Ace by DAISY vs REAPER

Ace by DAISY7.9Visit REAPER7.5Visit

Higher score Ace by DAISY #1 in Audiobook Production Software 7.9/10 Free plan Free plan✓ 0 of 3 features Visit DAISY

vs

REAPER #7 in Audiobook Production Software 7.5/10 60-day trial Free trial✓ 1 of 3 features Visit REAPER

• Ace by DAISY fits best

  Publishers checking EPUB accessibility

• REAPER fits best

  Experienced editors wanting flexible, low-cost DAW tools

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Side by side

Feature	Ace by DAISY 7.9/10 Visit ↗	REAPER 7.5/10 Visit ↗
At a glance
Editor score	7.9	7.5
Ranking	#1 in Audiobook Production Software	#7 in Audiobook Production Software
Best for	Publishers checking EPUB accessibility	Experienced editors wanting flexible, low-cost DAW tools
Pricing model	Free	Paid
Starting price	Free plan	$60 one-time
Free plan	✓ (best)	—
Free trial	—	60 days
Deployment	Desktop, Self-hosted	Desktop
Platforms	Windows, macOS, Linux	Windows, macOS, Linux
Support	Docs, Community	Email, Community, Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market
Features Ace by DAISY 0/3 · REAPER 1/3
Remote recording	Not checked yet	Not checked yet
Noise reduction	Not checked yet	✓ (best)
Chapter markers	Not checked yet	Not checked yet
Specs
Audio export formats	Not checked yet	Not checked yet
Platforms	Not checked yet	Not checked yet
Simultaneous audio tracks	Not checked yet	Not checked yet
Our review
Pros	Runs automated checks and reports detected violations with issue details Exports HTML and JSON reports and supports command-line workflows Offers a desktop GUI with filtering, sorting, and interactive results	One-time licenses start at $60, with a 60-day evaluation period. Multitrack editing, take management, routing, and built-in noise-profile subtraction. Runs on Windows, macOS, and Linux and supports a broad range of plug-ins.
Cons	Checks EPUB accessibility; it does not produce audiobook recordings or audio deliverables Automated checks cover only part of accessibility requirements No mobile testing or browser extension	No audiobook-specific chaptering or delivery tools are listed. The $60 discounted license is limited to qualifying users and organizations. Its broad DAW workflow may require editors to create their own audiobook process.
Our verdict	Ace by DAISY is a free, open-source tool for checking EPUB accessibility during book production. Publishers, production teams, third-party vendors, and self-publishing authors can use it to review publication files and identify issues. It… Read the review →	REAPER is a desktop digital audio workstation for recording, editing, processing, mixing, and mastering audio and MIDI. For audiobook production, it fits experienced editors who want flexible tools for shaping and assembling spoken-word… Read the review →

Strengths and trade-offs

• Ace by DAISY — where it wins

  • Runs automated checks and reports detected violations with issue details
  • Exports HTML and JSON reports and supports command-line workflows
  • Offers a desktop GUI with filtering, sorting, and interactive results

  Where it doesn't

  • Checks EPUB accessibility; it does not produce audiobook recordings or audio deliverables
  • Automated checks cover only part of accessibility requirements
  • No mobile testing or browser extension

• REAPER — where it wins

  • One-time licenses start at $60, with a 60-day evaluation period.
  • Multitrack editing, take management, routing, and built-in noise-profile subtraction.
  • Runs on Windows, macOS, and Linux and supports a broad range of plug-ins.

  Where it doesn't

  • No audiobook-specific chaptering or delivery tools are listed.
  • The $60 discounted license is limited to qualifying users and organizations.
  • Its broad DAW workflow may require editors to create their own audiobook process.

• Ace by DAISY7.9/10 · Free plan

  A free EPUB accessibility checker for production teams, not an audiobook recording tool.

  Visit DAISYFull verdict →
• REAPER7.5/10 · 60-day trial

  A low-cost, capable DAW for audiobook editors comfortable building their own workflow.

  Visit REAPERFull verdict →