Comparison

Fizzik vs Syntheen

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

Head to head
About

Fizzik

Features
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Create mesmerizing and relaxing physics simulations that move, sing, and respond to your touch. Fizzik is a pocket physics sandbox for iPhone and iPad. Fill the scene with with marbles, shape how they move, then turn every ripple, swing, tumble, and orbit into music. Start from a template or roll the dice for an instant surprise, and then make every detail your own. DIFFERENT WAYS TO PLAY • Wave Grid - send ripples through shifting 3D marble sculptures. • Pendulum - build hypnotic waves that drift in and out of sync. • Tilt - pour marbles off the platform by moving your device, and shake to toss them. • Orbit - shape a glowing galaxy around a gravity well • PRO: Bounce Field - watch as the marbles bounce in waves and eventually settle • PRO: Chamber - watch as marbles bounce off of the sides of the chamber in rhythmic patterns SCULPT EVERY DETAIL • Tune speed, gravity, friction, bounce, patterns, shapes, viewing angle, glow, platforms, color, and more. Control the scene with touch controls. Use the randomize option to randomize all of the parameters. EVERY SCENE SINGS • Choose an instrument, scale, key, and octave. Add echo and space, shape how motion maps to melody, or compose your own looping tune note by note. CREATE, EXPLORE, AND SHARE • Keep a synced collection of your creations and organize your favourites • Publish original scenes to Explore, where other makers can play, like, and save them. • Browse trending, top, or random community feeds • Share any published creation directly with other users via Share Codes. • Keep creating offline after you've signed in; changes sync when your connection returns. FIZZIK PRO While Fizzik is free to use, an optional Fizzik Pro auto-renewable subscription unlocks: • Looping video exports for Wave Grid and Orbit simulations. • Custom palette and platform colors, every backdrop, and the full instrument library. • Unlimited access to Explore and the ability to save from Explore. • Build Bounce Field and Chamber simulations. • A collection size of up to 2,000 simulations. Monthly and yearly plans unlock the same Pro features. Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel at any time in your Apple Account subscription settings. Terms of Service: https://www.fizzik.app/terms Privacy Policy: https://www.fizzik.app/privacy

About

Syntheen

Features
Read full description

Syntheen is a modular synth, create your own sounds and play them using on-screen instruments.

Screenshots

Fizzik4 screens
Syntheen3 screens

Verdict

The call

The clearest difference is in-app purchases: Syntheen at none against Fizzik's 2. Syntheen also leads on iOS requirement (16.0 vs 18.0). Fizzik's advantage is update cadence (every 5 days vs monthly). On price, 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

Both are free to download. Fizzik sells 2 in-app purchases, starting at $6.99 per month. Syntheen asks for nothing beyond the download.

UpkeepUpdate frequency

Fizzik ships an update every 5 days, Syntheen monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 3 level
Fizzik versus Syntheen: the parameters behind the verdict, then further details
ParameterFizzikSyntheen
PriceFreeFree
Update frequencyEvery 5 days — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad — betteriPhone
Requires iOS18.016.0 — better
Further details — not scored
Size7 MB2 MB
Age rating4+4+
DeveloperDaitoku Corp.Petri Heinua

In-app purchases

2 purchases

Fizzik

Subscriptions2
  • Fizzik Pro Monthly$6.991 Month
  • Fizzik Pro Yearly$59.991 Year
None

Syntheen

No in-app purchases

Questions

Is Fizzik free?
Fizzik is free to download, with in-app purchases available.
Is Syntheen free?
Syntheen is free to download, with no in-app purchases.
Do Fizzik or Syntheen have ads?
Neither Fizzik nor Syntheen shows ads.
Which is updated more often, Fizzik or Syntheen?
Fizzik ships an update every 5 days, and Syntheen monthly. Most recently, Fizzik was updated on October 25, 2026 and Syntheen on October 24, 2026.

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