Mercury for Mastodon 17+

Daniel Nitsikopoulos

    • 3.6 • 34 Ratings
    • Free
    • Offers In-App Purchases

iPhone Screenshots


Introducing Mercury, a customisable client for the Mastodon and Pleroma social networks!

Notable features of Mercury:
- Customise swipe gestures to shortcut actions you perform often
- Choose a custom theme to personalise the app to your tastes with automatic dark mode switching
- Listen to audio uploaded to the Fediverse
- Save a list of hashtags that you would like to follow
- Add descriptions to images and GIFs that you upload
- Support for custom emoji when posting a status
- Open Twitter and Reddit links in popular native apps
- Create custom timeline filters
- Translate status text
- Bookmark statuses
- Schedule statuses
- Manage lists
- Multiple account support
- Create polls
- All without ads

What’s New

Version 2021.4

Hey Folks!

Got a fairly big update coming your way this time. New in 2021.4 is:

- Drafts
Save your in-progress posts and return to them later.

- Delete and re-draft
Delete your posts and open them up in a new compose window to correct any typos of meanings. Any attached media will be kept and can be removed or added to when re-composing.

- Follower alerts
Get notifications when select followers post new statuses. With version 3.3.0 of Mastodon, you're able to selectively enable alerts to be notified when people you follow post a status. This option will be available in Mercury for people you follow if your instance supports this feature.

- Replies and thread view
When viewing a status' details, you can now switch between the thread and replies for that status.

- Keep CW posts open
This one does what it says on the tin. When you reveal text behind a content warning, scrolling away and coming back will not re-hide the text.

Other fixes:
- Fixed an issue that prevented logging in to Pleroma
- Cleaned up some UI things
- Hopefully fixed a background crash that would prevent the timelines from loading properly on launch

Thank you to everyone for all your support, questions and suggestions!

Ratings and Reviews

3.6 out of 5
34 Ratings

34 Ratings

Chessmaster One ,


Messages overlap each other. Too many buttons / menus. Not aesthetically pleasing

Developer Response ,

Hey Chessmaster One👋🏼

Would you be able to email me a screen shot of the overlapping you're seeing? Feel free to scrub out any identifying text etc. This is not something I've seem before and would be keen to iron it out!



ekoeminha ,

My go-to free Mastodon/fediverse app

Shocked to see the reviews being so low. This app is great, clean looking, functional and overall a better experience than other free alternatives.

A couple things I'd want, though:

- There does not appear to be the ability to modify cover art.

- The Mute User option does not appear to work.

If I think of anything more/notice something I'll update this. Thanks for a great app!!

Developer Response ,

Hey ekoeminha!

Thanks for the kind words :) I really appreciate that, and thanks for your suggestions too.

- Yes! I agree, I want to add more profile editing fields along with the cover art :)

- Mutes are a little weird, the muting itself should be working, but any toots from the muted user will remain cached in the timeline on your phone. I have made a note to adjust this to remove cached toots from muted users.

I'm glad to hear you're enjoying the app, and feel free to hit me up with anything else you think of.

jbstrick ,

Unsupported Instance.

This message keeps popping up when trying to authenticate to several instances.

What is not supported? A little more detail would be helpful.

UPDATE: Developer response was helpful. Any forum which he has designated as a “Free Speech” Zone is blocked. These hots can change at anytime without notice. I am glad he was truthful in his response. However, I do not trust some unknown and unaccountable authority permitting/denying access to servers arbitrarily.

Look elsewhere for a client.

Note: The server I was trying to access had nothing to do with the topics mentioned in the note.

Developer Response ,

Hi jbstrick

There's a notice on the App Store product page that mentions that Mercury does not support logging in to instances like Gab or its spinoffs. There's also a section on the help page that outlines the unsupported instances ( and the reason behind not supporting them.

I suspect that the instances you're trying to log in to are on that list. If they are not, let me know the instance and I will have a look.

App Privacy

The developer, Daniel Nitsikopoulos, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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