dB Convert vs Polarity pulses
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dB Convert
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RF Utility for converting between dB units and Power.
Polarity pulses
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Reversed speaker phase kills your sound: weak bass, floating soundstage, lost stereo imaging—even golden ears struggle to spot it. Speaker Phase Polarity Check is the essential tool for audio installation & tuning. No expensive gear needed—use your phone’s mic to quickly verify speaker polarity & phase alignment for car, home, stage, line array & studio monitors. Key Features • Audio Capture: Record test tones via your phone microphone • Local Analysis: Offline processing, clear in-phase/reversed result • Adjustable Parameters: Adapt to different drivers, enclosures & setups • All Scenes: Car audio, home theater, stage PA, studio monitors Privacy & Permissions Only Microphone access required for audio sampling. All data processed locally—no uploads to servers. Your privacy is protected. Who It’s For Car audio installers, sound engineers, live sound technicians, audiophiles & shop pros. Eliminate wiring mistakes & cut troubleshooting time.
Screenshots
Verdict
The clearest difference is price: Polarity pulses at Free against dB Convert's $0.29. Polarity pulses also leads on update cadence (every 2 days vs every 8 days) and iOS requirement (12 vs 17.0). dB Convert's advantage is in-app purchases (none vs 1). On ads 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
Polarity pulses is free to download; dB Convert costs $0.29 up front. Polarity pulses sells 1 one-off in-app purchase. dB Convert asks for nothing beyond the download.
dB Convert ships an update every 8 days, Polarity pulses every 2 days. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.
| Parameter | dB Convert | Polarity pulses |
|---|---|---|
| Price | $0.29 | Free — better |
| Update frequency | Every 8 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 12 — better |
| Further details — not scored | ||
| Size | 1 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeff Curtis | 小慧 罗 |
In-app purchases
dB Convert
No in-app purchases
Polarity pulses
- Unlock Full Access$1.99
