Side by side
Async vs Mirelo
Both stand on ai sound effect generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIiPhoneWeb
Async combines chat-based video editing with audio cleanup, clip creation and remote recording. The free plan has defined credit, upload and export limits, and mobile availability is listed for iOS only.
Visit Async
Free plan APIMacWeb+1
Mirelo combines video-based sound generation, text prompts, and editing in a browser workspace, with integrations for several tools. Consider the free plan's project deletion and export watermark limits, or the monthly cost of paid tiers.
Visit MireloThe facts
| Async | Mirelo | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, iPhone, Web | API, Mac, Web, Windows |
| Lowest paid plan | Free or on request | Creator: €20 a month |
| Plans published | 5 | 6 |
| Maker | Not published | Not published |
| Website | async.com | mirelo.ai |
| On ai sound effect generators | #1 of 29 | #5 of 29 |
Async: what it does well
- Edits video through chat
- Magic Dust reduces background noise
- Remote interviews support up to 10 participants
- Free plan includes 2 GB storage
What to know first
- No Android version is listed
- Free plan exports up to 720p
- AI credits reset each billing cycle
Mirelo: what it does well
- Generates sound effects timed to video
- Supports text-to-SFX and iterative editing
- Plugins for Premiere Pro, DaVinci Resolve, and Roblox Studio
- Commercial use is included
- API and MCP integrations are available
What to know first
- Free projects are deleted after one week
- Free exports carry watermarks
- Free plan has three projects
- Maximum clip length is 60 seconds