Comparison

KodeLife vs Audulus 4

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

Head to head
About

KodeLife

This app provides real-time GPU shader editing and graphics prototyping. It allows for live-coding of visual effects and supports various input devices for driving visuals. Projects can be easily exchanged across different platforms.

Highlights
  • Real-time GPU shader editing
  • Live-coding for visual effects
  • Graphics prototyping sketchpad
  • Supports audio input and MIDI
  • Cross-platform project exchange
  • OpenGL GLSL and Metal Shading Language support
Features
Read full description

Kodelife is a real-time GPU shader editor, live-code performance tool and graphics prototyping sketchpad. Lightweight App, Heavyweight Power KodeLife gives you 100% native real-time control over your GPU's power with one lightweight app. Real-time Live-Coding Code is checked, evaluated and updated in the background as you type! Quick prototyping of visual effects without having to wait for compilation. Plug and Play Use your device's audio input and all available MIDI connections or connect a gamepad to drive your visuals. Support for external keyboards, mice and trackpads. Multilingual KodeLife supports all supported flavors of OpenGL GLSL, as well as the Metal Shading Language. Cross-platform Support Take your ideas with you! Exchange your projects with KodeLife running on other platforms. Also available on macOS, Windows and Linux.

About

Audulus 4

Create and shape sounds with a professional-grade modular synthesizer environment. Explore a vast library of modules for synthesis and sound design, with the option to expand your toolkit with premium instruments and effects. Available across Apple devices for seamless workflow.

Highlights
  • Modular synthesizer environment
  • Sound design tools
  • Real-time audio shaping
  • Extensive module library
  • Premium Pro Modules (in-app purchases)
  • Cross-device iCloud sync
  • AUv3 plugin support
Features
Read full description

Build synthesizers. Design sounds. Shape audio in real time. All with professional-grade, low-latency performance ready for live use — and it’s free. Audulus gives you a complete modular environment at no cost. Its clean, fluid interface stays out of the way so you can focus on what matters: exploring sound. A modular playground with room to grow — from first experiments to advanced designs. Looking for more? Discover the Pro Module series: premium instruments and effects that show what’s possible when world-class sound design meets true modular freedom. Each Pro Module is crafted specifically for Audulus, giving you new ways to expand your sonic toolkit. Available on iPhone, iPad, and Mac — your modular system travels with you. ▶ What People Are Saying: "gem for Apple platforms – gorgeous, fluid" — Peter Kirn, createdigitalmusic.com "stunning!" — Richard Devine, devinesound.net "Remarkable gesture control" — sequencer.de ▶ Join our forum and Discord community! ▶ What You Get: • Complete modular environment — free to download and explore • Pro Module series — premium modules available as in-app purchases • Available on iPhone, iPad, and Mac with iCloud sync • Standalone app or AUv3 plugin • Deep node library for building from scratch • Extensive module library for synthesis and sound design • Multi-channel signal flow for polyphony and complex routing • Next-gen multi-core audio processing • Smooth, high-performance graphics even with massive patches • MIDI I/O with MIDI learn • GLSL shader node for creating advanced visuals • Lua scripting for custom DSP and vector graphics Terms of Use: https://audulus.com/terms.html

Screenshots

KodeLife4 screens
Audulus 44 screens

Verdict

The call

The clearest difference is price: Audulus 4 at Free against KodeLife's $9.99. Audulus 4 also leads on update cadence (monthly vs every 2 months) and ratings volume (74 vs 11). KodeLife's advantage is rating (4.8 vs 4.3) and in-app purchases (none vs 27). On ads 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

Audulus 4 is free to download; KodeLife costs $9.99 up front. Audulus 4 sells 27 in-app purchases, starting at $4.99 per month. KodeLife asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

KodeLife holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Audulus 4 has 74 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 100% of KodeLife's written reviews are positive against 69% of Audulus 4's.

UpkeepUpdate frequency

KodeLife ships an update every 2 months, Audulus 4 monthly. The most recent releases landed on September 16, 2026 and September 12, 2026 respectively.

Scorecard8 real differences · 2 level
KodeLife versus Audulus 4: the parameters behind the verdict, then further details
ParameterKodeLifeAudulus 4
Price$9.99Free — better
Rating4.8 (11 ratings) — better4.3 (74 ratings)
Positive reviews100.0% of reviews — better69.2% of reviews
Number of ratings1174 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS13.0 — better18.0
Further details — not scored
Size30 MB103 MB
Age rating4+4+
DeveloperHexler LLCAudulus LLC

Customer experience

KodeLife

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews14 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Audulus 4

All ratings74 ratings
Positive82.4%
Neutral4.1%
Negative13.5%
Written reviews78 reviews
Positive69.2%
Neutral10.3%
Negative20.5%

Bugs and requests

KodeLife

Not enough reviews yet to summarise bugs or requests.

Audulus 4

Reported bugs

13 issues
  • iOS 18 compatibility issues (app not working)
  • Save presets but no 'Load' button
  • Undo command issues with DAWs
  • CMD+Z causing data loss
  • Opt+drag not duplicating modules
Show 8 more
  • Plugin window not resizable
  • Menu filtering not functioning properly on iPhone
  • Select and Import buttons not working
  • Blank screen on open
  • App freezes on iPad Pro
  • Black screen on launch after update
  • No modules appearing after iOS 18 update
  • Patches not appearing after iOS 18 update

Requested features

7 requests
  • Add 'Load' button for presets
  • Improve DAW integration (Undo, duplicate)
  • Resizable plugin window
  • More modules (FFT/IFFT, granular buffering)
  • Add CC in module
Show 2 more
  • Sync to host as AUv3
  • Make upgrade path clearer from Audulus 3

In-app purchases

None

KodeLife

No in-app purchases

27 purchases

Audulus 4

Subscriptions2
  • Audulus Pro (1 Month)7 Days trial$4.991 Month
  • Audulus Pro (1 Year)7 Days trial$29.991 Year
One-time25
  • 1-shot Sample$1.99
  • P-Train$2.99
  • CLK RS-1$3.99
Show 22 more
  • CG-1 Chord Generator$3.99
  • CLK Clock Generator$4.99
  • MetaEnvelope$4.99
  • Modal Percussion$4.99
  • CLK: TimeWarp$4.99
  • CPR-1$4.99
  • LMT-1$4.99
  • MS-FUNC$5.99
  • CLK SS-516$7.99
  • J-23 Reverb$7.99
  • J-23 Effects$7.99
  • CLK GS-1$7.99
  • Chaos LFO Bundle$7.99
  • ARP-1$7.99
  • CPR-3$7.99
  • SynD-K1$7.99
  • TRIKOR VCO$9.99
  • CLK Tools Bundle$9.99
  • Essential Synth Bundle$9.99
  • VCF Bundle 1$9.99
  • J-23 Space Console$14.99
  • Patch Editing$29.99

Questions

Is KodeLife free?
KodeLife costs $9.99, with no in-app purchases.
Is Audulus 4 free?
Audulus 4 is free to download, with in-app purchases available.
Which has better reviews, KodeLife or Audulus 4?
KodeLife is rated higher. KodeLife averages 4.8 out of 5 from 11 ratings, while Audulus 4 averages 4.3 from 74 ratings.
Do KodeLife or Audulus 4 have ads?
Neither KodeLife nor Audulus 4 shows ads.
Which is updated more often, KodeLife or Audulus 4?
KodeLife ships an update every 2 months, and Audulus 4 monthly. Most recently, KodeLife was updated on September 16, 2026 and Audulus 4 on September 12, 2026.

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