Legit doesn't mean right for you, though. Check the limits, renewal terms and refund rules below before paying.
Is FastMoss legit? the short answer
FastMoss is a real company selling a real product. Its own site says it has offices in Los Angeles, Singapore, Jakarta and China2, and its site footer lists the contact email info@fastmoss.com and Culver City, CA, USA3.
The shakier part is the marketing math. FastMoss's pricing page claims more than 4.7 million sellers and brands use it3. The company profile page claims over 2,600,000 global customers2, and the company-written Trustpilot description claims 3.8 million users in 19+ countries4. These are FastMoss's own numbers, not audited, and they don't match each other.
*Chart c2: FastMoss's user-count claims across its own pages.*
Review evidence is thin in both directions. On Trustpilot, FastMoss is rated 3.7 out of 5 ("Average") from one customer review, posted Aug 28, 2026. Trustpilot warns that FastMoss hasn't invited customers to review recently, so its reviews may not be representative4.
G2 shows 5.0 from 7 reviews, last modified 2026-11-025. A handful of reviews can't prove the product is great or bad, so treat that score as a small sample.
Table 1: Legit check, checked 2026-11-05
| Signal | What we found | Source |
|---|---|---|
| Seller company | Beijing YOLO Today Technology Co., Ltd. listed on G2 | G2 |
| Offices and address | Offices in Los Angeles, Singapore, Jakarta and China; Culver City, CA contact address | 23 |
| User-count claims | 4.7M+, 2.6M+ and 3.8M claimed on different pages | 324 |
| Trustpilot | 3.7/5 from one review; reviews may not be representative | 4 |
| G2 | 5.0 from 7 reviews | 5 |
| Payment currency | USD or CNY depending on region | 6 |
| Affiliate commission | Up to 15% per sale for referrers | 3 |
What FastMoss does
FastMoss is a research tool for TikTok Shop. It claims sales data for more than 620 million TikTok Shop products, and it also offers TikTok creator analysis and outreach tools aimed at brands finding partners3.
Two sister products sit next to it. MossCreator sends bulk emails to TikTok creators for collaborations. YooFinds is a TikTok Shop affiliate platform connecting merchants with U.S. creators. The Enterprise API service offers tailored API integration, with custom pricing you get by contacting FastMoss for a quote3.
Just as useful is what FastMoss is not. Its pricing page lists data and outreach tools plus AI script features. Nothing on that page covers brand-deal contracts, collecting payment from brands or holding payouts. If your problem is getting deals signed and paid, a data subscription won't fix it.
Treat the "Trusted by over 80% of the top 500 shops" line as FastMoss's own, unverified claim2.
FastMoss pricing in 2026
Those prices start in month two, and the first month can cost less. Basic's first month is $29, and Ultimate's is $99 before it moves to $1391. FastMoss runs promotions, so confirm the live price at checkout.
G2 lists lower monthly prices for the same plans: Basic $22, Pro $40 and Ultimate $62, last updated 2026-11-027. Fees don't include taxes, which the buyer pays6.
*Chart c1: FastMoss monthly list prices by plan.*
Paid monthly at list price, a year costs $588 on Basic ($49 x 12) and $1,068 on Pro ($89 x 12). Ultimate comes to $1,668 ($139 x 12), before taxes. The step from Basic to Pro adds $40 a month, and Pro to Ultimate adds $50 a month.
Table 2: What the tiers include (lowest to highest listed tier)
| Limit | Lowest tier | Middle tier | Highest tier |
|---|---|---|---|
| Creator contact views and exports | 5 contacts/day, no contact export1 | 300 contacts/day1 | Contact export: 2 exports/day per user, up to 3,000 records each31 |
| Data exports per month | 10 | 100 | 150 |
| Detail-page export cap | Top 50 records | Top 300 records | Top 3,000 records |
| Historical data range | 90 days | 180 days | 1,200 days1 |
Creator contact views are 5 a day on Basic and 300 a day on Pro, and contact export is on Ultimate only1. Contact export is 2 exports a day per user of up to 3,000 records each. Data exports rise from 10 monthly to 150 across the tiers, and detail-page export caps move from the top 50 records to the top 3,0003. Historical data goes back 90 days on Basic, 180 days on Pro and 1,200 days on Ultimate1.
FastMoss's own blog ties the contact limits to specific plans, so the columns above run from Basic to Pro to Ultimate1. Confirm the details on the live pricing page before you buy.
The contact caps matter more than the sticker price. Over a 30-day month, 5 contacts daily gives you 150 contact views. At 300 daily, you get 9,000. That is a wide gap. Closing it takes just one move, the Basic to Pro step, which adds $40 a month.
Free trial, renewal and refunds
The trial is genuinely low risk. FastMoss says new users get a 7-day free trial with no credit card and no auto-renewal3. Some third-party reviews describe the trial differently, so trust FastMoss's own FAQ wording, which was current when checked.
Paid plans work differently: FastMoss's payment agreement says subscriptions may renew automatically unless you cancel in your account profile. Cancelling stops the renewal, but FastMoss gives no refund for the unused part of a billing period6. Access continues until the end of the current billing cycle3.
Say you pay $89 for Pro on the 1st and cancel on the 10th. You keep access until the cycle ends, but you get nothing back for the unused days.
So put a reminder in your calendar for the day before renewal and cancel then. You can upgrade your plan anytime in account settings if you start low3.
Who FastMoss fits, and who should skip it
FastMoss fits brands and sellers doing product and competitor research who want product sales data and creator analysis tools. Agencies that need exports should compare the higher tiers' export caps3.
It fits poorly if you need many creator contacts each day, since one tier caps contact views at 5 daily3. It's also a weak match if you're a creator who wants brand deals, not data. Research tools don't sign contracts for you.
Read promo-code reviews with care. FastMoss runs an affiliate program that pays up to 15% commission on each sale a referrer generates3.
That doesn't make those reviews fake, but the reviewer may earn from your signup, so check the primary pages yourself. If you're weighing data tools, the FastMoss vs Kalodata comparison lays out prices and limits side by side. Brands can also read how to find TikTok Shop creators.
If you need brand deals handled, not more data
FastMoss helps with research. Handling the deal itself is a different job.
Rateful is an AI manager for TikTok Shop creators. Its AI, Sam, answers brand emails sent to the creator's handle@rateful.ai address. Sam negotiates to the creator's rate card and never goes below their minimum, and the creator approves every deal.
Sam sends the brand a written agreement, and the brand pays through Rateful. The creator's deposit is released before filming, and Rateful holds only the rest until the posts are live. The agreement states the exact payment plan.
Rateful takes 0% of the deal. On a $500 deal, the brand pays the $500 plus booking protection of about 5% (about $25), shown before paying, so about $525 total. The creator's deal amount stays $500. Creators pay nothing until their first deal closes.
They then choose Pro at $49 monthly, Scale at $149 monthly or the Free plan, and every plan includes a scam check on brand emails.
Payouts go to the creator's Stripe account and are US-only for now, and creators must be 18 or older, and Rateful can't promise earnings.
Brands can browse TikTok Shop creators on Rateful, whose public pages at rateful.ai/@handle show packages and recent videos with numbers, and book there. For the full split, see FastMoss alternatives: data tools vs Rateful, and for the outreach side, how creators get brand deals on TikTok.
Questions people ask
Is FastMoss safe to use
FastMoss lists several offices and a US contact address23. Payments process in US dollars or Chinese yuan depending on region and payment provider6. Nothing in the sources we checked suggests it is a scam site.
Does FastMoss free trial auto renew
FastMoss's FAQ says the 7-day trial needs no credit card and has no auto-renewal3. Paid subscriptions are the ones that may renew automatically6. Cancel in your account profile to stop that.
Can I get a refund from FastMoss
FastMoss doesn't refund the unused days of a billing period after you cancel6. Your access runs until your current billing cycle ends3. Cancel before the renewal date if you don't want another month charged.
Who owns FastMoss
G2 names the seller as Beijing YOLO Today Technology Co., Ltd. FastMoss has offices in four locations2, with a Culver City, CA contact address on its site3.
How much is FastMoss per month
After the first month, list prices run from $49 to $139 depending on the plan1, and taxes are extra6. G2 shows lower prices, so confirm the live price at checkout.
Is FastMoss worth it for TikTok Shop creators
FastMoss is built for research, with product sales data and creator analysis tools. If you sell on TikTok Shop or build creator shortlists, it is built for that use, so check the tier caps3 against your needs. If you're a creator who wants paid brand deals rather than data, a research subscription won't handle the contract or the payment.