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Apps for sale

Existing projects listed by their creators. Each one has a fixed price, real screenshots and an honest account of what works and what's unfinished. Every project sells once, to one buyer.

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Results

129 results

For saleWorking prototypeMusic & audio

GroovePost Pocket Drum Machine

AI-generated 16-step drum studio with synthesized sounds, swing, tap tempo, saved patterns, and four-bar stereo WAV export.

$79
For saleMostly builtMusic & audio

Harbor Cut

AI generated PCM preparation desk with sample trimming, level measurements, channel editing and 24 bit WAV export.

$105
For saleMostly builtMusic & audio

Interval Atlas

AI generated ear trainer with adaptive intervals, eight chord qualities, original tones and portable session files.

$80
For saleWorking prototypeDeveloper tools

JSONJetty JSON format & compare

AI-generated Format, validate, and structurally compare two JSON values without sending their contents anywhere.

$69
For saleWorking prototypeProductivity

LineLark Line by line text cleanup

AI-generated Trim, deduplicate, sort, affix, and number text lines with a clear preview and TXT export.

$39
For saleMostly builtMusic & audio

MIDI Moss

AI generated MIDI file utility for transposition, quantization, velocity shaping and deterministic timing variation.

$115
For saleWorking prototypeTrackers

Milepost

A mileage log for business travel: log trips in seconds and see your claim, with the UK's tiered rate and tax-year totals.

$110
For saleWorking prototypeHobbies

MoonParcel: Lunar courier landing game

AI generated Guide a little lunar courier through three landing missions with fuel, momentum and a careful touch.

$79
For saleMostly builtMusic & audio

Mosaic Spool

AI generated slice instrument with original source recordings, playable pads, a sequencer and portable audio sessions.

$140
For saleWorking prototypeProductivity

OrbitDesk Focus & rest timer

AI-generated Run a focus timer, pause when you need to, and keep a simple log of completed focus phases.

$49
For saleWorking prototypeHobbies

OrbitInk: Radial drawing studio

AI generated Draw a line and watch it become an ornamental circle, with mirrored strokes, warm palettes, and vector export.

$79
For saleWorking prototypeSimple calculators

PageFold Booklet page order calculator

AI-generated Map booklet page numbers to sheet fronts and backs, with blank padding and separate signatures.

$39
For saleWorking prototypeSimple calculators

PantryRatio Recipe & batch scaler

AI-generated Scale ingredient quantities, estimate batch costs, and make a combined shopping checklist.

$49
For saleMostly builtMusic & audio

Paper Lantern

AI generated eight bar chord arranger with nearby voicings, bass, arpeggios and MIDI and WAV rendering.

$125
For saleMostly builtMusic & audio

Pendulum Field

AI generated rhythm practice clock with polyrhythms, tempo ramps, silent bars, tap tempo and WAV rendering.

$75