Referral Rock vs Smile.io:Which is more popular?
In September 2026, Referral Rock and Smile.io were level in searches among referral marketing platforms worldwide, with an estimated 1K versus 970 branded searches, at 2.6% of the total each. When we asked ChatGPT and Google AI Overviews about referral marketing platforms, Referral Rock appeared in three of the five answers and Smile.io in none.
Who do people search for more?
Referral Rock and Smile.io are searched for about as often as each other.
Who does AI mention more?
Referral Rock, mentioned in 3 of 5 answers, Smile.io in 0
Who does AI recommend more?
Referral Rock, the only one of the two named
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Top referral marketing platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Referral Rock was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Smile.io did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
ReferralCandy5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- GrowSurf4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Referral Rock3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Referral Factory3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Viral Loops2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Friendbuy2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Talkable1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Yotpo0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Mention Me0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Smile.io0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about referral marketing platforms
5 answers
Asked ChatGPT
“Which referral marketing platform should I use?”
Asked ChatGPT
“What are the best referral marketing platforms?”
Asked ChatGPT
“What's the best referral marketing platform for customer referrals?”
Searched Google, AI Overview
“referral marketing platform”
Searched Google, AI Overview
“customer referral 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 Referral Rock or Smile.io more popular in search?
This chart shows how often people search Google for Referral Rock and Smile.io by name. Each line represents a brand's share of searches for all 12 referral marketing platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for Referral Rock, Smile.io. The figures are in the table below the chart.
View monthly share of searches table
| Month | Yotpo | Mention Me | Ambassador | Talkable | Viral Loops | Extole | ReferralCandy | Friendbuy | GrowSurf | Referral Rock | Smile.io | Referral Factory |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 52.3% | 6.9% | 6.9% | 4.6% | 6.9% | 3.7% | 5.7% | 1.9% | 1.9% | 3.7% | 2.1% | 3.1% |
| Nov 2025 | 48.9% | 7.9% | 6.4% | 4.2% | 9.7% | 3.6% | 5.4% | 2.2% | 2.2% | 3.5% | 2.5% | 3.5% |
| Dec 2025 | 52.8% | 6.9% | 6.9% | 4.5% | 6.9% | 3.2% | 5.8% | 2.4% | 2.1% | 3.1% | 2.3% | 3.1% |
| Jan 2026 | 47.8% | 11.6% | 7.8% | 4.1% | 6.2% | 3.5% | 5.3% | 2.2% | 2.2% | 3.4% | 2.4% | 3.4% |
| Feb 2026 | 35.9% | 35.9% | 4.7% | 3.1% | 4.7% | 2.6% | 4% | 1.6% | 1.6% | 2.1% | 1.8% | 2.1% |
| Mar 2026 | 44% | 19.6% | 7.1% | 3.8% | 5.7% | 3.2% | 4.9% | 2% | 1.7% | 2.6% | 2.8% | 2.6% |
| Apr 2026 | 48.7% | 14.5% | 7.9% | 4.2% | 5.3% | 3.6% | 4.3% | 2.2% | 1.9% | 2.2% | 2.4% | 2.9% |
| May 2026 | 49.7% | 14.8% | 6.5% | 4.3% | 5.4% | 3% | 4.4% | 2.3% | 2.2% | 2.2% | 2.5% | 2.9% |
| Jun 2026 | 50.9% | 12.4% | 8.3% | 4.4% | 4.4% | 3% | 3.8% | 3% | 3% | 2.3% | 2.3% | 2.3% |
| Jul 2026 | 51.3% | 12.5% | 8.3% | 3.7% | 4.4% | 3.7% | 3.8% | 3% | 2.3% | 2.3% | 2.3% | 2.3% |
| Aug 2026 | 47.1% | 14.1% | 9.4% | 4.2% | 4.2% | 3.5% | 3.5% | 3.4% | 2.6% | 2.6% | 2.9% | 2.6% |
| Sep 2026 | 47.6% | 11.6% | 9.5% | 5% | 5% | 4.3% | 3.5% | 3.4% | 2.6% | 2.6% | 2.6% | 2.3% |
How has the Referral Rock and Smile.io comparison changed over the last 12 months?
3 findings
- The lead changed hands 2 times in the 12 months ending September 2026: Smile.io took it in March 2026, Referral Rock took it in September 2026.
- Across the 12 months ending September 2026, Referral Rock’s share of searches among referral marketing platforms worldwide moved from 3.7% to 2.6%, and its estimated monthly branded searches moved from 1.9K to 1K.
- Across the 12 months ending September 2026, Smile.io’s share of searches among referral marketing platforms worldwide moved from 2.1% to 2.6%, and its estimated monthly branded searches moved from 1.1K to 970.
How did search popularity change for referral marketing platforms worldwide in September 2026?
2 changes
In September 2026, Referral Rock rose from 12th to 10th among referral marketing platforms worldwide.
In September 2026, Smile.io fell from 9th to 11th among referral marketing platforms worldwide.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using Referral Rock’s and Smile.io’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.
Referral Rock
1 branded search term
- referral rock
Smile.io
3 branded search terms
- smile.io
- smile.io points
- smile.io rewards
Other head-to-heads among referral marketing platforms
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