Comparison

ptune vs Sound With Bones

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ptune

Features
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pTune is a fast, accurate polyphonic tuner built for guitar players who want to spend less time tuning and more time playing. POLYPHONIC TUNING Strum all six strings at once. pTune detects every string simultaneously and shows you exactly which ones need adjusting — no more tuning string by string. CHROMATIC TUNER Need to tune any single note? The chromatic tuner detects any pitch with high precision and shows cents off perfect. BUILT-IN METRONOME A clean, precise metronome with adjustable tempo and time signature — perfect for practice sessions. KEY FEATURES • Polyphonic detection — tune all strings in a single strum • Chromatic mode for any instrument or alternate tunings • Adjustable reference pitch (A = 415–466 Hz) • Custom tuning profiles • Adjustable detection speed • Built-in metronome with haptic feedback • Clean, distraction-free dark interface • Works offline — no internet required • No ads, no tracking, no account required PRIVACY FIRST pTune processes audio entirely on your device. Nothing is recorded, stored, or sent anywhere. The microphone is used solely for real-time pitch detection. Designed for acoustic and electric guitarists, beginners and pros alike.

About

Sound With Bones

Create unique musical instruments by drawing physical structures. Hear your creations sing, then manipulate their mass and stiffness to shape the sound. Record and edit performances, or export your creations as audio files.

Highlights
  • Draw physical instruments
  • Shape sound by adjusting mass and stiffness
  • Record and edit performances
  • Export audio and editable workshops
  • Two-handed play with damping and pinning
  • Learn physics through sound experiments
  • AUv3 instrument for music apps
Features
Read full description

Draw a structure you can play. Hear it sing, then record how you change it while it rings. Sound With Bones is a physical modeling instrument built from your drawings. A sketch becomes connected joints whose mass and stiffness shape the sound. Pluck a joint, cut a ringing connection, then repair it and hear the structure change. HEAR YOUR DRAWING SING Tap Listen and your drawing plays a whole song, tuned from its own resonances. Change the shape and the same song sounds new. Soft Geometry, an original, and Twinkle, Twinkle are free. SHAPE SOUND BY LISTENING Choose a brighter or less bright sound. The Workshop proposes small changes to a joint's mass or a connection's stiffness. Compare each edit with the same strike, reference pitch, duration and listening level. Keep a version or return to your original. CHANGE THE INSTRUMENT AS IT PLAYS In Workshop > Perform, record the strikes, cuts and repairs you play. Keep the take as editable actions on a beat timeline. Move an action, adjust the tempo and replay it from the drawing captured at the start. A cut changes the sound already ringing. You can also arrange actions by hand. With Plus, export the performance as WAV with its editable workshop. MAKE A FAMILY OF RELATED SOUNDS Create soft, firm, edge and broken variations from one drawing. Edit the strike location, force, softness and connection cut, and hear each one. With Plus, export named 24-bit stereo WAV files at 48 kHz together with the workshop, drawing and recipes. PLAY WITH TWO HANDS Hold one joint while another finger plucks the shape. Damp removes energy where that joint moves. Pin constrains the held joint and changes its resonances. Release it to hear the original structure again. LEARN BY LISTENING Predict what lighter joints will do, hear the natural resonance change, then try an unfamiliar drawing. Isolate one vibration mode or listen to local damping. Save your prediction, measured result and both sounds. Reopen the exact comparison even after changing your current drawing. These experiments use the same physical model as your instrument. BRING YOUR DRAWINGS INTO A MUSIC APP The included AUv3 instrument responds to MIDI notes, velocity and sustain in compatible hosts. Open an exported drawing or workshop in the plug-in. Its drawing is saved with the host project. KEEP YOUR WORK Save instruments, recordings and workshop versions locally. Share editable drawings and workshops through Files. Export recordings as M4A, or import supported audio into your library. Imported recordings remain audio clips; they do not become physical instruments. SOUND WITH BONES PLUS Drawing, playing, cutting, recording, saving, sharing, Workshop comparisons, performances, learning and the AUv3 instrument are free. Plus adds: • 8 more songs, including Für Elise, Canon in D, Bach's Prelude in C and Gymnopédie No. 1 • 8 sculpted shapes: Ribcage, Wishbone, Shell, Bell, Harp, Kalimba, Star and Web • Recordings up to 10 minutes (free recordings stop at 1 minute) • 24-bit WAV export of sound families and Workshop performances • New songs and shapes as they are added Plus is available as a yearly subscription with a 7-day free trial, a monthly subscription, or a one-time lifetime purchase. Payment is charged to your Apple Account when you confirm, or when the free trial ends. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. No account or microphone access is required. Synthesis and recording run on your device. Synthesized sounds come from the drawing's physical model. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sound-with-bones.netlify.app/privacy

Screenshots

ptune4 screens
Sound With Bones4 screens

Verdict

The call

The clearest difference is update cadence: ptune at daily against Sound With Bones's every 3 days. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ptune ships an update daily, Sound With Bones every 3 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

Scorecard1 real difference · 9 level
ptune versus Sound With Bones: the parameters behind the verdict, then further details
ParameterptuneSound With Bones
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyDaily — betterEvery 3 days
AdsNoNo
In-app purchasesNoNo
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.0
Further details — not scored
Size2 MB5 MB
Age rating4+4+
DeveloperBE MUHENDISLIK TICARET LIMITED SIRKETINo Worries! Lifestyle, LLC

In-app purchases

None

ptune

No in-app purchases

None

Sound With Bones

No in-app purchases

Questions

Is ptune free?
ptune is free to download, with no in-app purchases.
Is Sound With Bones free?
Sound With Bones is free to download, with no in-app purchases.
Do ptune or Sound With Bones have ads?
Neither ptune nor Sound With Bones shows ads.
Which is updated more often, ptune or Sound With Bones?
ptune ships an update daily, and Sound With Bones every 3 days. Most recently, ptune was updated on October 7, 2026 and Sound With Bones on October 3, 2026.

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