Pianolyze vs Slashy: Features, Pricing & Which Is Better (2026)

A side-by-side comparison of Pianolyze and Slashy — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.

Pianolyze

Freemium

In-browser, on-device piano transcription: drag & drop audio to get a piano-roll view and slowed playback with no uploads.

On-Device Transcription: Runs the transcription model fully in the browser so audio is processed locally, minimizing latency and ensuring recordings are not uploaded to remote servers.
Drag-and-Drop Audio Input: Accepts common file formats (MP3, WAV, FLAC, M4A) via simple drag-and-drop to quickly start analysis without complex imports.
Piano-Roll Visualization: Generates an interactive piano-roll view of detected notes, showing pitch and timing to help users inspect performance details visually.
Variable Playback Speed: Allows slowing down audio playback to inspect fast passages or subtle timing details while keeping the visual transcription synchronized.
Local Privacy by Design: Architecture avoids cloud uploads, making the tool suitable for users concerned about confidentiality of recordings and intellectual property.
Immediate, Low-Latency Analysis: Browser execution provides near-instant transcription and visualization for rapid iteration during practice or review.
On-device piano transcription performed in the browser (no uploads to a server)
Drag-and-drop support for MP3, WAV, FLAC, M4A audio files
Piano-roll visual representation of detected notes
Playback controls including slow-down for practice and analysis
Local processing to preserve user privacy and eliminate file transfers

Practice Analysis: Students and teachers can upload practice recordings to inspect missed notes, timing, and articulation using the piano-roll and slowed playback.
Performance Review: Pianists can quickly analyze live or recorded performances for phrasing and timing issues without sending files to third-party servers.
Music Transcription Prep: Musicians can extract note-level information from recordings as a starting point for creating scores or MIDI arrangements.
Rehearsal Feedback: Teachers can generate visual feedback for pupils showing where notes deviate from intended pitches or rhythms during lessons.
Research & Analysis: Music researchers can use on-device transcriptions to study performance characteristics across takes while preserving data privacy.
Musicians transcribing piano recordings into a piano-roll for practice and analysis
Students slowing down passages to learn difficult sections
Composers extracting note information from recorded takes
Music teachers demonstrating performance details visually without uploading student recordings
Quick on-device analysis of piano audio where privacy is required

Paid

Slashy is an AI-native email client that drafts replies in your voice, triages what matters, and makes sure no follow-up slips through.

AI Reply Drafting: Drafts email replies in your own voice so you can review and send in seconds.
Smart Triage: Automatically surfaces the emails that matter and filters out inbox noise.
Follow-up Tracking: Tracks pending conversations so no follow-up slips through the cracks.
AI-Native Inbox: A redesigned email client built around AI rather than added onto an old one.
Enterprise Controls: SSO, SCIM, and customized security controls for teams on the Enterprise plan.

Clearing a Busy Inbox: Triage and respond to high volumes of email in a fraction of the usual time.
Consistent Voice Replies: Draft on-brand responses that sound like you without writing from scratch.
Never Missing Follow-ups: Stay on top of threads that need a reply or a nudge.
Team Email at Scale: Roll out an AI email client across an organization with SSO and SCIM.