MailMyHtml vs Relay Check
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MailMyHtml
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.
- 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
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With modern mail clients you will have the ability to send the mail content as html. I a time where mails are read on all kind of devices with different screen sizes you might face the need for a more advanced web/html design that you might not be able to obtain in your mail client. Making your responsive web design in a 3rd party application you ends up with your perfect design (e.g. for your newsletter) as a html file with a simple last task in mind - "Now I just have to mail it". At this point you might find out that this simple task might not be as simple as you expected. MailMyHtml to your resuce, saving you for hours of googling to find a solution. Simply MailMyHtml enables you to import your html file from Dropbox and put it directly in the mail body - ready to be send. If you do not have an existing html file, you also have the option to write html directly in the app and preview it before sending it.
Relay Check
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This application serves as a troubleshooting tool for users who rely on the Jamf ZTNA over Network Relay.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 September 24, 2026 and October 14, 2026 respectively.
| Parameter | MailMyHtml | Relay Check |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Dennie Frifeldt | JAMF Software |
In-app purchases
MailMyHtml
No in-app purchases
Relay Check
No in-app purchases
Questions
Is MailMyHtml free?
Is Relay Check free?
Do MailMyHtml or Relay Check have ads?
Which is updated more often, MailMyHtml or Relay Check?
Other comparisons
