Stackapella Open the app

Stackapella and Acapella

As of November 2026

Acapella, from PicPlayPost, is an iPhone and iPad app for recording yourself in multi-frame music videos, up to 10 minutes long with Pro, and collaborating with friends. Stackapella is for learning harmony: it teaches each part by ear, listens as you sing, and stacks your parts in time.

Who each is for

Acapella is for

  • Making split-screen music videos of yourself.
  • Making music videos with friends.
  • Recording songs up to 10 minutes long, with Pro.

Stackapella is for

  • Learning a part by ear, with feedback on your pitch.
  • Free courses, from your first note to four-part harmony.
  • Parts suggested for your own tune, and share videos with the words.

Side by side

Acapella Stackapella
Where it runs iPhone and iPad. Android: not stated by its maker12 In any modern browser, on phones and computers. It installs like an app; there's no app-store app yet
Price Free with in-app purchases: Singing App Pro $9.99 a month, Multitrack Editor Pro $47.99 a year, packs from $0.99 to $7.99 (US App Store)1 Free to learn. Plus is $4.99 a month or $39.99 a year
Learn a part by ear, with live pitch feedback Not stated Yes: hear each part from a guide voice, then sing it while your notes light up as you hit them
Record your own parts, stacked in time Yes: multitrack, multi-frame videos, up to 10 minutes with Pro12 Yes: record each part over the ones before, lined up in time
Harmony parts suggested for your own tune Not stated Yes: sing or hum a tune, and alto, tenor and bass are suggested to fit it
A course from first note to harmony Not stated Yes: free courses, from your first note to four-part harmony, and on skills and styles
Choir tools Not stated. Make music with friends, up to 9 musicians in one song12 Choir groups and practice tracks
Bring in sheet music (MusicXML or MIDI) Not stated Not yet: sing or hum a tune, write it in the note editor, or open a Stackapella file
Languages 111 English
Open source Not stated Yes, under the Attribution Assurance License

"Not stated" means we couldn't find it in the product's own listing or website, not that it's missing.

Where each fits better

Where Acapella fits better

  • You want a video of yourself in a grid of frames.
  • You're making music videos with friends.

Where Stackapella fits better

  • You want to learn harmony parts, with feedback as you sing.
  • You want parts suggested for a tune of your own.
  • You sing with a choir.

Questions

Does Stackapella make videos?

Yes: a share video of your song, with the words shown as they're sung. It's your audio with the words, rather than a split-screen video of each singer.

Does Stackapella work on Android?

Yes, in the browser on Android phones, and it installs like an app.

Is Stackapella free?

Yes: every course and every song in the library, with a free account, and unlimited workouts, your history, singing with friends and choir groups. Plus, for $4.99 a month or $39.99 a year, adds more storage, MP3 and stems, and unlimited private arrangements.

Try Stackapella

Start with your comfortable note. No account needed, and every course is free.

Start singing

Sources

Seen 2 November 2026, on each product's own listing or website.

  1. Acapella on the App Store
  2. Mixcord, Acapella
  3. Google Play search for Acapella from PicPlayPost (no Mixcord Acapella app listed)

Product names belong to their owners. Stackapella isn't connected with any of these products or their makers.