Yes for iPhone. eharmony has a mobile app for both iOS and Android, and you find it by searching eharmony in the app store on your device. On iPad you may need to change one search setting to see it. There is no separate Mac app in its App Store listing, but the website works in Safari on a Mac, so a Mac user is covered.

The iPhone app

Open the App Store, search for eharmony and look for the listing titled eharmony: dating & real love. The app needs an up-to-date enough version of iOS, and the listing shows the exact minimum for your phone.

If you see a message that the app is not compatible with your device, eharmony says you may be on an older operating system. The fix is to update your phone or try another device.

iPad

An iPad can run the app, but the App Store may hide it. eharmony's help center says iPad users may need to change the App Store search options from iPad-only to iPhone to find the app.

That is a quirk of how the store filters, not a sign the app is missing. Change the search to iPhone, and the same listing appears.

Apple Vision

The App Store listing also shows an Apple Vision version, which requires visionOS. If you own that device, the listing is where you check whether yours qualifies. Most men will use the iPhone app.

Mac

The App Store listing shows no separate Mac app. That does not leave you without options. eharmony's help center names Safari on Macintosh among the browsers its website supports. The same list includes Microsoft Edge, Mozilla Firefox, Google Chrome and Samsung Internet.

So on a Mac, open the site in Safari and log in. The same account works there as on your phone.

Phone or website

Both do the same job, and the right one depends on how you use it. The site is better for the long parts. Filling in the Compatibility Quiz and writing your profile answers is easier on a full keyboard and a bigger screen, and it is easier to read what you wrote and fix it.

The app is better for the daily part. Checking your Discover list, seeing who replied and answering while it is fresh is quicker on a phone. A reply sent within a few hours reads as interested, and the phone makes that easy.

A sensible split is to set up the page on a computer, then run the daily work from the phone.

Keeping the app useful

An app you open once a week does little. Set a small routine: check the Discover list, write to the one or two women whose pages you liked, and answer anyone who has replied. Ten focused minutes beat an hour of scrolling.

Take care with your phone in public places too. Writing a thoughtful message on a train is fine, but a half-finished reply sent in a hurry reads as careless. Wait until you can write one clear sentence about something on her page, then send it.

Which account to use

Make sure you log into the same account on every device. A second account created by accident splits your history and confuses the women you have already written to. If you cannot log in on a new device, use the same email address and password you used at sign-up.

Also check where you pay. If you buy Premium through the App Store, the subscription is managed in your Apple Subscription settings, not on the website. Know which route you took, because that is where you go to cancel.

Before you spend anything

Download the app and join on the free Basic membership first. Basic has no time limit and includes unlimited matches and the ability to send and receive Likes. You can find out whether the site suits you without paying.

a dating coach's rule for any paid feature is to test it and judge it by what it produces. Count a few things over two or three weeks: Likes returned, women who replied, plans to meet and dates that happened. If the free version is giving you conversations, Premium may be worth it. If it is not, no app on any device will fix photos that do not show your face or a first line that says nothing.

Make the first screen count

Whatever device you use, a woman sees your first photo before anything else. Use a clear, daylight close-up in which your face is visible, and check how it looks on a small phone screen. If you cannot tell it is you at thumbnail size, choose another.