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
Yelling Sound Effects Object Impact Sound EffectCold Wind Blowing Sound Effect Heavy Rain and Wind SoundsFan for White NoiseTelephone Dialing Sound EffectCrowd Laughing SoundFright Sound Effect Eat Something Sound Sound of Thunder
Soundany.comFunny Ringtones and Timer! Play and Countdown Online!
Crowd Laughing SoundFright Sound Effect Eat Something Sound 
Shouting Sound
Sigh Sound
Hi, if you can share Soundany to friends, that Soundany will be faster development, thank you!