# HummingSheet vs SUS4 Pitch Pipe

The clearest difference is in-app purchases: HummingSheet at none against SUS4 Pitch Pipe's 10. SUS4 Pitch Pipe's advantage is device support (4 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. SUS4 Pitch Pipe sells 10 in-app purchases, starting at $4.39 per month. HummingSheet asks for nothing beyond the download.

HummingSheet ships an update every 11 days, SUS4 Pitch Pipe fortnightly. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | HummingSheet | SUS4 Pitch Pipe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Fortnightly |
| Size | 15 MB | 29 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [tatsuhiro wada](https://appshunter.io/developer/1854109791) | [ThePaulSmith](https://appshunter.io/developer/319584506) |

## What reviewers say

### HummingSheet

[App page](https://appshunter.io/ios/app/hummingsheet/id6755884153)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 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 HummingSheet free?

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

### Is SUS4 Pitch Pipe free?

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

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

Neither HummingSheet nor SUS4 Pitch Pipe shows ads.

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

HummingSheet ships an update every 11 days, and SUS4 Pitch Pipe fortnightly. Most recently, HummingSheet was updated on November 9, 2026 and SUS4 Pitch Pipe on November 10, 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.*