# Qu vs Spectrum Eye RTA

The clearest difference is review sentiment: Spectrum Eye RTA at 100% against Qu's 45%. Spectrum Eye RTA also leads on rating (4.9 vs 3.5) and update cadence (fortnightly vs every 4 months). Qu's advantage is price (Free vs $17.99) and in-app purchases (none vs 5). On ads and device support there is nothing between them.

Qu is free to download; Spectrum Eye RTA costs $17.99 up front. Spectrum Eye RTA sells 5 one-off in-app purchases. Qu asks for nothing beyond the download.

Spectrum Eye RTA holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: Qu has 58 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 45% of Qu's written reviews are positive against 100% of Spectrum Eye RTA's.

Qu ships an update every 4 months, Spectrum Eye RTA fortnightly. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Qu | Spectrum Eye RTA |
| --- | --- | --- |
| Price | **Free** | $17.99 |
| Rating | [3.5 (58 ratings)](https://appshunter.io/ios/app/qu-pad/id699450314/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/spectrum-eye-rta/id794366989/reviews)** |
| Number of ratings | **58** | 7 |
| Positive reviews | 45.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 7 MB | 7 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Allen & Heath Limited](https://appshunter.io/developer/381710975) | [Oleg Naumenko](https://appshunter.io/developer/576715087) |

## What reviewers say

### Qu

[App page](https://appshunter.io/ios/app/qu-pad/id699450314)

Control your digital mixing console wirelessly from your iPad. Mix sound from anywhere in the room or on stage, allowing for independent control of front-of-house and monitor mixes simultaneously.

**Highlights:** Wireless control for Qu mixers, Full mixing and setup functions, Simultaneous independent control, Remote monitor mixing, Supports multiple iOS devices

**Features:** Vision Pro support

**In-app purchases:** none


### Spectrum Eye RTA

[App page](https://appshunter.io/ios/app/spectrum-eye-rta/id794366989)

This application analyzes the frequency content of audio input from your device's microphone or an external interface. It offers detailed spectral analysis with various plot types and SPL measurements, suitable for music professionals and audio enthusiasts.

**Highlights:** Real-time frequency spectrum analysis, SPL meter with A/C/Z weighting, Multiple plot types (bars, line, spectrogram), Fractional-octave resolution, Peak hold and Find Peak functions, Supports external microphones and interfaces, Pink noise generator

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Genuine Support | $0.99 | one-time |
| Solid Support | $1.99 | one-time |
| Serious Support | $2.99 | one-time |
| Major Support | $3.99 | one-time |
| Mega Support | $4.99 | one-time |


## Frequently asked questions

### Is Qu free?

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

### Is Spectrum Eye RTA free?

Spectrum Eye RTA costs $17.99, and also offers in-app purchases.

### Which has better reviews, Qu or Spectrum Eye RTA?

Spectrum Eye RTA is rated higher. Qu averages 3.5 out of 5 from 58 ratings, while Spectrum Eye RTA averages 4.9 from 7 ratings.

### Do Qu or Spectrum Eye RTA have ads?

Neither Qu nor Spectrum Eye RTA shows ads.

### Which is updated more often, Qu or Spectrum Eye RTA?

Qu ships an update every 4 months, and Spectrum Eye RTA fortnightly. Most recently, Qu was updated on November 4, 2026 and Spectrum Eye RTA on November 6, 2026.

---

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