Alternatives to 99tests
30 alternatives to 99tests in AI testing & review. Ones the founder approved come first; the rest are listings in the same category.
GPTZero
AI detector that identifies content generated by large language models
- Same category
Originality.ai™
Most accurate AI detector for identifying ChatGPT, GPT-5, Gemini and other AI-generated content
- Same category
- Canada
Papercuts
Test in Production
- Same category
- Startup
Storewalk
AI shopping agent readiness audit for e-commerce stores
- Same category
- Ukraine
StagingBench
Independent benchmark of AI virtual staging tools tested side by side
- Same category
Crowthy
AI-powered landing page optimization for Hotmart product creators
- Same category
- Brazil
PerfAgents
Unified performance test orchestration platform for distributed JMeter execution, synchronized workflows, and real-time performance insights
- Same category
FYProof
Check your video against platform rules before you post it
- Same category
- Startup
- United States
PageCritic
AI landing page audit tool that scores conversion and identifies the biggest problems with fixes
- Same category
Pixelait
AI-powered interface analysis for professional UI feedback
- Same category
- United States
Claude Watermark Detector & Remover
Check text for possible Claude AI involvement and understand how Claude's text watermark works
- Same category
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Turnitin AI Detector
Free AI detection for essays and academic writing before submission
- Same category
- Startup
WasItAI
Detect whether images are AI-generated or created by humans
- Same category
Guardana
Open-source AI security verification
- Same category
AI Detector
Free AI content detector with sentence-level insights, no signup required
- Same category
HiTest
AI QA agent for regression testing websites
- Same category
- United States
OmniDetect
Free AI content detector that shows which passages read as AI, how strongly, and what to change before you submit.
- Same category
BotGauge
AI agent red-teaming platform for testing, evaluation, monitoring, and governance
- Same category
- United States
Flamio
AI agent that walks your product like a user, finds friction points, and returns ranked fixes
- Same category
- Ukraine
PromptBrake
Automated AI security testing for chatbots, agents, and APIs
- Same category
TAMI Studio by UI-licious
AI-powered test case management and UI automation platform
- Same category
Aiscern
Enterprise AI verification platform for text, image, audio, and video content
- Same category
- Startup
- Pakistan
Mirtio
AI-powered tabletop exercise platform for crisis and operational readiness training
- Same category
- Greece
Redthread
AI pentesting platform that proves which vulnerabilities are real with working exploits
- Same category
- United States
Behavly
Generate simple yet effective suggestions to improve your website's copywriting, design, and user experience
- Same category
Kirro
A/B testing made simple
- Same category
- Netherlands
AIQualityHQ
Automated QA, security guardrails, and token intelligence for prompts and AI agents
- Same category
- Startup
- United States
DrawDog
Prove a human made it
- Same category
Clever AI Detector
Free AI checker that estimates text probability as AI-generated with sentence-level analysis
- Same category
- United States
Inquio
Bot QA platform that analyzes chatbot conversations and provides actionable quality insights
- Same category
- Startup
- United States