# Vertices AQS vs Sereni

The clearest difference is in-app purchases: Vertices AQS at none against Sereni's 1. Vertices AQS also leads on ads (none vs shown) and update cadence (every 4 weeks vs every 2 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Sereni sells 1 one-off in-app purchase. Vertices AQS asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Vertices AQS against 5.0 for Sereni. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Vertices AQS ships an update every 4 weeks, Sereni every 2 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Vertices AQS | Sereni |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/vertices-aqs/id1583786740/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/sereni-sleep-and-focus-sounds/id1663702621/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 57 MB |
| Requires iOS | **14.3** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [onceLabs LLC](https://appshunter.io/developer/1013013324) | [michael ortiz](https://appshunter.io/developer/1663702623) |

## What reviewers say

### Vertices AQS

[App page](https://appshunter.io/ios/app/vertices-aqs/id1583786740)

This app provides real-time air quality monitoring using advanced sensors. It helps manage indoor air quality by detecting subtle changes and ensuring a safe environment. It is a standalone product for ambient air assessment.

**Highlights:** Real-time air quality measurement, Multi-sensor monitoring, Indoor air quality management, Detects subtle air quality nuances, Uses advanced sensors and circuits

**Features:** Vision Pro support

**In-app purchases:** none


### Sereni

[App page](https://appshunter.io/ios/app/sereni-sleep-and-focus-sounds/id1663702621)

This app offers customizable white, pink, and brown noise sounds to aid focus, relaxation, or sleep. Its simple interface allows volume adjustment and timer settings for personalized ambient soundscapes.

**Highlights:** White, pink, and brown noise options, Customizable volume control, Adjustable timer settings, Simple and user-friendly interface, Minimalistic design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sereni Plus | $1.99 | one-time |


## Frequently asked questions

### Is Vertices AQS free?

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

### Is Sereni free?

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

### Which has better reviews, Vertices AQS or Sereni?

Vertices AQS and Sereni are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Vertices AQS or Sereni have ads?

Sereni shows ads; Vertices AQS does not.

### Which is updated more often, Vertices AQS or Sereni?

Vertices AQS ships an update every 4 weeks, and Sereni every 2 months. Most recently, Vertices AQS was updated on October 24, 2026 and Sereni on October 26, 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.*