# CDC vs Koiya

The clearest difference is rating: Koiya at 5.0 against CDC's 2.9. CDC's advantage is ratings volume (413 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Koiya holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: CDC has 413 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | CDC | Koiya |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (413 ratings)](https://appshunter.io/ios/app/cdc/id487847188/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/koiya/id6770373376/reviews)** |
| Number of ratings | **413** | 1 |
| Positive reviews | 22.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | Free |
| Size | 38 MB | 117 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) | [Valerie Inman](https://appshunter.io/developer/1896737702) |

## What reviewers say

### CDC

[App page](https://appshunter.io/ios/app/cdc/id487847188)

Access the latest health information and news directly from the official source. Organize your home screen to prioritize what matters most and receive real-time updates. Explore a variety of content including disease data, videos, podcasts, and journal articles.

**Highlights:** Up-to-date health information, Customizable home screen, Disease case counts, Videos and podcasts, Journal articles, Searchable web content

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

**In-app purchases:** none

**What reviewers like**

- 💡 Informative and reliable health information
- 🚀 Easy to navigate and access data
- 👍 Useful for public health professionals and students

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- ⚠️ Outdated or inaccurate information, especially regarding COVID-19
- 🔒 Privacy and security concerns
- 👎 Lack of trust in the CDC due to political influence

**Reported bugs**

- Links within articles not working
- App freezing or not loading past the splash screen
- Symptom checker and other features not functioning properly

**Requested features**

- Improved contact tracing tools
- More up-to-date and comprehensive disease data
- Better integration with other health apps and platforms
- Landscape mode support for tablets


### Koiya

[App page](https://appshunter.io/ios/app/koiya/id6770373376)

Immerse yourself in calming soundscapes and ambient environments for relaxation and better sleep. This app offers thoughtfully crafted audio experiences to help you unwind, reset, and establish a more peaceful nighttime routine.

**Highlights:** Calming soundscapes, Ambient environments, Soothing audio, Nighttime routine support, Decompression tools, Peaceful atmosphere creation

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

**In-app purchases:** none


## Frequently asked questions

### Is CDC free?

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

### Is Koiya free?

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

### Which has better reviews, CDC or Koiya?

Koiya is rated higher. CDC averages 2.9 out of 5 from 413 ratings, while Koiya averages 5.0 from 1 ratings.

### Do CDC or Koiya have ads?

Neither CDC nor Koiya shows ads.

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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.*