Airplus vs Subwoofer Box Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Airplus
This utility app allows for the debugging and adjustment of car audio device parameters. It connects via Bluetooth to modify settings and optimize sound output.
- App debugging for car audio
- Bluetooth connectivity
- Parameter adjustment
- Device settings modification
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Airplus P12 is an app debugging software for car audio devices, which adjusts various parameters of the device through Bluetooth connection.
Subwoofer Box Calculator
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Subwoofer Box Calculator provides car audio enthusiasts, custom fabricators, and DIY builders with precise acoustic engineering tools for subwoofer enclosure design. Whether designing a compact sealed enclosure for tight, punchy sound quality or a high-output ported box tuned for deep bass SPL, Subwoofer Box Calculator delivers instant calculations and complete woodworking cut sheets. CORE CAPABILITIES: • Sealed & Ported Enclosure Design: Calculate gross internal volume, net volume, target resonance, port surface area, and physical port length. • Automated Cut Lists: Generate comprehensive cut sheets with exact dimensions for every panel based on your specified material thickness (MDF, birch plywood, etc.). • Accurate Displacement Compensation: Easily factor in subwoofer driver displacement, port wall volume, and internal bracing for true acoustic volume. • Metric & Imperial Measurements: Effortlessly switch between inches, cubic feet, centimeters, and liters. • Quick Presets & Full Customization: Start quickly with standard driver diameters (8, 10, 12, 15, and 18 inches) or build fully custom boxes from your exact dimensional constraints. • Save & Manage Projects: Keep all your enclosure designs organized on your device, duplicate builds for quick comparison, and export cut sheets. • Hardware & Parts Guide: Browse recommended components including terminals, damping material, port flares, and assembly supplies. Achieve optimal bass response and build your next subwoofer enclosure with confidence.
Screenshots
Verdict
The clearest difference is ads: Airplus at none against Subwoofer Box Calculator's shown. Subwoofer Box Calculator's advantage is update cadence (every 3 weeks vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Airplus ships an update every 5 months, Subwoofer Box Calculator every 3 weeks. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.
| Parameter | Airplus | Subwoofer Box Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 65 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Guang Dong Sound Power | Sahar Yehezkel Avraham |
In-app purchases
Airplus
No in-app purchases
Subwoofer Box Calculator
No in-app purchases
Questions
Is Airplus free?
Is Subwoofer Box Calculator free?
Do Airplus or Subwoofer Box Calculator have ads?
Which is updated more often, Airplus or Subwoofer Box Calculator?
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