silent Plug or Kern River Propane?

Silent Plug ships an update fortnightly, and Kern River Propane every 4 months. Most recently, Silent Plug was updated on October 6, 2026 and Kern River Propane on October 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.*