# MailMyHtml vs Relay Check

The clearest difference is iOS requirement: MailMyHtml at 10.0 against Relay Check's 17.0. On price, update cadence, ads 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.

MailMyHtml ships an update every 5 months, Relay Check every 4 months. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | MailMyHtml | Relay Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/mailmyhtml/id1169017692/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 1 MB | 8 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Dennie Frifeldt](https://appshunter.io/developer/619333161) | [JAMF Software](https://appshunter.io/developer/290965542) |

## What reviewers say

### MailMyHtml

[App page](https://appshunter.io/ios/app/mailmyhtml/id1169017692)

Easily send emails with custom HTML designs directly from your mobile device. Import HTML files from cloud storage or write and preview your own code within the app.

**Highlights:** Send emails with HTML content, Import HTML files from Dropbox, Write and preview HTML code, Responsive email design support, Directly embed HTML in email body

**Features:** macOS Compatibility

**In-app purchases:** none


### Relay Check

[App page](https://appshunter.io/ios/app/relay-check/id6742145178)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MailMyHtml free?

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

### Is Relay Check free?

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

### Do MailMyHtml or Relay Check have ads?

Neither MailMyHtml nor Relay Check shows ads.

### Which is updated more often, MailMyHtml or Relay Check?

MailMyHtml ships an update every 5 months, and Relay Check every 4 months. Most recently, MailMyHtml was updated on October 11, 2026 and Relay Check on October 14, 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.*