# Q vs Yelli

The clearest difference is in-app purchases: Q at none against Yelli's 2. Q also leads on iOS requirement (12.0 vs 15.1). Yelli's advantage is update cadence (fortnightly vs every 3 months) and review sentiment (33% vs 13%). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Yelli sells 2 in-app purchases, starting at $78.99 per month. Q asks for nothing beyond the download.

Q ships an update every 3 months, Yelli fortnightly. The most recent releases landed on August 15, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Q | Yelli |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (53 ratings)](https://appshunter.io/ios/app/q-sys-uci-viewer/id417461920/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 13.3% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 72 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QSC Audio Products, LLC.](https://appshunter.io/developer/417461923) | [Terra Tech, LLC](https://appshunter.io/developer/1553716247) |

## What reviewers say

### Q

[App page](https://appshunter.io/ios/app/q-sys-uci-viewer/id417461920)

Control Q-SYS systems remotely from your iOS device. Design custom user interfaces in Q-SYS Designer software to manage various system elements like audio, video, and lighting. Offers extensive control capabilities for a seamless user experience.

**Highlights:** Remote system control, Customizable user interfaces (UCIs), Source selection, PTZ camera control with video preview, Lighting dimmer control, Volume faders, Signal meters

**Features:** macOS Compatibility

**In-app purchases:** none


### Yelli

[App page](https://appshunter.io/ios/app/yelli-restaurant-training/id1553716245)

This app provides a centralized platform for restaurant training and communication, helping to reduce staff turnover and costly errors. It ensures all employees have access to up-to-date information, streamlines onboarding, and allows managers to track training progress.

**Highlights:** Centralized training materials, Automated employee notifications, Onboarding and progress tracking, Customizable quizzes, Special events calendar, Language translations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plan Montlhy | $78.99 | per month |
| Plan Yearly | $899.99 | per year |


## Frequently asked questions

### Is Q free?

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

### Is Yelli free?

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

### Do Q or Yelli have ads?

Neither Q nor Yelli shows ads.

### Which is updated more often, Q or Yelli?

Q ships an update every 3 months, and Yelli fortnightly. Most recently, Q was updated on August 15, 2026 and Yelli on September 16, 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.*