HomeAppsToolsAV Tools ProApps like AV Tools Pro Here are some great alternatives to AV Tools Pro by Dan Sullivan : Frequency Sound Generator ★4.8 Tone Generator ★4.2 Decibel Meter : dB Sound Level ★4.0 Audio Wizard - Calculators ★4.7 PAcalculate ★4.3 DD Toolbox ★3.8 SPKRS - Speaker Calculator ★3.6 Frequency Sound Generator ★4.7 Hz Frequency Sound Generator ★4.3 AudioTool ★4.6 Multi-Frequency Tone Generator ★4.2 Frequency Sound Generator ★4.0 Frequency Sound Generator ★4.2 Speaker Box Lite ★3.8 Frequency Sound Generator ★3.9 Function Generator ★4.4