# Pitch Pipe vs SUS4 Pitch Pipe

The clearest difference is update cadence: SUS4 Pitch Pipe at fortnightly against Pitch Pipe's every 2 months. SUS4 Pitch Pipe also leads on device support (4 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Pitch Pipe sells 2 in-app purchases, starting at $3.99 per 7 days and SUS4 Pitch Pipe sells 11 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Pitch Pipe ships an update every 2 months, SUS4 Pitch Pipe fortnightly. The most recent releases landed on October 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Pitch Pipe | SUS4 Pitch Pipe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 6 MB | 29 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [ThePaulSmith](https://appshunter.io/developer/319584506) |

## What reviewers say

### Pitch Pipe

[App page](https://appshunter.io/ios/app/pitch-pipe-reference-tone/id6772272683)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Yearly | $19.99 | per year |


### SUS4 Pitch Pipe

[App page](https://appshunter.io/ios/app/sus4-pitch-pipe-starting-note/id6777229584)

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SUS4 Pitch Pipe Pro Monthly | $0.99 | per month |
| SUS4 All-Access | $4.39 | per month |
| SUS4 All-Access | $5.99 | per month |
| SUS4 All-Access | $7.99 | per month |
| SUS4 All-Access Annual | $19.99 | per year |
| SUS4 All-Access Annual | $26.99 | per year |
| SUS4 All-Access Annual | $35.99 | per year |
| SUS4 All-Access Annual | $51.99 | per year |
| SUS4 Pitch Pipe Lifetime | $54.99 | one-time |
| SUS4 Pitch Pipe Lifetime | $71.99 | one-time |
| SUS4 Pitch Pipe Lifetime | $103.99 | one-time |


## Frequently asked questions

### Is Pitch Pipe free?

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

### Is SUS4 Pitch Pipe free?

SUS4 Pitch Pipe is free to download, with in-app purchases available.

### Do Pitch Pipe or SUS4 Pitch Pipe have ads?

Neither Pitch Pipe nor SUS4 Pitch Pipe shows ads.

### Which is updated more often, Pitch Pipe or SUS4 Pitch Pipe?

Pitch Pipe ships an update every 2 months, and SUS4 Pitch Pipe fortnightly. Most recently, Pitch Pipe was updated on October 8, 2026 and SUS4 Pitch Pipe on October 31, 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.*