# Music Spectrograph vs Tachyon

The clearest difference is rating: Tachyon at 3.8 against Music Spectrograph's 2.5. Tachyon also leads on price ($1.99 vs $9.99) and review sentiment (78% vs 50%). Music Spectrograph's advantage is update cadence (every 6 weeks vs every 14 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

Music Spectrograph costs $9.99 and Tachyon $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tachyon holds the better App Store score, 3.8 against 2.5. Both are backed by a comparable volume of ratings — 4 and 13 respectively. Written reviews point the same way: 50% of Music Spectrograph's written reviews are positive against 78% of Tachyon's.

Music Spectrograph ships an update every 6 weeks, Tachyon every 14 months. The most recent releases landed on September 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Music Spectrograph | Tachyon |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/music-spectrograph/id432044946/reviews) | **[3.8 (13 ratings)](https://appshunter.io/ios/app/tachyon/id544585980/reviews)** |
| Number of ratings | 4 | **13** |
| Positive reviews | 50.0% of reviews | **77.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 14 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 12 MB |
| Requires iOS | 12.4 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HotPaw Productions](https://appshunter.io/developer/285074853) | [Wizdom Music LLC](https://appshunter.io/developer/377345351) |

## What reviewers say

### Music Spectrograph

[App page](https://appshunter.io/ios/app/music-spectrograph/id432044946)

Visually reverse engineer sound and music in real-time with a live MIDI piano roll displaying pitch and frequency. Slow down or stop audio to analyze musical patterns, aiding in music transcription and learning.

**Highlights:** Real-time MIDI piano roll, Pitch and frequency visualization, Slow down and stop audio, Music transcription aid, Adjustable playback speed, Color-coded pitch graph

**Features:** Vision Pro support

**In-app purchases:** none


### Tachyon

[App page](https://appshunter.io/ios/app/tachyon/id544585980)

This app allows users to blend any two sounds together to create unique musical expressions. Its intuitive interface lets you control pitch and tone independently, offering a mesmerizing visual experience as you play.

**Highlights:** Blend any two sounds, Independent pitch and tone control, Intuitive touch interface, Mesmerizing visual feedback, Custom sound library

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Expressive instrument
- 💡 Innovative concept
- 🎨 Great visuals
- 💰 Great value for price
- 👍 Easy to use

**What reviewers complain about**

- 📉 Limited sound palette
- 🤔 Some find it basic
- 😕 Sounds can be unremarkably cheesy
- 🪞 Interface can be distracting

**Reported bugs**

- IAA and Audiobus compatibility issues
- Does not work with Audiobus
- Does not launch with Audiobus
- Inter-app audio and Audiobus connectivity missing
- Broken on iPad 2 - iOS 7

**Requested features**

- Audiobus and IAA support
- MIDI support
- MPE support
- Ability to record
- Update for notched iPhones


## Frequently asked questions

### Is Music Spectrograph free?

Music Spectrograph costs $9.99, with no in-app purchases.

### Is Tachyon free?

Tachyon costs $1.99, with no in-app purchases.

### Which has better reviews, Music Spectrograph or Tachyon?

Tachyon is rated higher. Music Spectrograph averages 2.5 out of 5 from 4 ratings, while Tachyon averages 3.8 from 13 ratings.

### Do Music Spectrograph or Tachyon have ads?

Neither Music Spectrograph nor Tachyon shows ads.

### Which is updated more often, Music Spectrograph or Tachyon?

Music Spectrograph ships an update every 6 weeks, and Tachyon every 14 months. Most recently, Music Spectrograph was updated on September 21, 2026 and Tachyon on October 14, 2026.

---

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