HomeAppsToolsAV Tools ProApps like AV Tools Pro Here are some great alternatives to AV Tools Pro by Dan Sullivan : Frequency Sound Generator ★4.7 Tone Generator ★4.2 Audio Wizard - Calculators ★4.8 PAcalculate ★4.3 DD Toolbox ★3.9 SPKRS - Speaker Calculator ★3.7 Ultimate Car Audio App ★4.6 Hz Frequency Sound Generator ★4.3 Frequency Sound Generator ★3.9 Frequency Sound Generator ★4.3 Speaker Box Lite ★3.8 Function Generator ★4.4 Sound Frequency Creator ★4.0 Woofer Box Calculator PRO ★3.9 AudioTool ★4.6 Decibel X PRO: Sound Meter ★4.4