# CosmoSia vs Temp Mail Pro

The clearest difference is rating: Temp Mail Pro at 5.0 against CosmoSia's 1.0. Temp Mail Pro also leads on update cadence (every 10 days vs every 3 weeks) and ratings volume (5 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. CosmoSia sells 1 in-app purchase, starting at $2.99 per month and Temp Mail Pro sells 4 in-app purchases, starting at $2.49 per 7 days. Whichever you choose, the download price is not the number that matters.

Temp Mail Pro holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Temp Mail Pro has 5 ratings behind it against 1, so its average is the more settled of the two.

CosmoSia ships an update every 3 weeks, Temp Mail Pro every 10 days. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CosmoSia | Temp Mail Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/cosmosia/id1566565605/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/temp-mail-pro-multiple-email/id1624842550/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | 17.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 219 MB | 55 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ACCESS CO., LTD.](https://appshunter.io/developer/364885144) | [DREAMER NETWORK CO., LTD](https://appshunter.io/developer/1613694335) |

## 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 |


### Temp Mail Pro

[App page](https://appshunter.io/ios/app/temp-mail-pro-multiple-email/id1624842550)

Generate temporary, disposable email addresses instantly to receive emails without sharing your personal inbox. Protect yourself from spam, phishing, and unwanted advertising with a secure, anonymous alternative. Emails are automatically deleted after a short period.

**Highlights:** Instant email address generation, Receive emails anonymously, Spam and phishing protection, Manage multiple emails, Push notifications for new emails, Automatic email deletion

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $2.49 | per 7 days |
| 1 Month | $6.99 | per month |
| 1 Month with Trial | $6.99 | per month |
| 12 Months | $49.99 | per year |


## Frequently asked questions

### Is CosmoSia free?

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

### Is Temp Mail Pro free?

Temp Mail Pro is free to download, with in-app purchases available.

### Which has better reviews, CosmoSia or Temp Mail Pro?

Temp Mail Pro is rated higher. CosmoSia averages 1.0 out of 5 from 1 ratings, while Temp Mail Pro averages 5.0 from 5 ratings.

### Do CosmoSia or Temp Mail Pro have ads?

Both CosmoSia and Temp Mail Pro show ads.

### Which is updated more often, CosmoSia or Temp Mail Pro?

CosmoSia ships an update every 3 weeks, and Temp Mail Pro every 10 days. Most recently, CosmoSia was updated on October 18, 2026 and Temp Mail Pro on October 24, 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.*