kitio.aiSonix vs HappySRT
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. HappySRT is completely free, while Sonix is free trial.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Multilingual transcription
- Transcript translation
- Speaker identification
- AI summaries and themes
- Subtitle and NLE exports
- Audio and video transcription
- Translation to multiple languages
- AI summaries
- In-browser FFmpeg
- Thread history
| Feature | Sonix | HappySRT |
|---|---|---|
| Best for | Automated transcription and translation in 50+ languages | Open-source web app for transcripts, translation and summaries |
| Category | Audio & voice | Audio & voice |
| Pricing model | Free trial | Free |
| Starting price | $25/mo | Free |
| Free plan | No, trial available | Yes, fully free |
| Made by | Sonix | HappySRT |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
HappySRT is completely free, while Sonix is free trial.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Pay As You Go
$10 / hour
- Transcription and translation
- 5 GB storage
- Single user
Core
$25/mo
- 5 hrs/month transcription
- 5 hrs/month AI workspace
- 25 GB storage
- 1 user, +$25 per seat
Advanced
$50/mo
- 20 hrs/month transcription
- 25 hrs/month AI workspace
- 50 GB storage
Pro
$80/mo
- 40 hrs/month transcription
- 100 hrs/month AI workspace
- 100 GB storage
- Priority support
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Sonix
- Wide language support
- Pay per hour, no lock-in
- Strong export options
- Costs add up for heavy users
- Free trial is only 30 minutes
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 Sonix if you want:
- Wide language support
- Pay per hour, no lock-in
- Strong export options
Watch out: costs add up for heavy users.
Choose HappySRT if you want:
- Open source code
- Handles both audio and video
- Transcribes, translates and summarizes
Watch out: requires signing in.
Sonix vs HappySRT FAQ
What is the difference between Sonix and HappySRT?
Sonix: Automated transcription and translation in 50+ languages. HappySRT: Open-source web app for transcripts, translation and summaries. Both are audio & voice tools.
Is Sonix or HappySRT cheaper?
HappySRT is completely free, while Sonix is free trial.
Do Sonix and HappySRT have free plans?
Sonix: No, trial available. HappySRT: Yes, fully free.
Who makes Sonix?
Sonix is made by Sonix, based in United States.
Who makes HappySRT?
HappySRT is made by HappySRT.
Which should I choose, Sonix or HappySRT?
Choose Sonix if you value wide language support and pay per hour, no lock-in. Choose HappySRT if you value open source code and handles both audio and video.