Check the acquisition promise
Read the store headline, screenshots and description. What problem is the app promising to solve?
Study the storefront ↗sayitsforever · iOS
Explore the ad evidence, study the storefront, and build your next acquisition hypothesis.
01 / Creative research
Read the store headline, screenshots and description. What problem is the app promising to solve?
Study the storefront ↗Explore apps with direct store-link matches. Compare their hooks and formats without assuming the same approach works here.
Browse observed advertisers ↗Store rankings and revenue estimates describe market context. They do not establish ad spend, conversions or ROAS.
Review the market context ↗02 / Storefront & product
Study the product story and store experience behind the acquisition funnel.
03 / Market context
Keep revenue, downloads and store rankings separate from advertising performance.
Can't save the files, on iOS 18 and 17 just saves as a text file.
So I’ve been able to take a look at how videos and files sound, which is great. I’ve imported a file that a minute and 48 seconds long, next I imported a file that was about two minutes long, but now I’m trying to import a file that is 14 minutes long. Whenever I import the 14 minute long file, the app crashes. I am on iOS 15.2.
Thank you to the developer, sayitsforever! The only free app that will create stems from mp3 files. If you integrated the ability to easily send stems to GarageBand/BeatMaker 3 then I think this app would really take off. Developer note - when I first installed I got an error ‘app extension not found’. ALSO PLEASE TAKE A LOOK AT THE STEM EXPORT FUNCTION (I get a text file when I attempt to ‘Save to Files’)
Extvocal Pro is an app for music source separation. It separates an audio file into 5 stems - vocals, drums, bass, piano and other. You can export th...