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SPECIFICTION
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Fission

rogueamoeba.com

From $15/mo Free trial macOS
Visit rogueamoeba.com
Spec score 8.1 #43 of 131 in Audio Editing Software

Spec sheet

Purpose
Fission is a streamlined Mac audio editor for trimming, splitting, joining, and converting audio files.Read 8 Oct 2026 · rogueamoeba.com
Intended users
The maker describes Fission as a lightweight editor for simple audio editing tasks, including trimming recordings and splitting long recordings into shorter files.Read 8 Oct 2026 · rogueamoeba.com
Free plan
NoRead 20 Sep 2026 · rogueamoeba.com
Trial
The free trial includes all features, but audio saved during the trial has its quality intentionally degraded through fades.Read 8 Oct 2026 · rogueamoeba.com
Paid from
35Read 20 Sep 2026 · rogueamoeba.com
Support
Fission support is available by email, and the support team says it strives to reply in under 24 hours.Read 8 Oct 2026 · rogueamoeba.com
Headquarters
Boston, Massachusetts, United StatesRead 28 Sep 2026 · rogueamoeba.com
Founded
2002Read 28 Sep 2026 · rogueamoeba.com
Batch conversion
Its Batch Converter can convert multiple files in sequence to a selected format and output location.Read 8 Oct 2026 · rogueamoeba.com
Compatibility
The current Fission download is listed for macOS 14 to 27, with legacy downloads available for older macOS versions.Read 8 Oct 2026 · rogueamoeba.com
Editing features
Fission includes fades, gain adjustment, normalization, cue sheet support, and Smart Split, which splits files based on silence.Read 8 Oct 2026 · rogueamoeba.com
Formats
Fission supports MP3, AAC, Apple Lossless, FLAC, AIFF, and WAV for saving and conversion.Read 8 Oct 2026 · rogueamoeba.com
License delivery
The download contains both the trial and full software; a personalized license key unlocks the full version without another download.Read 8 Oct 2026 · rogueamoeba.com
Lossless editing
The maker says Fission edits MP3 and AAC files without quality loss because it does not re-encode audio during editing.Read 8 Oct 2026 · rogueamoeba.com
Music.app integration
Fission can save edited audio as an iPhone ringtone, with Music.app handling conversion to an iPhone-compatible format.Read 8 Oct 2026 · rogueamoeba.com
Podcast workflow
The maker describes recording a podcast with Audio Hijack and then editing it in Fission.Read 8 Oct 2026 · rogueamoeba.com
Refund policy
Customers may contact the maker for a refund within 14 days of purchase; refunds are issued case by case.Read 8 Oct 2026 · rogueamoeba.com
Supported platforms
macOSRead 20 Sep 2026 · rogueamoeba.com

Plans and prices

Fission License Key $35 a month billed monthly Unlocks the full version · Single-user license for one or more personally owned Macs Read 20 Sep 2026 · rogueamoeba.com
Fission 2 Upgrade $15 a month billed monthly Discounted upgrade for owners of an older Fission version Read 20 Sep 2026 · rogueamoeba.com
Fission License Key $35, paid once One-time license key purchase Single user · one or more Macs Read 8 Oct 2026 · rogueamoeba.com

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