Tuneful offeringsImage by Rob Schultz\/MacworldThis week's roundup features two new apps to help you manage your music collections, plus offerings to help you maintain your iPhone, navigate the outdoors, and play Pokemon.MusiCloud ProImage by MusiCloudIf you\u2019re still collecting music the new-old fashioned way\u2014your own files, instead of streaming\u2014MusiCloud Pro ($3, iPhone and iPad) is around to help you keep things organized: This app helps you manage and listen to music you store in your own cloud services; it lets you manage your collection via Dropbox or One Drive.SynchronicityImage by SynchronicitySynchronicity (free, iPhone and iMessage) bills itself as \u201cthe first iOS app that makes it easy to compare Apple Music libraries with your friends, over iMessage or WiFi.\u201d Your \u201cSynchronicity Index\u201d tells you how much music you have in common, and lets you easily access links to download, purchase or play music not already in your library.Clean MasterImage by Clean MasterClean Master (free, iPhone and iPad) is designed to help you clean up storage on your iOS device. It can identify duplicate photos to delete, find \u201cuseless videos\u201d that won\u2019t ever see the light of day again, and lets you bulk delete both. It also features network speed tests, a battery health monitor, and tool to track your data usage.EmpowerImage by EmpowerEmpower (free, iPhone) is the latest in a long line of financial-management apps: It lets you see your account balances, set a monthly spending limit, get alerts for credit card charges, and \u201cautosave\u201d extra money without overdrawing your account.Fidget Spinner Game ToyImage by Fidget SpinnerHonestly, we hadn\u2019t heard of \u201cfidget spinners\u201d until last week. Now it\u2019s all we hear about. Fidget Spinner Game Toy (free, iPhone and iPad) is the iOS version of the phenomenon, naturally.Natural AtlasImage by Natural AtlasNatural Atlas ($6, iPhone) is a GPS for when you go off the beaten path, helping you navigate outdoor hiking and biking trips and track your whereabouts topographically. It also aids in the taking of geotagged photos, and has a ton of other features.Pokemon: Magikarp Jump Image by PokemonPokemon: Magikarp Jump (free, in-app purchases, iPhone and iPad) is a game all about \u201cthe weakest Pokemon\u201d \u00a0\u2014 your job is to feed and train the Magikarp so it becomes something more than the weak, useless thing it is into the Charles Atlas of Pokemon.Prizmo GoImage by Prizmo GoPrizmo Go (free, in-app purchases, iPhone and iPad) lets you cut and paste real-world text using your device\u2019s camera: Just shooting, then you can highlight it, copy it, or tap to call phone numbers, send email, or open an address in Apple Maps.Others of noteImage by BettermentClash of the Clans has updated with a brand-new clash \u2026 Betterment (pictured) is an \u201conline financial advisor\u201d that just launched Version 7.0 with a redesigned look. ... Zombie Gunship Survival features zombies, gunships, and survival.