Mida vs Optimizely
Both are in A/B testing. Here is how their plans, prices and features compare, taken from each vendor's own site.
The main differences
- Fees: Mida Billed annually, at 100,000 monthly tested users, Quote; Optimizely Custom, request a demo.
| Mida | Optimizely | |
|---|---|---|
| Starting price | Free plan · from $299/mo | Not verified yet |
| Free plan | Yes | Not stated by the vendor |
| Free trial | Yes | Not stated by the vendor |
| Plans | Sandbox ($0); Growth ($299/mo annual); Enterprise () | Agentic Experimentation () |
| Fees | Billed annually, at 100,000 monthly tested users; Quote | Custom, request a demo |
| Best for | Not stated | Not stated |
| Key features | A/B testing and split URL testing; AI generative experimentation (MidaGX); Unlimited variants, tests and goals on Growth; Advanced targeting rules and post-segmentation filtering | A/B, multi-page, feature and server-side testing; Proprietary Stats Engine; Real-time personalization and audience targeting; Warehouse-native analytics |
| Checked on | 2026-10-03 | 2026-10-01 |
Prices change; confirm on the vendor's site before you buy. Full details and sources are on each tool's page.
Mida
- Free Sandbox plan with 100,000 monthly tested users
- 15-day free trial of Growth
- Pricing is by tested users, not by number of tests
Trade-offs
- Sandbox is limited to 2 variants, tests and goals and 60 days of data
- Growth is $299 a month billed annually
- Enterprise is quoted
Optimizely
- Covers web, feature and server-side experimentation in one product
- Warehouse-native analytics
- Part of a wider content and commerce platform
Trade-offs
- No public pricing; plans are packaged individually through a sales conversation
- Built for larger teams rather than small sites
- No free trial listed