
Sound Control
EarTrumpet
Volume2
eqMac
KMix
Audio Sliders
Rectangle
The sound control that should be built into MacOS

Stripo
BeeFree.io
Topol.io
Chamaileon.io
HTMLEmail.io
Unlayer
Templates by Email Monster
Create, edit and manage awesome email newsletters 😻

Which is more popular?
Based on our record, SoundSource seems to be a lot more popular than Postcards. While we know about 127 links to SoundSource, we've tracked only 4 mentions of Postcards.
Website, pricing, platforms and company facts side by side.
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| Website | rogueamoeba.com | designmodo.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Postcards is particularly recommended for marketers, designers, and small business owners who need to create professional email campaigns efficiently. It is also suitable for teams and organizations that want to streamline their workflow in crafting visually appealing email communications.
Walkthroughs and reviews on video.
Using Rogue Amoeba's SoundSource to Control Audio on Your Mac - SoundSource Review
More videos
Postcards From Penguin - Vintage Penguin Books Postcards - Unboxed And Reviewed!
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using SoundSource and Postcards. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of SoundSource yet. Be the first one to post
The business license has all unlocked blocks, you can choose from 900+ Google Fonts, export to any email software you like. A license is $15 / month. Designmodo’s Postcards works with predesigned blocks and elements...
Recommendations tracked on public social media and blogs since March 2021.


Per-app mixing on the first-level menu. I like SoundSource on macOS for the same reason: https://rogueamoeba.com/soundsource/. - Source: Hacker News / 7 months ago
Do I need this if I already use something like SoundSource[1] to manually set the input source that's not the AirPods microphone? [1] https://rogueamoeba.com/soundsource/. - Source: Hacker News / about 2 years ago
This is hilariously biased. This is HN, you're not talking to people who don't know what Linux is. Hell, a huge portion of us are linux engineers of various sorts. You're also in a thread literally about a linux app. Anyway. I would... - Source: Hacker News / about 3 years ago
Postcards - Create awesome emails with drag & drop simplicity. - Source: dev.to / about 2 years ago
Know any good email template creators like https://designmodo.com/postcards/ or https://stripo.email/ ?P.S. Only needs to have an export HTML option. Not looking for email campaign tools. Source: over 3 years ago
Postcards is an HTML email template builder that gives its users access to a platform that allows them to communicate with their team in a multitude of ways. Your team will have the ability to share things in a joint cloud account,... - Source: dev.to / almost 5 years ago
When comparing SoundSource and Postcards, you can also consider the following products.


Stripo is an all-in-one email builder with a drag-and-drop editor and full HTML/CSS code editor in one tool, cutting production time by 3.7× — build emails of any complexity, including interactive AMP, really fast and easy.
Compare Stripo to SoundSource or Postcards:


Bee is MailUp's drag-&-drop editor for responsive design emails.
Compare BeeFree.io to SoundSource or Postcards:

Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.
Compare Volume2 to SoundSource or Postcards:

Create professional Email templates easily - Drag & Drop Email Builder.
Compare Topol.io to SoundSource or Postcards: