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
Train Cabin Sound EffectGunfire Crashed Sound EffectA Sigh of Sound(Satisfaction)Gorilla RoarSound of EatingSurprised Sound Effect Crowd Chanting Sound EffectSpitting Voice Sound of Thunder Women in The Hallway(Fast) Sound Effects
Soundany.comFunny Ringtones and Timer! Play and Countdown Online!
Sound of Thunder 
Water Noises
Frightened Sound
Hi, if you can share Soundany to friends, that Soundany will be faster development, thank you!