kitio.aiSubtitles.app vs HappySRT
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. HappySRT is completely free, while Subtitles.app is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Video and audio transcription
- Translation into 120 languages
- SRT, VTT and ASS export
- Subtitle editor
- Speaker identification
- API access
- Audio and video transcription
- Translation to multiple languages
- AI summaries
- In-browser FFmpeg
- Thread history
| Feature | Subtitles.app | HappySRT |
|---|---|---|
| Best for | Transcribes video and audio and adds translated subtitles | Open-source web app for transcripts, translation and summaries |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Free |
| Starting price | See pricing page | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Subtitles.app | HappySRT |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
HappySRT is completely free, while Subtitles.app is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Free Use
Free
- Up to 30 minutes per file
- Basic accuracy
- 5-minute watermarked export
Pro
$0.99 / hour
- Prepaid credit never expires
- 1080p export without watermark
- Subtitle editor and API
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Subtitles.app
- Pay as you go, credit never expires
- Many export formats
- Free use without sign-up
- Free use is capped at 30 minutes per file
- Free exports are watermarked and short
- Free accuracy is only basic
HappySRT
- Open source code
- Handles both audio and video
- Transcribes, translates and summarizes
- Requires signing in
- Limits are not documented on the site
- Little detail on supported languages
Which one should you choose?
Choose Subtitles.app if you want:
- Pay as you go, credit never expires
- Many export formats
- Free use without sign-up
Watch out: free use is capped at 30 minutes per file.
Choose HappySRT if you want:
- Open source code
- Handles both audio and video
- Transcribes, translates and summarizes
Watch out: requires signing in.
Subtitles.app vs HappySRT FAQ
What is the difference between Subtitles.app and HappySRT?
Subtitles.app: Transcribes video and audio and adds translated subtitles. HappySRT: Open-source web app for transcripts, translation and summaries. Both are audio & voice tools.
Is Subtitles.app or HappySRT cheaper?
HappySRT is completely free, while Subtitles.app is freemium.
Do Subtitles.app and HappySRT have free plans?
Subtitles.app: Yes. HappySRT: Yes, fully free.
Who makes Subtitles.app?
Subtitles.app is made by Subtitles.app.
Who makes HappySRT?
HappySRT is made by HappySRT.
Which should I choose, Subtitles.app or HappySRT?
Choose Subtitles.app if you value pay as you go, credit never expires and many export formats. Choose HappySRT if you value open source code and handles both audio and video.