Comparison

L2 Aura vs Metropoly

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

Head to head
About

L2 Aura

This audio effect plugin provides smooth compression for vocals, guitars, and keyboards. It offers precise control for leveling sound and dual-mono functionality for bus processing, ensuring a tight mix.

Highlights
  • Smooth compression for various instruments
  • Precise sound leveling
  • Dual-mono mode for bus control
  • Tube-driven output
  • Compress and limit modes
Features
Read full description

L2 Aura is simple to use, delivering the gentle, smooth compression to vocals, guitars, keyboards, basically everywhere. Level your screams with precision and keep them where you want them. Dual-mono feature gives you more control over your bus. Ideal for making sure the track stays tight in the mix. Key Features: - Tube-driven output - 2 modes (compress/limit) - Dual-mono mode Available in AUv3 and standalone

About

Metropoly

Read full description

Metropoly is a polyrhythmic metronome that turns polyrhythms into something you can see and feel. It helps you develop an intuition for complex rhythms by visualizing them in a way that makes their structure obvious at a glance. BUY IT ONCE AND OWN IT - No subscription. - No ads. - No sign-in. - Every feature works offline. - One purchase for iPhone, iPad and Mac. BUILD A POLYRHYTHM - Up to six rhythms, each with its own beat count, all lining back up every cycle. - Every rhythm gets its own configurable color and sound, so the parts stay separable by eye and ear. - If preferred, add a count-in of one full cycle of the first rhythm, so you know where the loop starts before it starts. EXPORT THE LOOP AS VIDEO - Render the current polyrhythm to a square video at 1080p or 4K. - Choose a gray, black, white, or transparent background that drops straight into your edit. - Loop it 1 to 64 times, with or without audio. Loops are frame and sample accurate, so they cut together seamlessly. - Rendering carries on while you use another app, and tells you when it is finished. PRESETS - Save any configuration as a named preset and load it back instantly. - The app reopens on the polyrhythm you were last working on. THEMES - Three light themes and three dark themes, following the system appearance or pinned to one. - Separately configure the background color of the polygon view. ABOUT THE DEVELOPER Made by Thijmen Dam, an indie developer and musician building small, focused tools with care. Metropoly started as a way to practice polyrhythms, and grew into something I actually enjoy opening every day. Thanks for giving it a spin (literally!). It means a lot to me. If you have any feedback, do not hesitate to reach out.

Screenshots

L2 Aura4 screens
Metropoly4 screens

Verdict

The call

The clearest difference is price: L2 Aura at $5.99 against Metropoly's $9.99. On update cadence, 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

L2 Aura costs $5.99 and Metropoly $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

L2 Aura ships an update every 4 days, Metropoly every 5 days. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard1 real difference · 9 level
L2 Aura versus Metropoly: the parameters behind the verdict, then further details
ParameterL2 AuraMetropoly
Price$5.99 — better$9.99
Rating4.6 (8 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings8 — better—
Update frequencyEvery 4 days — betterEvery 5 days
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better16.0
Further details — not scored
Size37 MB2 MB
Age rating4+4+
DeveloperAurora DSPThijmen Dam

In-app purchases

None

L2 Aura

No in-app purchases

None

Metropoly

No in-app purchases

Questions

Is L2 Aura free?
L2 Aura costs $5.99, with no in-app purchases.
Is Metropoly free?
Metropoly costs $9.99, with no in-app purchases.
Do L2 Aura or Metropoly have ads?
Neither L2 Aura nor Metropoly shows ads.
Which is updated more often, L2 Aura or Metropoly?
L2 Aura ships an update every 4 days, and Metropoly every 5 days. Most recently, L2 Aura was updated on October 24, 2026 and Metropoly on October 26, 2026.

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