Side by side

BigSpy vs Sensor Tower

Both stand on digital advertising intelligence software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Choose Sensor Tower if your work calls for market intelligence spanning apps, advertising, web, and games, particularly when you need competitor analysis or data feeds. Look elsewhere if you need a published price or full access without a paid plan.

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The facts

	BigSpy	Sensor Tower
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Web	API, Web
Lowest paid plan	Starter: $588 a year	Free or on request
Plans published	2	1
Maker	Not published	Not published
Website	bigspy.com	sensortower.com
On digital advertising intelligence software	#3 of 9	#1 of 9

BigSpy: what it does well

Sensor Tower: what it does well

Tracks app downloads, revenue, engagement, retention, and rankings.
Supports competitor benchmarking and app-store keyword research.
Covers advertising measures including estimated spend and share of voice.
Reports web audience, visits, and unique visitors.
Provides game sales, revenue, active-user, and wishlist measures.

What to know first

Full access is through paid plans.
Pricing is customized and requires a request.
The MCP Server requires an active Sensor Tower API subscription.

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