Brandwave

LegalOn vs Luminance:Which is more popular?

In September 2026, LegalOn had more branded searches than Luminance among contract review platforms worldwide. LegalOn had about 49,500 branded searches, while Luminance had 1,740. LegalOn made up 23.2% 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, LegalOn appeared in all five answers and Luminance in three. LegalOn was mentioned before Luminance in every answer.

Among contract review platforms worldwide in September 2026

Who do people search for more?

LegalOn, about 28 searches for every 1 for Luminance

LegalOn 49.5K searchesLuminance 1.7K searches

Who does AI mention more?

LegalOn, mentioned in every answer we collected

LegalOn in 5 of 5Luminance in 3 of 5

Who does AI recommend more?

LegalOn, named ahead of Luminance in every answer

LegalOn 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, LegalOn 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. LegalOn 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 LegalOn or Luminance more popular in search?

This chart shows how often people search Google for LegalOn 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.

LegalOn and Luminance among contract review platforms worldwide, by month

Share of searches by month for LegalOn, 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 LegalOn and Luminance comparison changed over the last 12 months?

3 findings
  • LegalOn was ahead of Luminance in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, LegalOn’s share of searches among contract review platforms worldwide moved from 36.6% to 23.2%, and its estimated monthly branded searches moved from 60.5K to 49.5K.
  • 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. In September 2026, LegalOn lost share of searches among contract review platforms worldwide, from 26.9% to 23.2%.

  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?

3 search terms

Brandwave collects information about searches that people make online using LegalOn’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.

LegalOn

1 branded search term

  • legalon

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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