
SoundSource
Volume2
EarTrumpet
Background Music
Volumouse
Audio Sliders
3RVX
App-specific volume control
Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah
Which is more popular?
Based on our record, Sound Control seems to be more popular. It has been mentioned 23 times since March 2021.
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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| Website | staticz.com | zip-codes.com |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Sound Control yet.
API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
What each product offers, as listed by its team.

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

No analysis of Sound Control yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
LizardSkin Sound Control Test
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How often each product is chosen within a category, 0–100% relative to the other.

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

It's been more than two months since Mac OS 15 came out, and we still don't have a functional update to be able to use it even though we have paid for the license.
We have no reviews of ZIP Code API yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.

Not sure it has those specific features but you may want to check out Sound Control. Source: over 3 years ago
SoundControl is exactly this and more: https://staticz.com/soundcontrol/. Source: over 3 years ago
Hey, bro, I think I've found a solution: I installed the SoundControl software, enabled the "Force Soft Volume Control" option. Yay, the volume is now adjustable! Hope this helps you too! Screenshot. Source: over 3 years ago
Tracking ZIP Code API since May 2026.
When comparing Sound Control and ZIP Code API, you can also consider the following products.

The sound control that should be built into MacOS
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Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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