#1 · match 90/100
GrowthBook
GrowthBook — often a stronger value alternative.
FOSS
Cheaper than Split.io
Experimentation and flags.
Typical price: Free/yr · checked 2026-07-27
Top ranked: GrowthBook (free)
Top alternatives (closest match + price)
#2 · match 88/100
Unleash
Unleash — often a stronger value alternative.
FOSS
Quick comparison
| Alternative | Price | Match | Est. savings | |
|---|---|---|---|---|
| Split.io (paid) | Free/yr | — | — | |
| Free | 90 | — | Open | |
| Free | 88 | — | Open |
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FAQ — Split.io alternatives
What is the best free alternative to Split.io?
GrowthBook is ranked #1 free/cheap match for Split.io on CheaperThan (match score 90).
How much can I save switching from Split.io?
Compared with Split.io's listed price, top alternative GrowthBook can save about Free per year (approximate; verify current vendor pricing).
Are cheaper alternatives as good as Split.io?
Match scores estimate feature/use-case fit, not perfection. Always trial free tiers before migrating critical work.
How do I list my product as an alternative to Split.io?
Use List your tool ($9–$49 via PayPal) or Submit for free moderation. Paid placements get faster visibility next to switch-intent searches.
Is your tool a better Split.io alternative?
Get in front of people searching free/cheaper swaps — from $9 via PayPal.