Comparison

J vs Pathfinder Sketch

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

Head to head
About

J

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J-Chorus is a vintage BBD-style chorus for iPhone and iPad. Use it as a standalone audio app or insert the included AUv3 effect in a compatible host such as GarageBand. Its circuit-informed processing models the character of a 256-stage BBD path, op-amp modulation source, and compander. Three classic modes provide bright movement, deeper richness, or a combined wide stereo sound. Aging adds adjustable clock instability and noise for a more weathered response. FEATURES - Mode I, Mode II, and combined I+II - Adjustable Aging for BBD jitter and noise character - Equal-power Depth dry/wet blending - Adjustable input gain - Instrument and line input modes - Optional 2x and 4x oversampling - Standalone iOS/iPadOS app - AUv3 audio effect for compatible hosts TRY BEFORE UNLOCKING The app provides 10 minutes of full-featured active use, shared between the standalone app and AUv3 extension. Demo time advances only while audio is actively processing. A one-time, non-consumable In-App Purchase unlocks unlimited use in both formats. Restore Purchases is available in the standalone app. J-Chorus adds rich stereo movement to synthesizers, guitar arpeggios, electric piano, vocals, pads, and other melodic sources.

About

Pathfinder Sketch

Features
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Pathfinder Sketch turns your phone into a hands-on controller for the free Pathfinder plugin running on your computer โ€” and a full playable instrument on its own. Draw a path across a living field of glowing spheres and Pathfinder plays every sound it crosses. Pass the phone around the room and up to four people jam together on the same field, each drawing their own line in their own color. NO COMPUTER? NO PROBLEM. Tap "Try the Demo" for a complete, playable session that runs entirely on your phone โ€” a real drum kit scattered across the field, ready to draw through. It's the whole idea in your hand, free, with nothing to install. WITH THE FREE PATHFINDER PLUGIN: - Pair in seconds by scanning the on-screen QR code, or tap your computer from the list of sessions on your network. - Draw paths to play the plugin's field live from your phone. - Up to four players share one session โ€” first come, first served, with spectators promoted into open slots automatically. - Monitor the mix through your phone with headphones, streamed low-latency over your own Wi-Fi. - Everything musical stays on your local network. Nothing about your sessions is sent anywhere. TRY FREE, THEN UNLOCK: Sketch is free to download and comes with a 7-day trial of the full performance suite. A one-time Pro unlock ($19.99, no subscription) keeps arp and gate, scenes, TURNS mode, and unlimited patterns โ€” and it's shared with your whole Family Sharing group. Get the free Pathfinder plugin for macOS and Windows at audiotechhub.com. No accounts. No ads. Your jam never leaves your own network.

Screenshots

J2 screens
Pathfinder Sketch2 screens

Verdict

The call

J and Pathfinder Sketch are too close to call on the numbers: across 5 compared parameters โ€” price, ads, in-app purchases and device support among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. J sells 1 one-off in-app purchase and Pathfinder Sketch sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
J versus Pathfinder Sketch: the parameters behind the verdict, then further details
ParameterJPathfinder Sketch
PriceFreeFree
Update frequencyโ€”Weekly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS16.016.0
Further details โ€” not scored
Size28 MB2 MB
Age rating4+4+
DeveloperShoma KondoAudio Tech

In-app purchases

1 purchases

J

One-time1
  • J-Chorus Full Version$4.99
1 purchases

Pathfinder Sketch

One-time1
  • Sketch Pro$19.99

Questions

Is J free?
J is free to download, with in-app purchases available.
Is Pathfinder Sketch free?
Pathfinder Sketch is free to download, with in-app purchases available.
Do J or Pathfinder Sketch have ads?
Neither J nor Pathfinder Sketch shows ads.

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