Bill4Time vs CosmoLex:Which is more popular?
In September 2026, CosmoLex had more branded searches than Bill4Time among legal billing software worldwide. CosmoLex had about 6,600 branded searches, while Bill4Time had 5,400. CosmoLex made up 10.8% of all legal billing software searches we track, and Bill4Time accounted for 8.8%. When we asked ChatGPT and Google AI Overviews about legal billing software, CosmoLex appeared in three of the five answers and Bill4Time in two. CosmoLex was mentioned before Bill4Time in three out of five answers.
Who do people search for more?
CosmoLex, about 22% more searches than Bill4Time
Who does AI mention more?
CosmoLex, mentioned in 3 of 5 answers, Bill4Time in 2
Who does AI recommend more?
CosmoLex, named ahead of Bill4Time in 3 of 5 answers
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Top legal billing software in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, CosmoLex was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Bill4Time was mentioned in two out of five: not in any of the three ChatGPT answers, but in both Google AI Overviews. CosmoLex was listed before Bill4Time in three out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Clio1st
MyCase2nd
PracticePanther3rd
LawPay4th
LeanLaw5th- CosmoLex6th
Smokeball7th
TimeSolv8th
Bill4Time9th
Rocket Matter–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Clio5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- MyCase5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- PracticePanther4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- CosmoLex3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- LeanLaw3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- LawPay2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Smokeball2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Bill4Time2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- TimeSolv2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Rocket Matter0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about legal billing software
5 answers
Asked ChatGPT
“Which legal billing system should I use?”
Asked ChatGPT
“What are the best legal billing systems?”
Asked ChatGPT
“What's the best legal billing system for law firm time tracking?”
Searched Google, AI Overview
“legal billing software”
Searched Google, AI Overview
“law firm billing software”
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 21, 2026.
Is Bill4Time or CosmoLex more popular in search?
This chart shows how often people search Google for Bill4Time and CosmoLex by name. Each line represents a brand's share of searches for all ten legal billing software we track, month by month, from English-language searches worldwide.
Share of searches by month for CosmoLex, Bill4Time. The figures are in the table below the chart.
View monthly share of searches table
| Month | LawPay | PracticePanther | Smokeball | CosmoLex | Bill4Time | TimeSolv | Clio | LeanLaw | Rocket Matter | MyCase |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 25.8% | 17.3% | 17.3% | 11.6% | 7.7% | 9.4% | 3.9% | 2.3% | 4.1% | 0.56% |
| Nov 2025 | 24.4% | 16.3% | 19.9% | 13.3% | 7.2% | 8.9% | 3.9% | 2.6% | 3.1% | 0.23% |
| Dec 2025 | 26% | 17.4% | 17.4% | 11.6% | 7.7% | 9.5% | 4.2% | 2.8% | 3.3% | 0.19% |
| Jan 2026 | 22.2% | 18.2% | 18.2% | 12.2% | 8.1% | 9.9% | 4.6% | 2.9% | 3.6% | 0.17% |
| Feb 2026 | 22.3% | 14.9% | 22.3% | 12.2% | 8.2% | 10% | 4.5% | 2.4% | 2.9% | 0.21% |
| Mar 2026 | 21.3% | 17.4% | 21.3% | 11.6% | 7.8% | 9.5% | 5.4% | 2.7% | 2.7% | 0.24% |
| Apr 2026 | 23.3% | 15.6% | 19% | 12.7% | 8.5% | 10.4% | 4.4% | 3% | 3% | 0.22% |
| May 2026 | 24.4% | 16.3% | 19.9% | 13.3% | 7.2% | 8.9% | 4.5% | 2.6% | 2.6% | 0.18% |
| Jun 2026 | 22.9% | 18.8% | 18.8% | 12.6% | 8.4% | 8.4% | 4.2% | 2.9% | 2.9% | 0.22% |
| Jul 2026 | 23.2% | 19% | 23.2% | 10.4% | 8.5% | 6.9% | 3.7% | 2.5% | 2.5% | 0.17% |
| Aug 2026 | 24.2% | 19.8% | 19.8% | 10.8% | 7.2% | 8.8% | 3.8% | 2.6% | 2.6% | 0.18% |
| Sep 2026 | 24.1% | 19.7% | 19.7% | 10.8% | 8.8% | 7.2% | 4.3% | 2.6% | 2.6% | 0.23% |
How has the Bill4Time and CosmoLex comparison changed over the last 12 months?
3 findings
- CosmoLex was ahead of Bill4Time in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Bill4Time’s share of searches among legal billing software worldwide moved from 7.7% to 8.8%, and its estimated monthly branded searches held steady at 5.4K.
- Across the 12 months ending September 2026, CosmoLex’s share of searches among legal billing software worldwide moved from 11.6% to 10.8%, and its estimated monthly branded searches moved from 8.1K to 6.6K.
How did search popularity change for legal billing software worldwide in September 2026?
2 changes
In September 2026, Bill4Time overtook TimeSolv to rank 5th among legal billing software worldwide, with 8.8% of the searches.
Estimated monthly branded searches for CosmoLex worldwide fell 18.5% over 12 measured months, from 8.1K to 6.6K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Bill4Time’s and CosmoLex’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.
Other head-to-heads among legal billing software
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