Popular all‑in‑one email & marketing platform for small→mid teams (campaigns, automations, landing pages, AI content tools).
Rank HistoryAVG#1.1
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.54.4
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.9.5%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.60%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#1.1
Enterprise‑grade marketing hub with integrated CRM, strong email automation and AI features — common choice for inbound/B2B marketers.
Rank HistoryAVG#2.8
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.63.2
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.9.0%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.65%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#2.8
Ecommerce‑focused email & SMS platform known for deep Shopify integrations and powerful personalization/AI.
Rank HistoryAVG#2.3
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.51.5
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.8.6%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.59%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#2.3
Marketing automation + CRM with advanced workflows and conditional logic—favored by SMBs that need sophisticated automations.
Rank HistoryAVG#4.6
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.50.1
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.8.1%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.54%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#4.6
Scalable enterprise email & cross‑channel marketing platform for large organizations with deep data integrations.
Rank HistoryAVG#5.7
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.63.1
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.7.6%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.54%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#5.7
Enterprise marketing automation (nurture programs, complex journeys) used widely in B2B/large enterprise stacks.
Rank HistoryAVG#6.8
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.70.3
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.7.1%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.66%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#6.8
Widely used email API and marketing/transactional sending platform (SendGrid) offering scalable delivery infrastructure and developer tooling.
Rank HistoryAVG#10.5
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.53.0
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.6.7%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.38%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#10.5
Budget‑friendly all‑in‑one platform (email, SMS, CRM) with generous contact handling and growing AI features.
Rank HistoryAVG#6.9
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.62.1
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.6.2%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.81%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#6.9
Designer‑friendly email platform with polished templates, automation, and strong reporting for mid‑market users.
Rank HistoryAVG#10
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.69.1
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.5.7%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.100%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#10
Longstanding small‑business email tool with easy editors, list building, and simplified automations.
Rank HistoryAVG#8.7
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.70.6
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.5.2%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.59%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#8.7
All‑in‑one platform (email, automation, landing pages, webinars) that appeals to growth teams and SMBs.
Rank HistoryAVG#13.1
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.48.5
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.4.8%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.74%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#13.1
Simple, clean UI with reliable sending, landing pages/website builder — a good value pick for small teams.
Rank HistoryAVG#11.8
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.60.3
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.4.3%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.53%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#11.8
Ecommerce‑centric email + SMS automation with prebuilt flows and strong Shopify integrations.
Rank HistoryAVG#13.6
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.61.9
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.3.8%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.62%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#13.6
Creator‑focused email platform built for newsletters, subscriptions and audience monetization with simple automation and tagging.
Rank HistoryAVG#13.8
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.52.3
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.3.3%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.84%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#13.8
Growth‑stage customer engagement platform that supports cross‑channel campaigns (email, push, SMS) with strong orchestration, personalization and real‑time data use.
Rank HistoryAVG#12.7
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.36.0
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.2.9%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.36%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#12.7
Customer engagement platform focused on personalized, event‑driven email and cross‑channel messaging for consumer brands and product‑led teams.
Rank HistoryAVG#12.7
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.41.8
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.2.4%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.36%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#12.7
Behavioral messaging platform for product‑led and SaaS teams — powerful API/event‑driven campaigns and segmentation.
Rank HistoryAVG#17.1
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.25.9
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.1.9%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.56%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#17.1
Ecommerce & creator‑oriented automation tool emphasizing personalization and lifecycle campaigns.
Rank HistoryAVG#17.7
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.42.0
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.1.4%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.38%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#17.7
Developer‑friendly service focused on fast, reliable transactional email (also supports broadcast/marketing use cases).
Rank HistoryAVG#17.3
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.64.5
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.1.0%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.64%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#17.3
Highly scalable, low‑cost sending infrastructure (SMTP/API) used by developers and platforms for both transactional and bulk marketing sends — chosen for scale and price though requires more engineering to build marketing workflows.
Rank HistoryAVG#18
Serplock RatingSerplock Rating is our score for how visible a brand is in ChatGPT for this category. Higher is better. The highest scores belong to brands ChatGPT recommends most often here.65.7
Share of VoiceShare of Voice is a brand's share of recommendations compared to other brands in this category. Higher is better. A leading share means ChatGPT points users to that brand more than competitors.0.5%
ConsistencyConsistency is how often ChatGPT includes a brand in this category from week to week. Higher is better. Reliable presence means steady visibility in AI answers.61%
Average AI RankAverage AI Rank is the typical position ChatGPT gives a brand in this category over time. Lower is better. Brands users hear about most often rank closer to #1.#18
