Growth · alternatives · 2026

24 alternatives to GTM SPY

Get Insights From Competitors Google Tag Manager

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. GTM SPY launched in 2019; newer entries below may have overtaken it.

1. 1
   GTM Container Analyzer▲6

   Analyze Google Tag Manager containers in one glance

   Jan 2026 · gtmcontaineranalyzer.com · its alternatives →

2. 2
   tagstack.io▲74

   Audit any Google Tag Manager container in seconds

   2024 · tagstack.io · its alternatives →

3. 3
   Scale8 - Tag Manager & Web Analytics▲114

   Open-source | Tag Management | Analytics | JS Error Tracking

   2022 · scale8.com · its alternatives →

4. 4
   LLM SEO Monitor▲526

   Monitor what ChatGPT, Google Gemini and Claude recommend

   2025 · llmseomonitor.com · its alternatives →

5. 5
   GTM Analyzer▲3

   Instant Google Tag Manager account Analysis and Clarity

   Feb 2026 · gtmalyzer.com · its alternatives →

6. 6
   GTM Testing▲8

   Free A/B Testing with Google Tag Manager

   2017 · abtestguide.com · its alternatives →

7. 7
   Scaleo▲13

   Affiliate marketing software for advertisers and networks

   2021 · scaleo.io · its alternatives →

8. 8
   Analyzify▲185

   Google tag manager and analytics app for your Shopify store

   2021 · analyzify.com · its alternatives →

9. 9
   Tagglo▲13

   The GTM UI you wish Google built

   Jul 2026 · tagglo.co · its alternatives →

10. 10
    GTM Docs▲4

    The features you wish were part of Google Tag Manager

    2021 · gtmdocs.com · its alternatives →

11. 11
    Google Tag Manager▲34

    Easy for marketers to add & update their website tags

    2014 · google.com · its alternatives →

12. 12
    TagManagerBuilder▲2

    Free GTM Container Builder & Server-Side Tracking Recopies

    Aug 2026 · tagmanagerbuilder.com · its alternatives →

13. 13
    LLM SEO Report▲302

    Check your brand's visibility on ChatGPT and Google Gemini

    2025 · llmseoreport.com · its alternatives →

14. 14
    Sendrfree tier, from $119/mo▲326

    Your complete GTM stack, powered by AI

    Nov 2025 · sendr.ai · its alternatives →

15. 15
    GTM Canvas▲119

    Go-to market strategy builder canvas

    2023 · gtmcanvas.com · its alternatives →

16. 16
    Google Analytics Lead Generator▲241

    Instantly get free leads from Google Analytics

    2019 · whoisvisiting.com · its alternatives →

17. 17
    WebTrafficWatch▲248

    Weekly insights from Google Analytics 4 & Search Console

    2025 · webtrafficwatch.com · its alternatives →

18. 18
    RankTracker▲250

    Track up to 500 keyword rankings on Google for free

    2022 · seotesting.com · its alternatives →

19. 19
    Plugins Radar▲78

    Search rankings and competitor alerts for ChatGPT plugins

    22d ago · pluginsradar.com · its alternatives →

20. 20
    Google SERP Analyzer▲98

    No more general SEO insights: make data-driven decisions

    2023 · seoreviewtools.com · its alternatives →

21. 21
    Tag Master▲3

    Debug GA4 & GTM like a pro - all tools in one side panel

    Feb 2026 · tagmaster.dev · its alternatives →

22. 22
    An open-source, privacy-friendly Google Analytics and GTM alternative▲23

    Website analytics, JavaScript error tracking + analytics, tag manager, data ingest endpoint creation (tracking pixels). GDPR + CCPA compliant. - scale8/scale8-tag-manager-and-analytics

    2022 · github.com · its alternatives →

23. 23
    Leadspicker▲167

    Deploy LinkedIn GTM workflows & AI bots easily with outreach

    2024 · leadspicker.com · its alternatives →

24. 24
    TrackYourForm▲72

    Track engagements by adding analytics to forms with 1 click

    2023 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →