S4_control vs Subwoofer Box Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S4_control
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在这里你可以连接上音箱,里面有许多功能,比如音乐,麦克风,吉他音量都是可以调节的。在个别界面还有均衡功能,也还有见红音效,高中低音等。 让你无须接触蓝牙音箱,在一定距离内就可以控制音箱了。
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: S4_control at none against Subwoofer Box Calculator's shown. S4_control also leads on iOS requirement (9.0 vs 16.4). Subwoofer Box Calculator's advantage is update cadence (every 3 weeks vs every 9 months). On price, in-app purchases and device support 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.
S4_control ships an update every 9 months, Subwoofer Box Calculator every 3 weeks. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.
| Parameter | S4_control | Subwoofer Box Calculator |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 108 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | GUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD. | Sahar Yehezkel Avraham |
In-app purchases
S4_control
No in-app purchases
Subwoofer Box Calculator
No in-app purchases
Questions
Is S4_control free?
Is Subwoofer Box Calculator free?
Do S4_control or Subwoofer Box Calculator have ads?
Which is updated more often, S4_control or Subwoofer Box Calculator?
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