1.You can set each sound's timing time (for example, 5 minutes later) and the number of plays (for example: 5 plays)! 2.The timer dialog box must remain displayed! 3.The timer will be delayed when the device lock screen is displayed until it is displayed normally!
Sound Recommendation
Big Drops of Water(Drip Two Times)Gnawing Sound EffectWalking on Dirt Sound Effect Singing Sound Effects Crowd Shouted and The Footsteps of The ProcessionSound of The Sheep(Called Three Times)Object Impact Sound EffectSounds of Thunder and LightningDisgusting Voice Audience Laughing Sound Effect
Soundany.comFunny Ringtones and Timer! Play and Countdown Online!
Sounds of Thunder and LightningDisgusting Voice Audience Laughing Sound Effect 
Wind Sound
Shouting Sound
Hi, if you can share Soundany to friends, that Soundany will be faster development, thank you!