# airCoda vs Tranqui Sleep

The clearest difference is review sentiment: airCoda at 100% against Tranqui Sleep's 0%. airCoda also leads on rating (5.0 vs 1.0) and ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

airCoda holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 100% of airCoda's written reviews are positive against 0% of Tranqui Sleep's.

airCoda ships an update every 10 days, Tranqui Sleep every 2 weeks. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | airCoda | Tranqui Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/aircoda/id6449149043/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/tranqui-sleep/id6741135749/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 47 MB | 33 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AIRCODA LLC](https://appshunter.io/developer/1616692611) | [Ruben Carrascal](https://appshunter.io/developer/1785530519) |

## What reviewers say

### airCoda

[App page](https://appshunter.io/ios/app/aircoda/id6449149043)

Monitor your indoor air quality with a connected sensor. View real-time levels, track exposure hotspots throughout the day, and review your air quality history.

**Highlights:** Real-time air quality monitoring, Day map of exposure hotspots, Air quality history calendar, Connects to airCoda Pocket Sensor, Connects to Aranet4 CO2 sensor

**In-app purchases:** none


### Tranqui Sleep

[App page](https://appshunter.io/ios/app/tranqui-sleep/id6741135749)

Calculate your ideal bedtime and wake-up time based on sleep cycles to feel refreshed. Get personalized recommendations and a user-friendly interface for optimal rest and improved energy.

**Highlights:** Smart sleep calculator, Personalized sleep recommendations, User-friendly interface, Wake up refreshed, Customizable options

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

**In-app purchases:** none


## Frequently asked questions

### Is airCoda free?

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

### Is Tranqui Sleep free?

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

### Which has better reviews, airCoda or Tranqui Sleep?

airCoda is rated higher. airCoda averages 5.0 out of 5 from 2 ratings, while Tranqui Sleep averages 1.0 from 1 ratings.

### Do airCoda or Tranqui Sleep have ads?

Tranqui Sleep shows ads; airCoda does not.

### Which is updated more often, airCoda or Tranqui Sleep?

airCoda ships an update every 10 days, and Tranqui Sleep every 2 weeks. Most recently, airCoda was updated on October 19, 2026 and Tranqui Sleep on October 5, 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.*