Best UncovAI AI Detector Extension Alternatives in 2026

Updated October 2026

20 platforms from AI detection software ranked against UncovAI AI Detector Extension on the same published basis.

1
GPTZero Free plan apiextensionWeb $8.33/mo7.7
UncovAI AI Detector Extension vs GPTZero
2
Sapling Free plan apiextensionself-hostedWebWin $5/mo7.7
UncovAI AI Detector Extension vs Sapling
3
Polygraf AI Detector Free plan apiextensionWeb $9.95/mo7.6
UncovAI AI Detector Extension vs Polygraf AI Detector
4
AI Detector Pro Free plan Web Free7.5
UncovAI AI Detector Extension vs AI Detector Pro
5
Pangram Free plan apiextensionWeb $1.67/mo7.5
UncovAI AI Detector Extension vs Pangram
7
Winston AI Free plan apiextensionWeb $5/mo7.5
UncovAI AI Detector Extension vs Winston AI
8
Grammarly Free plan AndroidiOS $12/mo7.1
UncovAI AI Detector Extension vs Grammarly
9
SlopProx Free plan extensionLinuxMacWin £4.08/mo7.1
UncovAI AI Detector Extension vs SlopProx
10
TraceGPT Free trial apiextensionWeb 7.1
UncovAI AI Detector Extension vs TraceGPT
11
Trinka Free plan apiextensionMacself-hostedWeb 7.1
UncovAI AI Detector Extension vs Trinka
12
ZeroTrue Free plan AndroidapiiOSself-hostedWeb Free7.1
UncovAI AI Detector Extension vs ZeroTrue
13
Compilatio AI Detector Free trial apiWeb 7.0
UncovAI AI Detector Extension vs Compilatio AI Detector
14
Copyleaks AI Detector Free trial apiextensionWeb $1.17/mo7.0
UncovAI AI Detector Extension vs Copyleaks AI Detector
15
Detecto Free plan Web $6.99/mo7.0
UncovAI AI Detector Extension vs Detecto
16
Heynotai Free plan apiextensionself-hostedWeb $8/mo7.0
UncovAI AI Detector Extension vs Heynotai
17
IA Checker Free plan iOSWeb €9.90/mo7.0
UncovAI AI Detector Extension vs IA Checker
18
ScribeLens Free plan apiWeb $0.04/mo7.0
UncovAI AI Detector Extension vs ScribeLens
19
Is It AI? Free trial Web £9.99/mo6.9
UncovAI AI Detector Extension vs Is It AI?
20
Learnaway Free plan Web $33.25/mo6.9
UncovAI AI Detector Extension vs Learnaway
21
Originality.ai Free plan apiextensionWeb $12.95/mo6.9
UncovAI AI Detector Extension vs Originality.ai

UncovAI AI Detector Extension alternatives compared

#	Platform	Score	Free plan	From	Runs on
1	GPTZero	7.7	Free plan	$8.33/mo	API, Browser, Web
2	Sapling	7.7	Free plan	$5/mo	API, Browser, self-hosted, Web, Windows
3	Polygraf AI Detector	7.6	Free plan	$9.95/mo	API, Browser, Web
4	AI Detector Pro	7.5	Free plan	Free	Web
5	Pangram	7.5	Free plan	$1.67/mo	API, Browser, Web
7	Winston AI	7.5	Free plan	$5/mo	API, Browser, Web
8	Grammarly	7.1	Free plan	$12/mo	Android, iOS
9	SlopProx	7.1	Free plan	£4.08/mo	Browser, Linux, Mac, Windows
10	TraceGPT	7.1			API, Browser, Web
11	Trinka	7.1	Free plan		API, Browser, Mac, self-hosted, Web, Windows
12	ZeroTrue	7.1	Free plan	Free	Android, API, iOS, self-hosted, Web
13	Compilatio AI Detector	7.0			API, Web
14	Copyleaks AI Detector	7.0		$1.17/mo	API, Browser, Web
15	Detecto	7.0	Free plan	$6.99/mo	Web
16	Heynotai	7.0	Free plan	$8/mo	API, Browser, self-hosted, Web
17	IA Checker	7.0	Free plan	€9.90/mo	iOS, Web
18	ScribeLens	7.0	Free plan	$0.04/mo	API, Web
19	Is It AI?	6.9		£9.99/mo	Web
20	Learnaway	6.9	Free plan	$33.25/mo	Web
21	Originality.ai	6.9	Free plan	$12.95/mo	API, Browser, Web

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Questions about UncovAI AI Detector Extension alternatives

What is the best alternative to UncovAI AI Detector Extension?

GPTZero, number 1 in AI detection software with a score of 7.7 out of 10. The others here: Sapling, Polygraf AI Detector, AI Detector Pro and 16 more.

What is the best free alternative to UncovAI AI Detector Extension?

GPTZero is the best-ranked alternative with a free plan. 16 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.