OKZest compared
Take a look at OKZest versus the competition and learn how awesome we are.
OKZest is an Imejis alternative for agencies and email marketers — ESP merge tags, open-time dynamic image URLs across Mailchimp, Klaviyo and ActiveCampaign, plus a full editor, REST API and team/client roles. Free plan to start.
Imejis.io is a template-based image generation platform aimed at social, e-commerce banners, and marketing graphics. Teams design templates, then generate images via REST API, Zapier/Sheets-style automations, or AI agents over MCP (Claude, ChatGPT, Cursor).
OKZest is an Imejis alternative for marketing agencies and email marketers who need personalized images inside emails at open. OKZest personalizes with ESP merge tags, works across Mailchimp, Klaviyo, and ActiveCampaign, and supports open-time / dynamic image URLs - so each recipient sees their data when they open, and creatives can still update after send. Automation is available via REST API (and MCP on OKZest's side too), but most email campaigns are a single drop-in image URL - not a render-then-attach workflow.
Where Imejis optimizes for API/agent design automation and multi-channel graphic production, OKZest optimizes for ESP drop-in personalization at email scale: full visual editor, fallback text, live website screenshots as layers, team collaboration, and Client read-only roles for agencies. Enterprise scales to 1M opens/month with unlimited seats and opens-based billing.
Pricing is built to try before you scale. OKZest's free plan includes 2,500 watermarked images per month with no credit card. Imejis' public free tier is geared to API renders (~100/month on the public site).
Choose Imejis if your main need is social/ecom banners and AI-agent/API design automation. Choose OKZest if email personalization, merge tags, open-time URLs, agency team/client roles, and a generous free plan are the priority.
| Feature | OKZest | Imejis |
|---|---|---|
| Multiple merge tags per image (name, date, location…) | ||
| ESP merge tags in Mailchimp, Klaviyo & ActiveCampaign | Mailchimp Soon; not open-time ESP | |
| Open-time / dynamic image URLs (update after send) | Render-then-use, not open-time | |
| Fallback text for missing or empty merge tag data | Partial | |
| Dynamic background images swapped per recipient | API / template fields | |
| Live website screenshot capture as an image layer | ||
| Visual drag-and-drop design editor | ||
| Team workspace & multi-user collaboration | Renders/storage focus; Client RO not highlighted | |
| Built for agencies / multi-client campaigns | Partial | |
| REST API for programmatic image generation | ||
| AI agents / MCP design automation | Partial | |
| Zapier & Make automation | ||
| ESP-ready dynamic image URLs (no file downloads) | Partial | |
| Free plan - no credit card required | ||
| Transparent, usage-based pricing |
ESP merge tags and open-time / dynamic image URLs so each recipient sees their data, and creatives can update after send.
Insert one dynamic image URL into Mailchimp, Klaviyo, ActiveCampaign or any ESP. No render-then-attach step for every send.
Build templates without making every campaign an engineering ticket.
REST API available; most email campaigns don't require an API call per open.
Unlimited seats on Enterprise; clients can review without editing.
The free plan includes 2,500 watermarked images per month for testing - no credit card needed. Enterprise scales to 1M opens/month with opens-based billing.
Moving from Imejis to OKZest for email personalization is usually a simplification, not a rebuild.
Most teams can validate a like-for-like email campaign on the free plan before cutting over production sends.
Yes. OKZest is an Imejis alternative for agencies and email marketers who need merge-tag images across ESPs, open-time URLs, and a free plan - while Imejis leads on API/agent design automation for social and marketing graphics.
Yes. OKZest personalizes email images with ESP merge tags so each recipient sees their own data in the creative.
Yes. OKZest supports open-time / dynamic image URLs, so creatives can update when the recipient opens the email.
Yes. OKZest works across Mailchimp, Klaviyo, and ActiveCampaign - and other ESPs that accept a standard image URL.
No for most email campaigns: design in the editor, paste the dynamic URL, and send. A REST API is available when you want deeper automation. Imejis is stronger if your workflow is API/MCP-first for social/ecom banners.
If you manage client email programs and need ESP drop-in personalization, team/client roles, and opens-based scale, OKZest is built for that. Imejis remains a fit for API/agent-driven graphic production across social and marketing channels.
Join hundreds of marketing teams already sending personalized images that get results.
Free plan includes 2,500 watermarked images/month · No credit card required
Take a look at OKZest versus the competition and learn how awesome we are.