Comparison

Aegisub vs CaptionHub

No leader: the top candidate Aegisub has only 0.31 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Aegisub full profile →CaptionHub full profile →

Machine formatsMarkdown JSON GraphQLAll open, no key required.

Aegisub48

CaptionHub45

Attribute comparison across 2 tools
Attribute	Aegisub	CaptionHub
vioscaleAI score	48 / 100low · 31%	45 / 100low · 7%
Pricing
Free tierpricing.free_tier	✓	-
Modelpricing.model	open_source	commercial
Price levelpricing.price_level	free	-
Security
Iso27001security.iso27001	-	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nixpkgs&package_name=aegisub&per_page=100 · Last 12m: 0	-
Adoption
Dependent reposadoption.dependent_repos	0	-
Github starsadoption.github_stars	1,950	-
Activity
Commits last 30dactivity.commits_last_30d	31	-
Release
Cadence daysrelease.cadence_days	13	-
Historyrelease.history	4 items	-
Language
Primarylanguage.primary	C++	-

Score

vioscaleAI score

Aegisub48 / 100low · 31%

CaptionHub45 / 100low · 7%

Pricing

Free tier

Aegisub✓

CaptionHub–

Model

Aegisubopen_source

CaptionHubcommercial

Price level

Aegisubfree

CaptionHub–

Security

Iso27001

Aegisub–

CaptionHub✓

Vulnerabilities

AegisubCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nixpkgs&package_name=aegisub&per_page=100 · Last 12m: 0

CaptionHub–

Adoption

Dependent repos

Aegisub0

CaptionHub–

Github stars

Aegisub1,950

CaptionHub–

Activity

Commits last 30d

Aegisub31

CaptionHub–

Release

Cadence days

Aegisub13

CaptionHub–

History

Aegisub4 items

CaptionHub–

Language

Primary

AegisubC++

CaptionHub–

Capabilities

Feature-by-feature on the axes that matter for subtitle captioning. “-” means undocumented, not absent.

Capability comparison for Subtitle Captioning
Capability	Aegisub	CaptionHub
Capabilities
Architecture model	-	-
Hardcoded video burn in stylized social captions	-	-
Fcc ada broadcast compliance closed captioning srt vtt	-	-
Dynamic karaoke style animated word highlighting	-	-
AI auto translation for multi language tracks	-	-
Timeline based millisecond timestamp nudging	-	-
Human in the loop premium proofreading service tier	-	-
Custom font upload and brand color templating	-	-
B roll and emoji auto injection based on context	-	-
Direct xml export to premiere pro final cut	-	-
SOC2 type ii	-	-
Mit or apache permissive oss license	-	-
Pricing model	-	-

Capabilities

Architecture model

Aegisub-

CaptionHub-

Hardcoded video burn in stylized social captions

Aegisub-

CaptionHub-

Fcc ada broadcast compliance closed captioning srt vtt

Aegisub-

CaptionHub-

Dynamic karaoke style animated word highlighting

Aegisub-

CaptionHub-

AI auto translation for multi language tracks

Aegisub-

CaptionHub-

Timeline based millisecond timestamp nudging

Aegisub-

CaptionHub-

Human in the loop premium proofreading service tier

Aegisub-

CaptionHub-

Custom font upload and brand color templating

Aegisub-

CaptionHub-

B roll and emoji auto injection based on context

Aegisub-

CaptionHub-

Direct xml export to premiere pro final cut

Aegisub-

CaptionHub-

SOC2 type ii

Aegisub-

CaptionHub-

Mit or apache permissive oss license

Aegisub-

CaptionHub-

Pricing model

Aegisub-

CaptionHub-

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Aegisub

Open sourceFree tier

as of 2026-09-01verify ↗

CaptionHub

Pricing not documented yet.

Still deciding?

Aegisub or CaptionHub: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.