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AI Tool Comparison

Comparing as AI Podcast & Audio Editing
Auphonic vs Async

Compare features, pricing, pros & cons, and user ratings to decide which AI tool is best for your needs.

VS
Auphonic official logo and brand icon

Auphonic

Freemium
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Async official logo and brand icon

Async

Freemium
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Verdict by Category

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Feature & Spec Matrix

Detailed Comparison19 Criteria

Complete side-by-side breakdown of specifications, capabilities, and feature parity

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Feature / Spec
Auphonic
Auphonic
Async
Async
Pricing Model
FreemiumFree plan: 2 hours of processed audio per month, all basic algorithms included, but output files carry an Auphonic jingle. Recurring Credits (Monthly & One-Time tier, cheaper when billed yearly): Auphonic S at roughly $13/month (about $11/month billed annually) for 9 hours/month; Auphonic M at roughly $27/month ($23/month annually) for 21 hours/month; Auphonic L at roughly $53/month ($45/month annually) for 45 hours/month; Auphonic XL at roughly $105/month ($89/month annually) for 100 hours/month; an XXL tier covers 250 hours/month, and custom Business contracts exist beyond 1000 hours/month. One-Time Credits are also sold in blocks from 5 hours up to 3000+ hours, never expire, and can auto-renew when the balance runs low. Paid tiers unlock multilingual speech-to-text, automatic shownotes/chapters, watch folders, and batch productions; yearly and Business plans add priority processing, team accounts, and priority support. Billing is based on processed audio duration with a 3-minute minimum per production.
FreemiumAsync offers a permanently free Basic plan ($0/month, no credit card required) with limited AI credits and recording hours. Essentials is $11.99/month (about $7.19/month billed annually, ~40% savings) and includes AI credits, transcription, AI clips/subtitles/reframing, TTS characters, cloud storage, and 4K export. Pro is $23.99/month (about $14.39/month annually) and adds higher credit allowances, AI Dubbing with Lipsync, Revoice voice cloning, and access to AI video/image generation models. Teams pricing is per user with expanded credits, unlimited recording studios, Producer Mode, and brand kit features (contact sales for exact per-seat rate). Business/Enterprise plans are custom-priced with advanced security and support; contact the Async sales team. All paid plans include a 7-day free trial, and existing Podcastle subscriptions carried over unchanged after the rebrand.
Starting Price
Difference
$11/mo
$10/mo (Creator) or Free
Free Plan & Trial Scope
Difference
Free plan includes 2 hours of processed audio every month with full mastering and leveling algorithms
Free plan includes basic async video/voice messaging, standard cloud storage, and automated transcripts
User Rating Score
Unrated
Unrated
Ideal Workflow / Use Case
Difference
Automated podcast mastering, loudness leveling to industry standards, noise reduction, and multitrack voice balancing
Asynchronous team video messaging, remote podcast recording, AI-powered audio cleanup, and automated clip generation
Enterprise & Scalability
Difference
Intelligent Leveler, Multitrack processor with cross-gating/ducking, Loudness Normalization (EBU R128, ATSC A/85, Spotify/Apple Podcasts standards), Whisper speech-to-text, and automated cloud publishing (YouTube, Libsyn, Podbean, S3)
4K local recording, multi-track audio/video separate stem download, custom branding, AI clip highlight generator, and SSO team management
Core Categories
Difference
AI Audio & Music ToolsAI Video Tools
AI Video ToolsAI Audio & Music ToolsAI Developer APIs & Platforms
AI-powered noise and reverb reduction with adjustable intensity
Difference
Auphonic Advantage
Not listed
Intelligent adaptive leveler that balances speaker, music, and speech volume
Difference
Auphonic Advantage
Not listed
AutoEQ, De-Esser, De-Plosive filtering, and bandwidth extension for clearer voice
Supported
Supported
Automatic cutting of filler words, coughs, throat-clearing, and silence in multiple languages
Difference
Auphonic Advantage
Not listed
Multitrack processing with automatic ducking, noise gate, and mic bleed removal
Supported
Supported
Loudness normalization to podcast, streaming, broadcast, and ACX audiobook specifications
Difference
Auphonic Advantage
Not listed
Multilingual speech-to-text with shareable transcripts, auto-generated shownotes, and chapters
Supported
Supported
Video support with audio extraction, waveform audiogram generation, and automatic publishing to podcast/video platforms
Supported
Supported
Remote multi-track recording for up to 10 participants with local device capture
Difference
Not listed
Async Advantage
AI subtitles and translated captions in 70+ languages
Difference
Not listed
Async Advantage
Revoice AI voice cloning for fixing recordings without re-recording
Difference
Not listed
Async Advantage
Access to 100+ third-party AI models for video, image, avatar, and music generation
Difference
Not listed
Async Advantage
Auphonic icon

Auphonic Pros & Cons

Pros

  • Generous free tier of 2 hours per month with all core algorithms included
  • One-click automated processing requires no audio engineering expertise
  • Strong multitrack support with mic bleed removal and per-track denoising
  • Broad platform integrations for file transfer, publishing, watch folders, and Zapier
  • Free CLI and full API make it easy to integrate into existing workflows
  • Trusted by large broadcasters like BBC Radio and iHeartRadio as well as independent podcasters

Cons

  • No timeline or waveform editor; it is a finishing/mastering layer, not a full audio editor
  • Free plan output includes an Auphonic jingle and multitrack use is capped under 20 minutes
  • Speech-to-text accuracy is solid but trails dedicated transcription services like Rev or Otter.ai
  • Watch folders and batch productions are locked behind paid plans
  • Interface design is functional but visually dated compared to newer competitors
Async icon

Async Pros & Cons

Pros

  • Permanent free plan with no credit card required to start
  • Combines recording, editing, dubbing, and AI generation in a single subscription instead of a stack of separate tools
  • Transcript-based editing significantly speeds up audio and video cleanup for non-editors
  • Access to leading third-party video/image generation models (Kling, Sora, Veo) inside the same workspace
  • SOC2 certified and GDPR compliant, with existing Podcastle accounts migrated seamlessly

Cons

  • Rebrand from Podcastle to Async can confuse long-time users searching for the old name
  • Credit-based system for AI generation features adds complexity on top of the subscription price
  • Some users report bugs, crashes, or inconsistent results with AI audio/video tools
  • Advanced features like AI Dubbing and voice cloning are gated behind Pro or higher plans
  • Mobile app experience lags behind the desktop/browser editor
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