🤖

AI Verdict

Confidence: Medium
✅ Worth Building

Large growing market with room for innovation, but must differentiate beyond basic AI transcription and target underserved segments like live captioning or collaborative workflows.

💰

Financials

MRR$126
30d Growth+123.5%
🌱 Early Stage
🏗️

Buildability

62
Moderate
Captioner

Captioner

Captionerは、あなたの動画のためのAI字幕生成・編集ツールです。正確な字幕を動画に追加し、何時間もの作業時間を節約しましょう。動画をアップロードして、ブラウザ上で直接編集できます。

🤖 AI🔗 Visit Website ↗𝕏 @lhr0909
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🤖AI Deep Dive

AI subtitle tool with $126 MRR growing 124% monthly in $10B+ market.

📊
Market SizeLarge (>$1B) - Global captioning/subtitling market projected at $10.2B by 2033 with 13.2% CAGR
📈
Growth StagePre-PMF
⏱️
Build Time8-12 weeks for core AI transcription + basic editor
💼
Business ModelSaaS
🏰Competitive Moat

None currently - basic AI transcription with browser-based editing lacks defensible advantages

⚔️Main Competitors
DescriptRev.comOtter.aiKapwingYouTube Studio auto-captions
👥Who's it for
  • Individual content creators (YouTubers, educators, marketers) needing fast, accurate subtitles without manual effort
  • Small businesses and agencies producing regular video content
💡Market Opportunities
  • No live captioning capability
  • No team collaboration features
  • No integration with video platforms
  • No advanced formatting/positioning
🎯Differentiation Ideas
  • Real-time captioning for streams
  • Collaborative editing workflows
  • Platform-specific optimizations (TikTok, Instagram)
  • Accessibility compliance reporting
📣Growth Channels
Unknown - no visible social, app stores, or review site presenceLikely organic search or word-of-mouth given current metrics
🚀Viral Potential

Medium - Video creators share workflows, but tool lacks obvious viral loops or collaboration features

⚠️Risk Factors
  • Heavy competition from well-funded players
  • Low barriers to entry for basic transcription
  • Dependence on third-party AI APIs
  • Potential commoditization of basic captioning
💰Pricing Reference
$0$10/ mo$120$5/mo$60$10/mo$20/mofreeFreefree trial
🚀How to Build Something Similar
Complexity
4/10
Estimated Cost

$5,000-$15,000 for MVP (mostly API costs for transcription)

Key Features
  • Video upload & processing
  • AI speech-to-text with timestamping
  • Browser-based subtitle editor
  • Multiple export formats (SRT, VTT)
  • Basic accuracy tuning
Suggested Stack
Next.js/React frontendFFmpeg for video processingWhisper API or similar for transcriptionSupabase/PostgreSQL for dataAWS S3/Cloudflare R2 for storage
MVP 范围

Skip: Multi-language support, Collaboration features, Advanced formatting options, API access, Batch processing

🔍SEO Keywords
AI subtitle generatorvideo captioning softwareautomatic subtitlescaption generator onlinetranscribe video to text
収益トレンド
🤖 AI Revenue Insights
📈TrendRising (+0.0%)
💰Avg daily revenue$0
📊StabilityLow
💡Revenue is relatively stable—keep an eye on it
日次収益2025-12-15 → 2026-01-13
$134$85$35-$142025-12-152025-12-302026-01-13収益▲ $120▼ $0
時間別収益12-27 02:00 → 01-13 21:00
$22$14$6-$202:0017:0019:0021:00収益▲ $20▼ $0
Tech Stack
🛠️Tech Stack
⚛️Frontend
Astro
☁️Hosting
Cloudflare
📊Analytics
Google AnalyticsPostHog
💬Support
Crisp
Market Insights
✨AIに聞く
📊Traffic Data
👥
Monthly Visits
240-66.62%
📈
Bounce Rate
35.32%
⏱️
Avg. Duration
00:01:45
📄
Pages/Visit
3.65
📅
Domain Age
1.69 years
🔄 Traffic Sources
search40.4%
direct38.5%
referrals13.7%
social5.2%
paidReferrals1.9%
🌍 Top Regions
Germany
77.6%
United States
22.4%
🔑 Top Keywords
KeywordTrafficVolumeCPC
web captioner02.1K$3.45
videocaptioner01.06K$2.43
subtitle youtube io0190$0.00
captionbert0170$0.00
captionner090$0.00
🌐 Domain Info
Domain Age1.69 years
Created2024-4-15
Expires2026-4-15
RegistrarCloudflare, Inc
DNS Servers
roman.ns.cloudflare.comanastasia.ns.cloudflare.comwhois.cloudflare.com
📊ベンチマーク比較
MRR$126
Top -70%
総収益$1,372
Top 10%
30日成長+123.5%
Top -309%
フォロワー147
Top 64%
カテゴリベンチマーク
ai
平均MRR$11,628
平均成長+85.7%
カテゴリ内製品数307
📈成長勢い
🎯競争レベル
⚙️技術的複雑さ
💰市場検証
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