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Blueprint 4-Track

by MAX B HELGEMO

  • Music
  • Paid
  • Small & simple · 100
View on the App Store
Rating
4.9
40 ratings · US storefront
Top 95%among 152 Music apps
Last update
Oct 7, 2026
Version 1.1.2
Size
6 MB
Category
Music
Tracked since
Oct 10, 2026

Estimated revenue

A model estimate with a likely range, not a reported figure.

No estimate. Apps outside the grossing charts, and some countries, have no reliable rank-to-revenue curve, so we show nothing rather than a guess.

How this estimate is made

Rank: we take the app's best Top Grossing rank on the latest chart day. Category ranks are converted into an equivalent overall rank, because a #10 in Finance earns far less than a #10 overall.

Curve: that equivalent rank is read off a rank-to-revenue curve anchored on public company revenue and market-data reports for the US iPhone App Store.

Country: the curve is scaled per country (Japan is roughly a third of the US, Türkiye under 1%). Where we have no scale, such as China, there is no estimate.

Range: the likely range widens with country, category and chart depth. It is a plausible span, not a statistical confidence interval.

Not included: ads, payments outside the App Store, and any difference between gross sales and what the developer keeps. Low confidence means indirect data; medium means several independent sources agree.

Full method

Screenshots

As shown on the App Store listing.

About this app

Text from the App Store listing.

Great for demos, first takes, and fresh ideas: voice and guitar at the kitchen table, or a band passing one phone around the room.

The sound of the machine is built in. Each track has its own set of knobs and there is no undo.

  • Records one track at a time, from the built-in mic, a headset mic, or a USB audio interface.
  • Sends any track through a space echo with spring reverb.
  • Bends pitch and tempo together with a varispeed knob in the master panel.
  • Has track merging/clearing, punch-in recording, and a metronome.
  • Your recordings are WAV files saved on your phone. Share the song, or export the whole session.
  • Works entirely offline and collects nothing.
  • Pay once. No subscription, no ads, no account.
  • Works on iPhone and iPad.

TIPS

  • Overdub with wired headphones, so the mic doesn't pick up the other tracks.
  • Don't use Bluetooth headphones while recording: they add delay, and only play in mono.
  • Tap record while playing to punch in over a part you want to redo.
  • Tap the ? at the top left for a guide to the controls.

Blueprint is made by one person. If something feels confusing or missing, email [email protected] and I will answer.

What’s new

Release notes for the latest version, as written by the developer.

v1.1.2
  • recordings keep playing when you leave the app or lock your phone
  • fixed the channel strip panel layout on iPad in landscape

Rank history

Daily position in the Germany charts. #1 is at the top.

Best rank
#1
Current rank
#4
Days charting
7 of 7

On the charts today

Small & simple score

How realistic it is for a small team to build something like this.

100/100

Small & simple

  • Developer size100% · 25

    Developer: 1 app on the charts

  • Audience size100% · 20

    Ratings: 40

  • App size100% · 10

    Size: 6 MB

  • Price model100% · 15

    Price model: paid

  • Demand proof100% · 30

    Best rank #1, 19 countries

An indicator, not a fact. We can't see team size. Calculated Oct 24, 2026 · method i2

How the score works

Version history

  • 1.1.2LatestReleased Oct 7, 2026