# Humming Note vs Sing2Notes

The clearest difference is rating: Sing2Notes at 3.6 against Humming Note's 1.8. Sing2Notes also leads on ads (none vs shown) and review sentiment (31% vs 17%). Humming Note's advantage is in-app purchases (none vs 8). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Sing2Notes sells 8 in-app purchases, starting at $9.99 per month. Humming Note asks for nothing beyond the download.

Sing2Notes holds the better App Store score, 3.6 against 1.8. That said, the two scores are not equally well evidenced: Sing2Notes has 79 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 17% of Humming Note's written reviews are positive against 31% of Sing2Notes's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Humming Note | Sing2Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (8 ratings)](https://appshunter.io/ios/app/humming-note/id1575316445/reviews) | **[3.6 (79 ratings)](https://appshunter.io/ios/app/sing2notes/id1588721118/reviews)** |
| Number of ratings | 8 | **79** |
| Positive reviews | 17.0% of reviews | **31.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 14 MB | 28 MB |
| Requires iOS | **14.5** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kohei YASUI](https://appshunter.io/developer/439570978) | [Klangio GmbH](https://appshunter.io/developer/1588721120) |

## What reviewers say

### Humming Note

[App page](https://appshunter.io/ios/app/humming-note/id1575316445)

Easily create music notation from your humming. This app converts vocal melodies into MIDI files, even if you have no musical training. It automatically transposes to C major for beautiful scoring.

**Highlights:** Generate MIDI from humming, Create music notation without musical training, Automatic transposition to C major, Noise-free environment recommended, Avoid vocal vibration for best results

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

**In-app purchases:** none


### Sing2Notes

[App page](https://appshunter.io/ios/app/sing2notes/id1588721118)

Transform your vocal recordings into sheet music using AI. Transcribe solo vocals from recordings or MP3s, view the classical score, and play it back. Export your creations as PDF, MIDI, or MusicXML to share with others.

**Highlights:** Transcribe solo vocal recordings to sheet music, Transcribe solo vocal MP3 files, View transcribed music as classical score, Playback sheet music, Download sheet as PDF, MIDI, or MusicXML, Share compositions

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Klangio Universe Monthly | $24.99 | per month |
| Pro Yearly | $99.99 | per year |
| Klangio Universe Subscription | $149.99 | per year |
| Single Ticket | $1.99 | one-time |
| 3 tickets package | $5.99 | one-time |
| 10 tickets package | $9.99 | one-time |
| 50 Tickets Package | $24.99 | one-time |


## Frequently asked questions

### Is Humming Note free?

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

### Is Sing2Notes free?

Sing2Notes is free to download, with in-app purchases available.

### Which has better reviews, Humming Note or Sing2Notes?

Sing2Notes is rated higher. Humming Note averages 1.8 out of 5 from 8 ratings, while Sing2Notes averages 3.6 from 79 ratings.

### Do Humming Note or Sing2Notes have ads?

Humming Note shows ads; Sing2Notes does not.

### Which is updated more often, Humming Note or Sing2Notes?

Humming Note ships an update every 2 months, and Sing2Notes every 2 months. Most recently, Humming Note was updated on October 8, 2026 and Sing2Notes on October 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.*