
MailerLite
Loops.so
Mailmodo
Easymailing
Resend
Designmodo
Stripo
The easiest way to start selling with emails

eqMac
Loopback by RogueAmoeba
SoundSource
Audio Hijack
Boom 3D
Sound Control
AudioCentral
System-wide audio tools for macOS: EQ, per-app volume, room correction, routing, and one-click recording, with zero added latency.

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
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|---|---|---|
| Website | selzy.com | eqbase.app |
| Pricing | ||
| Platforms | — | |
| Company | 2021 | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Selzy is an email marketing platform designed for small and midsize businesses that need an affordable and easy-to-use tool for creating and managing campaigns. With its drag-and-drop email builder and ready-made templates, you can launch a campaign in as little as 15 minutes without any design...
macOS gives you one volume slider. EQBase gives you control over everything your Mac plays. It processes music, browser video, calls, games, and system sounds before they reach your headphones, speakers, or display. Start with a 10-band equalizer and more than 8,600 AutoEQ headphone correction...
What each product offers, as listed by its team.


Walkthroughs and reviews on video.
How To Create An Email Campaign in Selzy
More videos
No EQBase videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Selzy and EQBase.
Selzy's answer
Small and medium-sized businesses.
EQBase's answer:
EQBase is for Mac users who want better control over everything they hear. That includes everyday listeners, headphone enthusiasts, people using external displays or fixed-volume outputs, multi-app power users, creators, and audio professionals who need precise monitoring tools.
Selzy's answer
Selzy is an easy-to-use email marketing tool, even for beginners, and with prices starting at $7.50, it is a cost-effective option.
EQBase's answer:
Choose EQBase when you want more than a basic system equalizer. Its permanent free tier covers everyday EQ, volume control, and headphone correction, while Pro adds parametric EQ, room correction, Audio Unit hosting, App Mixer, routing, and recording. It is built for people who want both an easy first adjustment and deeper control when they need it.
EQBase's answer:
EQBase is sold directly to individual Mac users and does not publish customer names or usage data.
EQBase's answer:
EQBase combines simple everyday controls with professional audio tools in one native macOS app. It can improve laptop speakers, apply a measured headphone correction, control individual app volumes, route audio, and record system sound. The direct signal path adds zero samples of latency and stays bit-perfect when flat, with live verification inside the app.
EQBase's answer:
macOS gives users a master volume slider, but no system-wide equalizer or per-app volume mixer. EQBase was built to fill that gap with a native, modern audio tool that makes basic sound improvements easy while keeping advanced control available for people who need it.
EQBase's answer:
EQBase is built natively for macOS with Swift, SwiftUI, and Core Audio. It uses a user-space virtual audio driver to process system audio without a kernel extension.
Share your experience with using Selzy and EQBase. For example, how are they different and which one is better?
When comparing Selzy and EQBase, you can also consider the following products.

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Get all the power of a high-end studio mixing board, right inside your Mac!
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Helping marketers build interactive emails and get better conversions from email marketing
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The sound control that should be built into MacOS
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