Comparison

JP vs Leaf Light

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

Head to head
About

JP

Features
Read full description

An iPhone app that recreates the legendary analog polyphonic synthesizer. [Key Features] 8 Analog Synth Voices: JP-Brass / JP-Strings / JP-Warm Pad / JP-Choir / JP-Saw Lead / JP-Square / JP-Bass / JP-Bell Authentic VCF Control: Manipulate Cutoff, Resonance, and ENV in real time. Shape your sound freely by sweeping the filter. ADSR Envelope: Intuitively control Attack, Decay, Sustain, and Release via sliders. Arpeggiator: 5 patterns (Up, Down, U&D, As Play, Random) with adjustable BPM and octave range. Split Mode: Split the keyboard into two zones to play two different sounds simultaneously. Solo Mode: Monophonic operation tailored for searing lead lines and solo play. Reverb & Chorus: Add depth and space to your sound with built-in spatial effects. Pitch Lever: Perform expressively with real-time pitch bends. LFO / VCO Control: Create rich, evolving textures with modulation. [Recommended For] Fans of iconic '80s synth sounds. Music producers and DTM creators. Anyone looking to enjoy synthesis on the go. Those who love the signature "JP voice" sound. *This app contains ads. *Using headphones or external speakers is highly recommended for the best sound experience.

About

Leaf Light

This app offers a unique audio experience, simulating a lightfield lenticular ambiance machine with flanger, delay, and reverb effects. Control sound parameters through a simulated tree canopy, blending natural sights and sounds for relaxation or musical creativity.

Highlights
  • Lightfield lenticular ambiance machine
  • Flanger, delay, and reverb effects
  • Simulated tree canopy control
  • Time of Day, Brightness, Wind parameters
  • Camera Distance, Aperture Focus, Light Trails effects
  • Standalone or AUv3 host compatibility
Features
Read full description

Are you looking for a beautiful white noise machine to match your aesthetic and soothe your soul? Are you looking for a truly unique instrument effect for your music? What if we thought of your incoming instrument signal as the sun, split it through a tree canopy into dozens of copies, and then shifted the timing of those signals as the tree moved? Relax and invigorate with the natural sights and sounds of Leaf Light - the world's first lightfield lenticular ambiance machine and flanger/delay/reverb. With all parameters controlled by a simulated tree canopy, you'll be able to dial in the perfect sound with both your eyes and ears. Tune in the: - Time of Day (sound color) - Brightness (rays of sound, hi-freq) - Wind (motion of sounds) And for effect modes: - Camera Distance (Delay time and spread) - Aperture Focus (Lo-pass filter on repeats) - Light Trails (Delay feedback) Leaf Light is a new way to see and hear nature in unnatural environments. Enjoy the app in standalone or with AUv3 hosts. Headphones are recommended :)

Screenshots

JP4 screens
Leaf Light4 screens

Verdict

The call

The clearest difference is update cadence: JP at every 2 weeks against Leaf Light's every 6 weeks. Leaf Light's advantage is iOS requirement (17.0 vs 26.5). 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

JP ships an update every 2 weeks, Leaf Light every 6 weeks. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 7 level
JP versus Leaf Light: the parameters behind the verdict, then further details
ParameterJPLeaf Light
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 2 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.517.0 — better
Further details — not scored
Size37 MB4 MB
Age rating4+4+
DeveloperKouki YoshimotoRadii Research

In-app purchases

None

JP

No in-app purchases

None

Leaf Light

No in-app purchases

Questions

Is JP free?
JP is free to download, with no in-app purchases.
Is Leaf Light free?
Leaf Light is free to download, with no in-app purchases.
Do JP or Leaf Light have ads?
Neither JP nor Leaf Light shows ads.
Which is updated more often, JP or Leaf Light?
JP ships an update every 2 weeks, and Leaf Light every 6 weeks. Most recently, JP was updated on October 14, 2026 and Leaf Light on October 9, 2026.

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