# MSE OS vs Wrist Pipe

The clearest difference is review sentiment: Wrist Pipe at 67% against MSE OS's 0%. Wrist Pipe also leads on rating (4.6 vs 1.8) and update cadence (every 3 months vs every 29 months). MSE OS's advantage is price (Free vs $0.99) and iOS requirement (9.0 vs 15.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

MSE OS is free to download; Wrist Pipe costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Wrist Pipe holds the better App Store score, 4.6 against 1.8. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews point the same way: 0% of MSE OS's written reviews are positive against 67% of Wrist Pipe's.

MSE OS ships an update every 29 months, Wrist Pipe every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | MSE OS | Wrist Pipe |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [1.8 (5 ratings)](https://appshunter.io/ios/app/mse-os-app/id1398770138/reviews) | **[4.6 (8 ratings)](https://appshunter.io/ios/app/wrist-pipe/id1492605892/reviews)** |
| Number of ratings | 5 | **8** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 3 months** |
| Monetization | **Free** | Paid |
| Size | 27 MB | 41 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [MS Electronics LLC](https://appshunter.io/developer/1398645873) | [David Freeman](https://appshunter.io/developer/1492605891) |

## What reviewers say

### MSE OS

[App page](https://appshunter.io/ios/app/mse-os-app/id1398770138)

This application allows users to control the Phasetech OS440 Amplifier. It provides a direct interface for managing amplifier settings and functions.

**Highlights:** Phasetech OS440 Amplifier control, Direct interface, Settings management, Function control

**Features:** macOS Compatibility

**In-app purchases:** none


### Wrist Pipe

[App page](https://appshunter.io/ios/app/wrist-pipe/id1492605892)

This application provides a portable pitch pipe with extensive customization, a variety of instruments, and setlist support for musicians. It allows users to quickly access pitches via watch complications and offers themes for specific musical groups.

**Highlights:** Customizable appearance, Large selection of instruments, Setlist support for songs, Watch face complications, Themes for musical groups, Real pitch pipe samples

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is MSE OS free?

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

### Is Wrist Pipe free?

Wrist Pipe costs $0.99, with no in-app purchases.

### Which has better reviews, MSE OS or Wrist Pipe?

Wrist Pipe is rated higher. MSE OS averages 1.8 out of 5 from 5 ratings, while Wrist Pipe averages 4.6 from 8 ratings.

### Do MSE OS or Wrist Pipe have ads?

Neither MSE OS nor Wrist Pipe shows ads.

### Which is updated more often, MSE OS or Wrist Pipe?

MSE OS ships an update every 29 months, and Wrist Pipe every 3 months. Most recently, MSE OS was updated on November 6, 2026 and Wrist Pipe 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.*