Airbase vs BILL Spend & Expense:Which is more popular?
In September 2026, Airbase had more branded searches than BILL Spend & Expense among spend management platforms worldwide. Airbase had about 40,500 branded searches, while BILL Spend & Expense had 390. Airbase made up 3.7% of all spend management platform searches we track, and BILL Spend & Expense accounted for 0.04%. When we asked ChatGPT and Google AI Overviews about spend management platforms, Airbase appeared in four of the five answers and BILL Spend & Expense in three. BILL Spend & Expense was mentioned before Airbase in three out of four answers that named either.
Who do people search for more?
Airbase, about 104 searches for every 1 for BILL Spend & Expense
Who does AI mention more?
Airbase, mentioned in 4 of 5 answers, BILL Spend & Expense in 3
Who does AI recommend more?
BILL Spend & Expense, named ahead of Airbase in 3 of 4 answers
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Top spend management platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Airbase was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. BILL Spend & Expense was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. BILL Spend & Expense was listed before Airbase in three out of four answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Ramp1st
Brex2nd- BILL Spend & Expense3rd
SAP Concur4th
Airbase5th
Coupa6th- Rippling Spend7th
Expensify8th
Navan9th
Mesh Payments–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Brex5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Ramp5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Airbase4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
SAP Concur3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers- BILL Spend & Expense3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Coupa2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Expensify2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Rippling Spend2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Navan1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Mesh Payments0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about spend management platforms
5 answers
Asked ChatGPT
“Which spend management platform should I use?”
Asked ChatGPT
“What are the best spend management platforms?”
Asked ChatGPT
“What's the best spend management platform for a finance team?”
Searched Google, AI Overview
“spend management platform”
Searched Google, AI Overview
“best spend management 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 Airbase or BILL Spend & Expense more popular in search?
This chart shows how often people search Google for Airbase and BILL Spend & Expense by name. Each line represents a brand's share of searches for all ten spend management platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for Airbase, BILL Spend & Expense. The figures are in the table below the chart.
View monthly share of searches table
| Month | Navan | SAP Concur | Coupa | Expensify | Brex | Airbase | Ramp | Mesh Payments | BILL Spend & Expense | Rippling Spend |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 34.6% | 22.5% | 18% | 12.2% | 8.5% | 3.6% | 0.29% | 0.21% | 0.03% | 0.05% |
| Nov 2025 | 29.5% | 23.4% | 18.8% | 12.7% | 10.4% | 4.6% | 0.31% | 0.27% | 0.03% | 0.05% |
| Dec 2025 | 24.8% | 23.9% | 19.3% | 16% | 10.7% | 4.7% | 0.31% | 0.22% | 0.03% | 0.06% |
| Jan 2026 | 28.1% | 18.2% | 14.6% | 12.2% | 22% | 4.4% | 0.25% | 0.21% | 0.03% | 0.05% |
| Feb 2026 | 28.2% | 22.3% | 17.9% | 12.3% | 12.1% | 6.6% | 0.37% | 0.26% | 0.04% | 0.06% |
| Mar 2026 | 28.5% | 22.4% | 17.9% | 12.4% | 10% | 8.1% | 0.37% | 0.21% | 0.03% | 0.04% |
| Apr 2026 | 30.4% | 23.8% | 19.1% | 10.7% | 10.6% | 4.7% | 0.32% | 0.23% | 0.04% | 0.05% |
| May 2026 | 34% | 21.9% | 17.6% | 11.8% | 9.8% | 4.3% | 0.35% | 0.26% | 0.03% | 0.05% |
| Jun 2026 | 31.3% | 24.6% | 19.7% | 10.8% | 9% | 4% | 0.32% | 0.24% | 0.05% | 0.03% |
| Jul 2026 | 33.8% | 21.9% | 17.7% | 11.8% | 9.9% | 4.3% | 0.29% | 0.26% | 0.04% | 0.03% |
| Aug 2026 | 38.2% | 20.4% | 16.5% | 11% | 9.1% | 4% | 0.33% | 0.24% | 0.05% | 0.03% |
| Sep 2026 | 35.5% | 23% | 18.5% | 10.1% | 8.5% | 3.7% | 0.3% | 0.22% | 0.04% | 0.02% |
How has the Airbase and BILL Spend & Expense comparison changed over the last 12 months?
3 findings
- Airbase was ahead of BILL Spend & Expense in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Airbase’s share of searches among spend management platforms worldwide moved from 3.6% to 3.7%, and its estimated monthly branded searches held steady at 40.5K.
- Across the 12 months ending September 2026, BILL Spend & Expense’s share of searches among spend management platforms worldwide moved from 0.03% to 0.04%, and its estimated monthly branded searches held steady at 390.
How did search popularity change for spend management platforms worldwide in September 2026?
0 changes
Neither Airbase nor BILL Spend & Expense moved beyond provider rounding among spend management platforms in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Airbase’s and BILL Spend & Expense’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.
Airbase
1 branded search term
- airbase
BILL Spend & Expense
1 branded search term
- bill spend & expense
Other head-to-heads among spend management platforms

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