# Aegisub vs CaptionHub

**Leader by vioscaleAI score:** CaptionHub

| Attribute | Aegisub | CaptionHub |
|---|---|---|
| **vioscaleAI score** | 46.6 (31% (low)) | 56.1 (76% (high)) |
| activity.commits_last_30d | 35 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 2,009 | - |
| deployment.options | - | `{"cloud":true}` |
| description.long | An open-source application for authoring subtitles with synchronization to audio, built-in styling capabilities, and real-time video preview functionality. | A collaborative platform that automates the creation, editing, and localization of video captions and voiceovers across numerous languages, with integrations for major video platforms and translation systems. |
| features.capabilities | `{"pricing_model":"free_open_source","architecture_model":"desktop_local_application"}` | `{"soc2_type_ii":true,"architecture_model":"managed_cloud_saas_browser","ai_auto_translation_for_multi_language_tracks":true,"hardcoded_video_burn_in_stylized_social_captions":true}` |
| integrations.count | - | 18 |
| integrations.list | - | `[{"name":"Brightcove","native":true,"category":"video_platform","direction":"bidirectional"},{"name":"Kaltura","native":true,"category":"video_platform"},{"name":"Google Drive","native":true,"category":"storage","direction":"bidirectional"},{"name":"JW Player","native":true,"category":"video_platform"},{"name":"Mux","native":true,"category":"video_platform"},{"name":"Cloudflare","native":true,"category":"video_platform"},{"name":"Vimeo","native":true,"category":"video_platform"},{"name":"Phrase","native":true,"category":"translation"},{"name":"Smartling","native":true,"category":"translation"},{"name":"XTM","native":true,"category":"translation"},{"name":"Trados","native":true,"category":"translation"},{"name":"LILT","native":true,"category":"translation"},{"name":"Crowdin","native":true,"category":"translation"},{"name":"DeepL","native":true,"category":"ai_translation"},{"name":"OpenAI","native":true,"category":"ai"},{"name":"Amazon Translate","native":true,"category":"ai_translation"},{"name":"Whisper","native":true,"category":"ai_transcription"},{"name":"Blackbird.io","native":true}]` |
| language.primary | C++ | - |
| market.availability | - | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://aegisub.org","retrievedAt":"2026-09-01T14:41:01.917Z"}` | `{"type":"hybrid","plans":[{"free":false,"name":"Creator & Agency","summary":"$2.50/minute, no subscription required","features":["Full captioning and subtitle editing suite","AI transcription and translation","Voiceover generation and editing","Export in all major subtitle formats including burnt-in","Collaboration and approval tools"],"components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":2.5,"currency":"USD"}],"description":"Pay-per-use captioning and voiceover for creators and agencies","contactSales":false},{"free":false,"name":"Studio","summary":"$1,270/month","features":["Massive scalability with high output volume","Full subtitle and voiceover generation suites","All AI capabilities for speech, translation and voice synthesis","Automation across ingest, processing, translation and publishing","Timbra real-time/live media localisation suite","CaptionHub Analytics for insights and reporting","CaptionHub Connect for secure multi-vendor collaboration","Flexible workflows supporting thousands of users","Enterprise integrations","Multiple SSO options (SAML, Google Apps, Active Directory, Office 365)","Security features: IP allow-listing, 2FA, media watermarking","API, SDK, webhooks and websocket access"],"commitment":"monthly","components":[{"kind":"fixed","amount":1270,"period":"month","currency":"USD"}],"description":"Comprehensive video translation for fast-scaling brands and teams","contactSales":false},{"free":false,"name":"Enterprise","summary":"$3,565/month plus Studio features","features":["Everything in Studio","Custom InfoSec and contracting","Accelerated roadmap and custom integrations","Enterprise deployment options including AWS and GCP VPCs","Enhanced support with PagerDuty and Slack Connect","24/7 support with SLAs","Workflow and localisation consulting","Custom integrations and accelerated roadmap delivery"],"components":[{"kind":"fixed","amount":3565,"period":"month","currency":"USD"}],"description":"Tailored solution for large organizations with complex requirements","contactSales":true}],"summary":"From $2.50/minute usage-based or $1,270/month subscription. Hybrid billing options across three pricing tiers.","currency":"USD","freeTier":false,"sourceUrl":"https://captionhub.com/pricing-tiers","retrievedAt":"2026-09-16T15:25:26.572Z","startingPrice":{"amount":1270,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | no |
| pricing.model | open_source | commercial |
| pricing.price_level | free | high |
| pricing.starting_price | - | `{"amount":1270,"currency":"USD"}` |
| pricing.transparent | - | yes |
| release.cadence_days | 41 | - |
| release.history | `[{"url":"https://github.com/TypesettingTools/Aegisub/releases/tag/v3.5.0","date":"2026-10-05T11:41:06Z","type":"stable","version":"v3.5.0"},{"url":"https://github.com/TypesettingTools/Aegisub/releases/tag/v3.5.0-beta","date":"2026-07-27T20:16:55Z","type":"prerelease","version":"v3.5.0-beta"},{"url":"https://github.com/TypesettingTools/Aegisub/releases/tag/v3.4.2","date":"2025-01-13T03:11:43Z","type":"stable","version":"v3.4.2"},{"url":"https://github.com/TypesettingTools/Aegisub/releases/tag/v3.4.1","date":"2025-01-01T21:05:21Z","type":"stable","version":"v3.4.1"},{"url":"https://github.com/TypesettingTools/Aegisub/releases/tag/v3.4.0","date":"2024-12-19T01:11:04Z","type":"stable","version":"v3.4.0"}]` | - |
| security.certifications | - | `[{"name":"ISO 27001:2013","level":"2013","status":"active"},{"name":"SOC 2 Type II","level":"Type II","status":"active"},{"name":"Cyber Essentials","status":"active","auditor":"UK National Cyber Security Centre"}]` |
| security.gdpr | - | yes |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |
| security.trust_center | - | https://captionhub.com/blog-post/security-q42020 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nixpkgs&package_name=aegisub&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Subtitle Captioning)

| Capability | Aegisub | CaptionHub |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture model | Desktop local application | Managed cloud saas browser |
| 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 | Free open source | - |

*Source: vioscaleAI. Generated 2026-10-24T09:14:59.908Z. "-" = undocumented, not absent.*