CoverHook
7.3#1 in ai thumbnail generatorsFrom $99 a yearFree planWebAPI
VisitCoverHook vs Thumbium
What both publish
| Fact | CoverHook | Thumbium |
|---|---|---|
| Formats | The site lists YouTube thumbnails, album covers, book covers, TikTok/Reels covers, text covers, and YouTube banners. | Projects can use widescreen 16:9 YouTube or vertical 9:16 Shorts sizing. |
| Support | The Studio plan includes priority support; privacy and data requests are handled by email, with a stated target response time of 30 days. | The site lists support at [email protected]. |
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
Thumbium plans
- Hobby$17, paid once
- Business$29, paid once
- Agency$49, 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 Thumbium if…
Thumbium suits YouTube and Shorts creators who need prompt-based thumbnails, variations, and text-described edits. The listed packages identify Hobby, Business, and Agency audiences by publishing volume.