Prices checked Oct 14, 2026 to Oct 19, 2026 on vendor pages

Amazon PPC tools under $100 a month

Short answer

If you spend little on ads, you don't need a $695/mo tool. Signalytics starts at $45/mo, m19's Sponsored Products autopilot starts at $59/mo, and Scale Insights starts at $78/mo for 5 automated ASINs. Adspert starts at €99/mo but also takes a % of ad spend. For comparison, Teikametrics Essentials is $149/mo billed yearly.

Quick picks

Lowest price: Signalytics Starter, $45/mo.
Hands-off Sponsored Products: m19, from $59/mo. Aimed at under ~$5K/mo ad spend.
You like setting rules: Scale Insights, from $78/mo (5 automated ASINs).
Research + PPC in one: SellerApp, free plan; Pro from $99/mo.

All options compared

Tool	Price	Checked	Best for	Who it fits	The catch
Signalytics	SaaS: Starter $45, Growth $95, Professional $195 per month ($450/$950/$1,950 yearly) source	Oct 14, 2026	AI-assisted Amazon PPC with optional managed service	Small to mid Amazon sellers wanting PPC help	Feature limits per tier are based on AI 'credits'; check what you need
m19	From $59/mo source	Oct 19, 2026	Hands-off Amazon Sponsored Products automation (Autopilot) with a clear entry price	Amazon sellers and vendors with under ~$5K/mo ad spend who want SP automation without a full agency stack	Autopilot is SP-only; Professional adds % of ad spend and is aimed at higher spend
Scale Insights	From $78/mo (5 automated ASINs) source	Oct 19, 2026	Template-based Amazon PPC automation	Sellers comfortable with rule logic	Setup takes effort
Adspert	€99, €499, €999 per month plus a % commission on optimized ad spend (from 1.7%) source	Oct 14, 2026	AI bid management for Amazon and Google Ads	Sellers who want hands-off bid automation	Base fee plus a % of managed ad spend, so cost grows with spend
SellerApp	Free; Pro from $99/mo source	Oct 19, 2026	Research plus PPC automation in one	Small brands wanting combined research + ads	Jack of all trades
Teikametrics	Essentials $149/mo yearly or $179/mo monthly (up to $10K ad spend); higher tiers custom source	Oct 14, 2026	AI bid optimization tied to inventory/profit	Growing Amazon & Walmart brands	Pricing scales with ad spend

Prices come from each vendor's own pricing page on the date shown. "Not verified" means we could not confirm a price that day. Always check the vendor site before you buy.

FAQ

What is the cheapest Amazon PPC tool?

Of the tools we list with checked prices, Signalytics Starter at $45/mo is the lowest.

Do any tools charge a % of ad spend?

Yes. Adspert adds a commission on optimized ad spend (from 1.7%), and m19's Professional plan adds a % of ad spend.

When should I pay more?

When ad spend grows. Teikametrics Essentials ($149/mo yearly) covers up to $10K ad spend, and higher tiers are custom.

Disclosure: some outbound links may be affiliate links, and sponsored placements are always labeled "Sponsored". Verdicts and rankings are not for sale. Pricing is checked against vendor pages and dated; always confirm on the vendor site.