Sub System vs SEA
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Sub System
This app allows audio engineers and sound designers to visualize sound pressure levels and their interactions. Users can place virtual speakers and microphones, manipulate them with touch gestures, and observe colorful graphs of SPL and frequency response to understand acoustical summation.
- Virtual speaker placement
- Sound pressure level visualization
- Frequency response graphs
- Virtual microphone simulation
- Touch-based manipulation
- Acoustical summation understanding
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An app for audio engineers and sound designers. It will let the user place virtual speakers around and see the sound pressure levels that they produce, including the interactions between sources. Colorful graphs for SPL. Frequency response based on virtual microphones. Speakers and Mics are moved around using touch functions. Zoom in, out. All graphics are touchable. Best use is to understand how acoustical summation is produced.
SEA
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Screenshots
Verdict
The clearest difference is price: SEA at Free against Sub System's $24.99. Sub System's advantage is in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 2 months). On ads, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
SEA is free to download; Sub System costs $24.99 up front. SEA sells 3 in-app purchases, starting at $3.99 per month. Sub System asks for nothing beyond the download.
Sub System ships an update every 3 weeks, SEA every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Sub System | SEA |
|---|---|---|
| Price | $24.99 | Free ā better |
| Positive reviews | 100.0% of reviews | ā |
| Update frequency | Every 3 weeks ā better | Every 2 months |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Monetization | Paid | ā |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details ā not scored | ||
| Size | 89 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | sebastian rivas | Davy Raitt |
In-app purchases
Sub System
No in-app purchases
SEA
- Pro Monthly$3.991 Month
- Pro Yearly7 Days trial$14.991 Year
- Pro Lifetime$19.99
Questions
Is Sub System free?
Is SEA free?
Do Sub System or SEA have ads?
Which is updated more often, Sub System or SEA?
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