Independent reviews, pricing guides, tutorials and head-to-head comparisons for every major Amazon seller tool — each with free alternatives that cost $0.
Amazon seller tools like Helium 10, Jungle Scout, SellerSprite, AMZScout and Keepa can cost $40–$400 per month. Most sellers don't need all of that — especially in their first year. Every guide below tells you exactly what each tool costs, what you actually get, who it's for, and which parts of the workflow you can replace with free tools from ylishi.tools and your own Amazon Seller Central data.
Full plan breakdown (Free/Starter/Platinum/Diamond), what's included at each tier, and free ways to do the same jobs.
Ignore 27 of the 30+ tools. A week-by-week roadmap using only Xray, Black Box and Magnet — and when to upgrade.
Install, set up Success Score, read sales/review/BSR data on any Amazon search page, and shortlist products like a pro.
Reverse-ASIN keyword research with Cerebro and keyword suggestions with Magnet — plus free keyword alternatives.
Head-to-head on features, pricing, and learning curve. Which tool wins depends entirely on your stage.
Basic/Suite/Professional plan breakdown, free-trial and money-back terms, and price comparison with Helium 10.
Why China-based sellers love SellerSprite: multi-language UI, unlimited reverse ASIN at every paid tier, from ~$39/mo.
Deep dive into AMZScout's PRO AI extension and lifetime-deal pricing as the budget pick. Publishing soon.
Keepa is the price-history king — but it's a specialist, not a suite. When to buy Keepa and when free tools are enough.
When does Helium 10 run its biggest sales of the year (Prime Day, Black Friday) and what discounts to expect.
Profit calculator · keyword tool · tariff calculator · FBA tools — all free, no signup.
Free FBA Profit Calculator →数据来源：各工具官网定价页、官方知识库（Helium 10 KB / Jungle Scout KB / SellerSprite）、独立评测（2026 年 8 月交叉核验）。
免责声明：价格与功能信息仅供参考，以各工具官网实时数据为准。ylishi.tools 为免费工具站，不构成财务建议。