Brandwave

Ironclad vs Luminance:Which is more popular?

In September 2026, Ironclad had more branded searches than Luminance among contract review platforms worldwide. Ironclad had about 3,140 branded searches, while Luminance had 1,740. Ironclad made up 1.5% of all contract review platform searches we track, and Luminance accounted for 0.82%. When we asked ChatGPT and Google AI Overviews about contract review platforms, Ironclad appeared in all five answers and Luminance in three. Ironclad was mentioned before Luminance in every answer.

Among contract review platforms worldwide in September 2026

Who do people search for more?

Ironclad, about 80% more searches than Luminance

Ironclad 3.1K searchesLuminance 1.7K searches

Who does AI mention more?

Ironclad, mentioned in every answer we collected

Ironclad in 5 of 5Luminance in 3 of 5

Who does AI recommend more?

Ironclad, named ahead of Luminance in every answer

Ironclad first in 5Luminance never first

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Top contract review platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Ironclad appeared in all five answers. Luminance was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Ironclad was listed before Luminance in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. LegalOn1st
  2. Spellbook2nd
  3. Ironclad3rd
  4. Luminance4th
  5. Juro5th
  6. Harvey6th
  7. Kira7th
  8. LawGeex–
  9. LexCheck–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • LegalOn5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Spellbook5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Ironclad5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Luminance3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Juro3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Harvey2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Kira2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • LawGeex0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • LexCheck0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about contract review platforms

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Is Ironclad or Luminance more popular in search?

This chart shows how often people search Google for Ironclad and Luminance by name. Each line represents a brand's share of searches for all ten contract review platforms we track, month by month, from English-language searches worldwide.

Ironclad and Luminance among contract review platforms worldwide, by month

Share of searches by month for Ironclad, Luminance. The figures are in the table below the chart.

View monthly share of searches table
MonthHarveyLegalOnSpellbookIroncladLuminanceKiraLawGeexJuroLexCheck
Oct 202544.7%36.6%13.4%1.4%1.6%0.97%0.97%0.24%0.24%
Nov 202544.6%36.5%13.3%1.6%1.5%1.2%0.96%0.24%0.19%
Dec 202544.8%36.7%13.4%1.5%1.3%0.74%1.2%0.21%0.16%
Jan 202639.9%39.9%14.6%1.8%1.7%0.86%0.86%0.23%0.17%
Feb 202652.9%29%13%1.7%1.5%0.76%0.76%0.18%0.15%
Mar 202653.2%29.2%13.1%1.4%1.3%0.77%0.63%0.23%0.1%
Apr 202658%26.1%11.7%1.3%1.4%0.69%0.53%0.2%0.09%
May 202657.8%26%11.7%1.8%1.4%0.68%0.46%0.16%0.07%
Jun 202659.5%26.8%9.8%1.8%0.96%0.48%0.48%0.17%0.08%
Jul 202659.5%26.8%9.8%1.9%0.93%0.48%0.48%0.12%0.06%
Aug 202659.7%26.9%9.8%1.9%0.75%0.39%0.32%0.14%0.05%
Sep 202663.3%23.2%10.4%1.5%0.82%0.41%0.28%0.1%0.05%

How has the Ironclad and Luminance comparison changed over the last 12 months?

3 findings
  • The lead changed hands 3 times in the 12 months ending September 2026: Ironclad took it in November 2025, Luminance took it in April 2026, Ironclad took it in May 2026.
  • Across the 12 months ending September 2026, Ironclad’s share of searches among contract review platforms worldwide moved from 1.4% to 1.5%, and its estimated monthly branded searches moved from 2.3K to 3.1K.
  • Across the 12 months ending September 2026, Luminance’s share of searches among contract review platforms worldwide moved from 1.6% to 0.82%, and its estimated monthly branded searches moved from 2.6K to 1.7K.

How did search popularity change for contract review platforms worldwide in September 2026?

2 changes

  1. Estimated monthly branded searches for Ironclad worldwide rose 39.6% over 12 measured months, from 2.3K to 3.1K in September 2026.

  2. Estimated monthly branded searches for Luminance worldwide fell 32.3% over 12 measured months, from 2.6K to 1.7K in September 2026.

How are branded searches counted?

6 search terms

Brandwave collects information about searches that people make online using Ironclad’s and Luminance’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Ironclad

4 branded search terms

  • clm ironclad
  • ironclad clm
  • ironclad contract management
  • ironclad contracts

Luminance

2 branded search terms

  • luminance ai
  • luminance legal

How the Brand Demand Index is measured

Other head-to-heads among contract review platforms

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