CoverHook
7.3#1 in ai thumbnail generatorsFrom $99 a yearFree planWebAPI
VisitCoverHook vs Thumbrix
What both publish
| Fact | CoverHook | Thumbrix |
|---|---|---|
| Data handling | CoverHook says prompts and reference images are sent to apimodels.app for AI generation, and account data and files are stored in Cradler. | Thumbnail descriptions and optional reference photos are sent to KIE for image generation, and generated images and task records are saved so users can return to results. |
| Integrations | Google Sign-In is used for authentication; the privacy policy says Google does not receive prompts, uploads, or generated covers. | The privacy policy says Thumbrix uses Cloudflare, KIE for image generation, checkout providers Stripe, PayPal or Creem, optional Google or GitHub sign-in, and Resend transactional email when configured. |
| Product | CoverHook generates AI cover images, with finished artwork and typography designed together for the selected format. | Thumbrix helps video creators turn an idea into a thumbnail by combining a description, optional photo, and short headline. |
| Security | The privacy policy says API keys are stored as SHA-256 hashes, sessions use signed HttpOnly cookies, and the company holds no security certification. | The privacy policy says API keys are stored as SHA-256 digests after being shown once, and complete card details are handled by the payment provider rather than stored in the application database. |
| Support | The Studio plan includes priority support; privacy and data requests are handled by email, with a stated target response time of 30 days. | Thumbrix lists [email protected] for service, billing, rights, or account questions. |
CoverHook plans
- FreeFree
- 2,000-credit pack$29.90, paid once
- 4,000-credit pack$59.90, paid once
- Pro$99 a year
- 10,000-credit pack$99.90, paid once
- Studio$199 a year
Thumbrix plans
- Free accountFree
- 60-credit pack$2.99, paid once
- Creator$9.90 a month
- 300-credit pack$15, paid once
- Pro$19.90 a month
- 600-credit pack$30, paid once
Pick CoverHook if…
CoverHook suits creators who need designed covers or thumbnails across its supported formats, particularly YouTube creators who want variant generation and fit checks. Its API may suit workflows that need asynchronous generation, retries, and account-based credit use.
Pick Thumbrix if…
Thumbrix suits video creators who want to generate thumbnails from a prompt, YouTube link, headline, or optional photo. Its planning and additional thumbnail tools may also suit creators comparing scene and headline ideas.