HomeAppsMusic & AudioPolarity CheckerApps like Polarity Checker Here are some great alternatives to Polarity Checker by DWA ICT Solutions : Audio Analyzer ★4.4 Volume booster Sound amplifier ★4.3 Volume Booster ★4.5 Subwoofer Bass test ★4.1 Hifi-Apps Speaker Setup 2 ★4.4 Equalizer & Volume Boost PRO ★4.6 Volume Booster - Sound Booster ★4.5 Sound Booster・Increase Volume ★4.6 Speaker Check: Sound Problems ★3.6 Equalizer & Volume Boost ★4.6 Speaker Tester & Cleaner fix ★3.4 Hifi-Apps Subwoofer Optimizer ★4.1 Extra volume booster Maximizer ★4.5 Earphones Test+ ★4.2 Volume Booster Speaker Booster ★4.7 Sound Frequency Analyzer ★3.3