UAD Plug-Ins vs Kilohearts Ultimate

UAD Plug-Ins9.4Visit Kilohearts Ultimate7.5Visit

Higher score UAD Plug-Ins #1 in Audio Plugins 9.4/10 Free plan · 7-day trial Free planFree trial✓ 1 of 3 features Visit UAD Plug-Ins

vs

Kilohearts Ultimate #11 in Audio Plugins 7.5/10 10-day trial Free trial✓ 2 of 3 features Visit Kilohearts

• UAD Plug-Ins fits best

  Producers wanting a broad, flexible plugin suite

• Kilohearts Ultimate fits best

  Sound designers wanting modular effects and synthesis

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Side by side

Feature	UAD Plug-Ins 9.4/10 Visit ↗	Kilohearts Ultimate 7.5/10 Visit ↗
At a glance
Editor score	9.4	7.5
Ranking	#1 in Audio Plugins	#11 in Audio Plugins
Best for	Producers wanting a broad, flexible plugin suite	Sound designers wanting modular effects and synthesis
Pricing model	Free plan + paid	Paid
Starting price	$149.99/yr	$9.99/mo
Free plan	✓ (best)	—
Free trial	7 days	10 days
Free trial length	7 days	10 days
Deployment	Desktop	Desktop
Platforms	macOS, Windows	Windows, macOS
Integrations	7 integrations	9 integrations
Features UAD Plug-Ins 1/3 · Kilohearts Ultimate 2/3
External sidechain	✓	✓
Oversampling	Not checked yet	✓ (best)
Surround support	Not checked yet	Not checked yet
Specs
Plugin formats	VST3, AU, AAX	VST2, VST3, AAX, Audio Unit
Effect types	preamps, EQ, channel strips, compressors, limiters, reverb, delay, modulation, tape, saturation, vocal processing, guitar amps	modular synthesis, multiband effects, convolution, wavetable filtering, wavetable distortion, all-pass filtering, distortion, graphic EQ, parametric EQ, dynamics
License model	Both	Both
Product scope	Suite	Bundle
Our review
Pros	Native UADx plug-ins run on a computer without UA hardware. Works in VST3, AU, and AAX formats across major DAWs. Combines effects, virtual instruments, perpetual licenses, and subscriptions.	Includes Phase Plant, Multipass, Snap Heap, and Kilohearts Essentials. Run effects as DAW plug-ins or Snapins inside Kilohearts hosts. Macros, automation slots, and compatible external sidechain workflows.
Cons	UAD DSP plug-ins require Apollo or UAD-2 hardware. Spark subscription access is not the same as a perpetual license. The broad catalog may be more than producers seeking a narrow toolset need.	The $399 perpetual bundle does not include Content Banks. The separate $9.99 monthly subscription is not the Ultimate perpetual license. Future additions require completing the bundle at a discount.
Our verdict	UAD Plug-Ins is Universal Audio’s collection of audio effects and virtual instruments for music production, recording, mixing, and mastering. Its catalog spans modeled preamps, equalizers, channel strips, compressors, reverbs, delays,… Read the review →	Kilohearts Ultimate is a collection of audio plug-ins for music producers, sound designers, and electronic musicians. Its centerpiece tools include Phase Plant, a modular synthesizer, plus Multipass and Snap Heap, which host effects in… Read the review →

Strengths and trade-offs

• UAD Plug-Ins — where it wins

  • Native UADx plug-ins run on a computer without UA hardware.
  • Works in VST3, AU, and AAX formats across major DAWs.
  • Combines effects, virtual instruments, perpetual licenses, and subscriptions.

  Where it doesn't

  • UAD DSP plug-ins require Apollo or UAD-2 hardware.
  • Spark subscription access is not the same as a perpetual license.
  • The broad catalog may be more than producers seeking a narrow toolset need.

• Kilohearts Ultimate — where it wins

  • Includes Phase Plant, Multipass, Snap Heap, and Kilohearts Essentials.
  • Run effects as DAW plug-ins or Snapins inside Kilohearts hosts.
  • Macros, automation slots, and compatible external sidechain workflows.

  Where it doesn't

  • The $399 perpetual bundle does not include Content Banks.
  • The separate $9.99 monthly subscription is not the Ultimate perpetual license.
  • Future additions require completing the bundle at a discount.

• UAD Plug-Ins9.4/10 · Free plan · 7-day trial

  A flexible plugin suite with native and hardware-DSP options, plus free and paid access.

  Visit UAD Plug-InsFull verdict →
• Kilohearts Ultimate7.5/10 · 10-day trial

  A modular synthesis and effects bundle, available as a $399 perpetual license.

  Visit KiloheartsFull verdict →