Best Free A/B Testing Software for SMBs Smalls
We narrowed 583 tracked tools down to 4 a/b testing picks that fit this scenario, priced from $10 to $12/mo, with 4 offering a free plan.
Editor's Strategic Vetted Verdict
We compared the 4 a/b testing tools that passed the filters on this page. Opti Hub is our top pick — it has a genuinely usable free tier, earns a 4.8/5 editor score, and its dynamic a/b split testing engine is what pushed it ahead. If that is more than you need, MailerLite has a genuinely usable free tier and covers the basics well with its dedicated mailerlite core module dashboard.
We track 583 marketing tools in our index, and 4 of them fit a/b testing for SMBs, smalls, a zero budget. Paid entry ranges from $10 to $12/mo. 4 tools run a free plan, so you can pilot the workflow before paying. You will find cloud, api options in this list. We weighted price, feature depth, integrations, and setup effort rather than marketing claims.
A/B Testing Tools at a Glance
| # | Tool | Editor Score | Starting Price | Free Option |
|---|---|---|---|---|
| 1 | Opti Hub | 4.8/5 | $12/mo | Free plan |
| 2 | MailerLite | 4.3/5 | $10/mo | Free plan |
| 3 | Trig Test | 4.1/5 | Free | Free plan |
| 4 | Splithub | 4/5 | Free | Free plan |
Opti Hub
A next-generation platform for a/b testing optimized for high-velocity marketing pipelines.
MailerLite
A high-performance EMAIL marketing tool designed to optimize campaign metrics, automate database workflows, and drive commercial conversions.
Trig Test
A next-generation platform for a/b testing optimized for high-velocity marketing pipelines.
Splithub
A next-generation platform for a/b testing optimized for high-velocity marketing pipelines.
Our Vetting Methodology & E-E-A-T Standards
Verified by the MKTBee Editorial Board
To assemble these A/B Testing software recommendations, our editorial board conducts rigorous practitioner vetting. We buy active accounts, mock real-world MarTech pipelines, test API throughput, and cross-examine user experiences against verified reviewer directories.
We do not accept placement sponsorships. Our editorial rating score is deterministic, derived by assessing starting pricing models, feature availability (like data extraction limits, workflow nodes, or user access seats), deployment type, and vendor response SLA benchmarks.
Vetted Scenario Insights (FAQ)
QWhat is the best A/B Testing tool for SMBs right now?
We rank Opti Hub first here (4.8/5). Has a genuinely usable free tier, and it leads on dynamic a/b split testing engine. MailerLite is the runner-up if you want a lighter or cheaper option.
QAre there free a/b testing options for SMBs?
Yes — 4 of the 4 tools here run a free plan. Free tiers usually cap seats, projects, or monthly volume, so treat them as a way to pilot the workflow rather than a permanent setup.
QHow do we score these tools?
Our editor score is built from the same signals for every tool: starting price and pricing model, feature depth, deployment options, integrations, and documented support levels. We do not take paid placements, so ranking order is not for sale.