# What Note Is This? vs BeatMirror

The clearest difference is rating: BeatMirror at 4.7 against What Note Is This?'s 2.7. BeatMirror also leads on ratings volume (253 vs 3) and chart position (#58 vs unranked). What Note Is This?'s advantage is price ($0.99 vs $6.99) and iOS requirement (7.0 vs 13.0). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

What Note Is This? costs $0.99 and BeatMirror $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BeatMirror holds the better App Store score, 4.7 against 2.7. That said, the two scores are not equally well evidenced: BeatMirror has 253 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 60% of What Note Is This?'s written reviews are positive against 65% of BeatMirror's.

What Note Is This? ships an update every 2 months, BeatMirror every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | What Note Is This? | BeatMirror |
| --- | --- | --- |
| Price | **$0.99** | $6.99 |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/what-note-is-this/id456134975/reviews) | **[4.7 (253 ratings)](https://appshunter.io/ios/app/beatmirror-track-bpm/id1086730929/reviews)** |
| Number of ratings | 3 | **253** |
| Positive reviews | 60.0% of reviews | **65.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free** |
| Best chart rank | — | **#58** |
| Size | 11 MB | 4 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Okeedoke Studios](https://appshunter.io/developer/456134978) | [Ten Kettles Inc.](https://appshunter.io/developer/807222476) |

## What reviewers say

### What Note Is This?

[App page](https://appshunter.io/ios/app/what-note-is-this/id456134975)

This app helps users learn to read music notes through interactive practice and quizzes. It offers customizable modes, progress tracking with achievements, and is suitable for all ages. Learn notes on the go with a universal design.

**Highlights:** Practice mode with flashcards, 10-note quizzes, Customizable clef and difficulty, Achievement stickers, Universal design for all devices, Beginner mode for sharps and flats

**In-app purchases:** none


### BeatMirror

[App page](https://appshunter.io/ios/app/beatmirror-track-bpm/id1086730929)

**Currently charting:** #58 Top Paid · Music (US App Store)

This app uses your device's microphone to detect and display musical tempo in real-time. It provides a scrollable graph of your tempo history, helping musicians improve their rhythm and internal clock. Features include a wide tempo range, flexible accuracy across time signatures, and visual feedback for tempo drift.

**Highlights:** Real-time tempo detection, Scrollable tempo history graph, Wide tempo range (35-220 bpm), Flexible accuracy across time signatures and rhythms, Visual feedback for tempo drift, Customizable zoom features, Tempo keyboard with tap pad

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast BPM detection
- 👍 Easy to use
- 💡 Game changer for musicians
- 👍 Great for guitar rhythm practice
- 💡 Superior tempo detection

**What reviewers complain about**

- 🐛 Inaccurate beat detection for guitar
- 🔋 Phone gets hot
- 🐛 BPM rounding issues
- 🐛 Doesn't work unless target tempo is set
- 🐛 Not ideal for DJs

**Reported bugs**

- Beat detection inaccurate for guitar picking speed
- App rounds BPM to nearest whole number, losing decimals
- Phone overheats after prolonged use
- App doesn't work unless a target tempo is set
- App is not precise enough to measure rapid beats

**Requested features**

- Toggle for BPM decimals display
- Option to switch between integer and double numbers for DJs
- Mode to just detect playing without setting target tempo
- More customization for tempo range zoom


## Frequently asked questions

### Is What Note Is This? free?

What Note Is This? costs $0.99, with no in-app purchases.

### Is BeatMirror free?

BeatMirror costs $6.99, with no in-app purchases.

### Which has better reviews, What Note Is This? or BeatMirror?

BeatMirror is rated higher. What Note Is This? averages 2.7 out of 5 from 3 ratings, while BeatMirror averages 4.7 from 253 ratings.

### Do What Note Is This? or BeatMirror have ads?

Neither What Note Is This? nor BeatMirror shows ads.

### Which is updated more often, What Note Is This? or BeatMirror?

What Note Is This? ships an update every 2 months, and BeatMirror every 3 months. Most recently, What Note Is This? was updated on October 24, 2026 and BeatMirror on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*