# B2Brain vs Popl: which do AI models recommend for event lead capture, October 2026

GTM AI Recommendation Index, October 2026 Edition, Event lead capture apps. One of fourteen models named B2Brain first on the direct prompt; one named Popl. Page: https://gtm-ai-index.com/marketing/event-lead-capture/b2brain-vs-popl/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| B2Brain | 4% | #7 of 13 | 5% | 21 | 10 of 14 |
| Popl | 4% | #8 of 13 | 27% | 30 | 13 of 14 |

## The direct prompt, model by model

- MiniMax M2.5: b2brain first (first choices: B2Brain, Mobly Capture) (alternatives: Accelevents, Eventleaf Lead Retrieval App, Popl)
- GPT-5.4 mini: popl first (first choices: Popl) (alternatives: Captello, iCapture)
- Claude Haiku 4.5: neither first, one named (first choices: Blinq) (alternatives: B2Brain, Conexa, iCapture)
- Gemini 3.5 Flash: neither first, one named (first choices: BoothIQ, Mobly Capture) (alternatives: Blinq, Captello, Popl, iCapture)
- Perplexity Sonar: neither first, one named (first choices: Blinq) (alternatives: B2Brain, Cvent LeadCapture, momencio)
- DeepSeek V4 Flash: neither first, one named (first choices: Blinq) (alternatives: B2Brain, Eventleaf Lead Retrieval App, Mobly Capture, iCapture)
- Grok 4.1 Fast: neither named (first choices: Blinq) (alternatives: Captello, Mobly Capture, iCapture, momencio)
- Mistral Small: neither named (first choices: Blinq, momencio) (alternatives: Mobly Capture)
- Llama 4 Maverick: neither named
- Qwen 3.7 Flash: neither named (first choices: Whova) (alternatives: Attendify, Swapcard)
- Kimi K2: neither named (first choices: Wave Connect, momencio) (alternatives: Eventleaf Lead Retrieval App, iCapture)
- GLM 4.7 FlashX: neither named (first choices: Mobly Capture) (alternatives: Blinq, Zuddl, momencio)
- GPT-6 Luna: neither named (first choices: Cvent iCapture) (alternatives: Captello, LeadCapture)
- Muse Glimmer 30B: neither named (first choices: Blinq, momencio) (alternatives: iCapture)

## What the models said about B2Brain

- "Low-Velocity Review Platforms (e.g., B2Brain, Mobly) ... require more due diligence before enterprise adoption." (Qwen 3.7 Flash, negative prompt, soft negative)
- "I'd recommend starting with Mobly Capture or B2Brain" (MiniMax M2.5, direct prompt, first choice)
- "I would recommend B2Brain as the top choice" (DeepSeek V4 Flash, paraphrase prompt, first choice)
- "B2Brain is purpose-built to turn scans into booked meetings and attributable pipeline — the strongest ROI case in the category." (DeepSeek V4 Flash, direct prompt, alternative)

## What the models said about Popl

- "Many users across reviews complain the cost is too high... Multiple users report the app freezing and crashing during setup" (DeepSeek V4 Flash, negative prompt, hard negative)
- "Popl - Inconsistent badge scanning - Returns no contact data at some conferences" (GLM 4.7 FlashX, negative prompt, hard negative)
- "Popl announced a partnership with Apollo and RocketReach to power the data layer behind its enrichment... Enrichment tools that automatically add emails... raise GDPR Art.6 legal basis" (Muse Glimmer 30B, negative prompt, soft negative)
- "Choose Blinq or Popl if you want an affordable, modern, seat-based app for your sales reps" (Gemini 3.5 Flash, comparative prompt, first choice)
- "prioritize "universal" third-party lead capture apps (like Blinq, Popl, iCapture, or Mobly)" (Gemini 3.5 Flash, negative prompt, first choice)
- "Best overall budget pick: Blinq or Popl" (GPT-5.4 mini, budget prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.