Stop Reading 500 Reviews.
Get the Truth in 30 Seconds.
ReviewSift is the first tool that analyzes reviews from Amazon, Reddit, YouTube, and TikTok Shop simultaneously. Find competitor weaknesses. Discover product opportunities. Make data-backed decisions.
No credit card required. First report is free.
What ReviewSift Does
4-Platform Analysis
Amazon, Reddit, YouTube, and TikTok Shop reviews analyzed simultaneously. Each platform reveals different insights — combined, they show the complete picture.
Other tools only scrape Amazon. We cross-reference 4 platforms because Amazon inflates ratings by ~0.8 stars while Reddit tells you what people actually think.
30-Second Reports
Enter an Amazon ASIN or product name. Get a structured report with complaint clusters, sentiment analysis, missing features, and product opportunity gaps.
Manual competitive analysis takes 4-8 hours per product. Our AI reads 500+ reviews and delivers the synthesis in seconds.
VS Comparisons
Head-to-head product comparisons scored across 8-10 categories with cross-platform insights. See where each product wins and where the market gap is.
10 published comparisons covering supplements, audio, kitchen, office, smart home, health, gaming, and sleep.
REST API
Automate reports via POST /api/analyze. Structured JSON responses. Build dashboards, schedule recurring competitive monitoring, pipe to Slack.
Agency pack: 200 reports at $0.40 each. Credits never expire. No subscription.
Embeddable Widgets
Share reports as embedded cards on client sites or internal dashboards. Share tokens for controlled access. Viewers don't need an account.
Perfect for agencies delivering competitive intelligence to clients as a recurring deliverable.
Product Opportunity Gaps
Every report identifies what customers want but no product delivers. The specific feature combination, price point, and target buyer for a winning product.
This is the insight product managers and DTC founders pay $10K+ for from consulting firms. We extract it from real customer language.
Built For
DTC Founders
Find the product gap your competitor's customers are begging for. Build the product that existing reviews prove people want.
Product Managers
Turn competitor complaint data into your product roadmap. Prioritize features based on what real customers actually hate about alternatives.
Amazon Sellers
Identify which complaints are manufacturing issues vs. marketing failures. Find the positioning angle reviews prove works.
Marketing Agencies
Deliver competitor intelligence reports to clients in minutes instead of weeks. API-powered, embeddable, at $0.40/report.
Content Creators
Back your reviews with real cross-platform data. Show audiences what 2,000+ buyers actually experienced, not just your sample of one.
Investors & Analysts
Assess market sentiment across platforms before due diligence meetings. Cross-platform review data is a leading indicator traditional tools miss.
See It in Action
Browse our published VS comparisons — each built from 800-2,300+ real reviews across 4 platforms.
Sony WH-1000XM5 vs Bose QC45
ON Gold Standard vs Dymatize ISO100
Casper vs Purple Mattress
Roomba j7+ vs Roborock S8 Pro Ultra
G Pro X Superlight 2 vs Razer Viper V3
Levoit Core 300S vs Coway Airmega
Try It Now — First Report Free
Enter any Amazon product or ASIN. Get a cross-platform review analysis in 30 seconds. No account required for your first report.