
Volume2
Sound Control
SoundSource
Volumouse
Audio Sliders
Background Music
3RVX
Volume Control for Windows

Postio.co.uk
Ideal postcodes
Fetchify
Smarty
Data8 UK
ZIP Code API
Data8 UK PredictiveAddress
The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | github.com | postaldatapi.com |
| Pricing | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of EarTrumpet yet.
PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate — $0.000028 per query with no tiers or subscriptions. What you get back: Up to 18 metadata fields per postal code — city, state/region, coordinates,...
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
EarTrumpet is recommended for Windows users who want more control over their audio settings, particularly those who often work with multiple audio applications, need to switch between different audio output devices quickly, or desire a more intuitive audio management interface than the default Windows tool.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How to Change Individual App Volume in Windows 10 - EarTrumpet App Review
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


EarTrumpet is free to use for an advanced volume control app for Windows. This tool supports moving apps between various playback devices. It also offers both classic and modern app volumes.
We have no reviews of PostalDataPI yet. Be the first one to post
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Fast UK address, email & phone validation APIs for developers. Official Royal Mail PAF data. Pay as you go, 100 free lookups.
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The sound control that should be built into MacOS
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Fetchify delivers fast, accurate address, email, phone and bank validation tools that help businesses capture clean, verified customer data, reduce failed deliveries and improve checkout experiences worldwide.
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