Dev tools · alternatives · 2026

24 alternatives to A/BBY for Next.js

A/B testing & effortless feature flags for Next.js

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. A/BBY for Next.js launched in 2023; newer entries below may have overtaken it.

1
Flags SDK by Vercel▲433
Free, open-source library for using feature flags in Next.js
2025 · flags-sdk.dev · its alternatives →
2
PageExperiment▲18
Zero effort A/B testing for NextJS
2024 · pageexperiment.com · its alternatives →
3
TheDevStarter▲133
Next.js and Django SaaS Boilerplate
2024 · thedevstarter.com · its alternatives →
4
TestNest▲168
A/B test app meta-data before the App Store release
2014 · testnest.co · its alternatives →
5
Open-source A/B testing framework▲199
Open Source Feature Flags, Experimentation, and Product Analytics - growthbook/growthbook
2021 · github.com · its alternatives →
6
CustomFit.ai 2.0▲174
Easiest A/B testing & website personalization platform
2023 · customfit.ai · its alternatives →
7
Checkmango▲226
The full stack A/B testing platform
2023 · checkmango.com · its alternatives →
8
Tiny A/B Test▲163
Lightweight a/b testing for saas founders
2025 · tinyabtest.com · its alternatives →
9
Dual Kind▲74
Simple A/B testing
2020 · dualkind.com · its alternatives →
10
Taplytics▲108
A/B testing for mobile, web & more
2014 · its alternatives →
11
Taplytics React Native A/B Testing▲75
A/B Testing and Feature Management for your React Native app
2021 · its alternatives →
12
Lean Analytics▲123
A/B testing React apps made easy
2018 · streetlightning.io · its alternatives →
13
No-Code Visual Web Editor by Taplytics▲101
Privacy-first and Fastest No-Code web A/B testing solution
2021 · its alternatives →
14
Next.js SaaS Boilerplate Generator▲96
Generate your Next.js Boilerplate & save time
2023 · its alternatives →
15
Nexty▲22
The Next.js SaaS boilerplate market is saturated, but there's still room if you solve real developer pain points. I believe I've done exactly that – 70+ customers in just 90 days proves there's genuine demand for what Nexty offers. Hi, I'm Jude Wei, a software engineer obsessed with understanding what developers actually need. 90 days ago, I started building what I thought would be just another personal Next.js template. But as features evolved, I realized I was creating something that could genuinely help fellow developers ship faster. That's when Nexty.dev was born. Thanks to incredible…
2025 · nexty.dev · its alternatives →
16
NextBase SAAS Boilerplate▲142
Never waste time building boring pages and features
2023 · usenextbase.com · its alternatives →
17
QuickTest▲74
Affordable user testing for startups and freelancers
2020 · its alternatives →
18
App Brews▲17
Next.js Saas Boilerplate
2024 · its alternatives →
19AS
Ablator – Switch features on or A/B test them inside your app▲47
Ablator is a Service that enables you to roll out functionalities in a controlled way, and perform good A/B testing.
2017 · ablator.io · its alternatives →
20
Sabo▲30
The trendiest Next.js 16 SaaS starter kits for your project.
Nov 2025 · getsabo.com · its alternatives →
21
A/B testing ideas library▲32
30+ examples for more effective A/B testing
2024 · optibase.io · its alternatives →
22
SaaS App Boilerplate▲23
Next.js SaaS boilerplate
2024 · startbase.dev · its alternatives →
23
Open-source A/B testing platform▲11
Open Source Feature Flags, Experimentation, and Product Analytics - growthbook/growthbook
2021 · github.com · its alternatives →
24
Launch Code▲13
A Free next.js Boilerplate | Saves 30+ hours
2024 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →