# CosmoSia vs CountDays

The clearest difference is in-app purchases: CountDays at none against CosmoSia's 1. CountDays also leads on ads (none vs shown). CosmoSia's advantage is iOS requirement (16.0 vs 18.5). On price and device support there is nothing between them.

Both are free to download. CosmoSia sells 1 in-app purchase, starting at $2.99 per month. CountDays asks for nothing beyond the download.

## The numbers

| Metric | CosmoSia | CountDays |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/cosmosia/id1566565605/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 17.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 219 MB | 4 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ACCESS CO., LTD.](https://appshunter.io/developer/364885144) | [katsumi sano](https://appshunter.io/developer/1847215267) |

## What reviewers say

### CosmoSia

[App page](https://appshunter.io/ios/app/cosmosia/id1566565605)

Create a personalized email address with your own domain, offering carrier-like ease of use and robust privacy features. Manage multiple email accounts, block unwanted messages, and enjoy a user-friendly interface. Ideal for those seeking a professional or custom email solution.

**Highlights:** Create custom email addresses, Manage multiple email accounts, Block unwanted emails, Easy setup, Carrier-like usability, Privacy-focused

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CosmoSia Mail Plan(Monthly) | $2.99 | per month |


### CountDays

[App page](https://appshunter.io/ios/app/countdays/id6771190031)

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

**In-app purchases:** none


## Frequently asked questions

### Is CosmoSia free?

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

### Is CountDays free?

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

### Do CosmoSia or CountDays have ads?

CosmoSia shows ads; CountDays does not.

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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.*