September 2026 Edition, expanded tier · The six flagship models on every category, as published . The public index runs on the standard tier; this record is what the Expanded Edition Pack delivers on one category. The category page →
Index › GTM › Customer › In-app messaging · September 2026 Edition

In-app messaging and customer communications

Asked as “in-app messaging platform”, and as “customer communications tool for product messaging”, on behalf of a mid-market B2B software company. 23 first choices recorded across the direct, paraphrase, budget and scale prompts, six models each.
Standing · first-choice share
22%
Contested · Appcues 17%
22Intercom17Appcues13Firebase In-App Messaging48others

22% of first choices, contested.

The standing

Share is the count of first choices across the direct, paraphrase, budget and scale prompts, over all six models, for a mid-market B2B software company. Ordered by share.
ProductFirst-choice shareNegative rateLabelsQuadrantSince September 2026
01Intercom22%25%28criticized challengernewNew since September 2026: not ranked then, 22% now.
02Appcues17%5%19accepted challengernewNew since September 2026: not ranked then, 17% now.
03OneSignal13%12%17accepted challengernewNew since September 2026: not ranked then, 13% now.
04Customer.io9%6%18accepted challengernewNew since September 2026: not ranked then, 9% now.
05Pendo9%6%18accepted challengernewNew since September 2026: not ranked then, 9% now.
06Userpilot4%0%10accepted challengernewNew since September 2026: not ranked then, 4% now.
Show the one product at 0%, ordered by negative rate
07Braze0%44%18criticized challengernewNew since September 2026: not ranked then, 0% now.

The floor is 12 points of share, measured: how far the models move a leader on their own when the same questions are asked twice with nothing changed. A larger change is movement; a smaller one can't be told apart from repeat variation, and both are shown. Each index measures its own floor from its own repeat, over its own categories, so the floor differs from one index to the next. How the floor is measured

Bars are the share of first choices, 0 to 100Every product with at least 10 labels here. Every product name links to its product page.
All fifteen head-to-head pages: the top six products, each against each

Recommended versus criticized

Every product with at least 10 labels here, on both axes. The 30% line names a quadrant, not the verdict above: that one needs more than 40%.

Criticized challengerCriticized default
Negative label rate →
01
02
03
04
05
06
07
Accepted challengerEndorsed leader
0%First-choice share → · lines at 30% share and 25% negative40%
Key
01Intercom22%
02Appcues17%
03OneSignal13%
04Customer.io9%
05Pendo9%
06Userpilot4%
07Braze0%

What they warned about

One of six models held their first choice under the paraphrase. Claude Opus 5, Claude Opus 4.8, GPT-6 Astra, GPT-5.6 Sol and Perplexity Sonar Pro changed. A high negative share on a product with few labels is a warning. A low share on a product with many labels is salience, not sentiment.
Braze
44%
8 of 18 labels negative · 4 of 6 models · 3 hard negative
“Avoid initially | Braze, Airship, Iterable, CleverTap enterprise — powerful but typically five-figure annual contracts.” Claude Opus 5, budget prompt
Intercom
25%
7 of 28 labels negative · 4 of 6 models · 1 hard negative
“Intercom gets expensive fast once you add seats and its AI add-ons.” Claude Opus 5, budget prompt
Iterable
57%
4 of 7 labels negative · 2 of 6 models · 2 hard negative
“Avoid initially ... five-figure annual contracts” Claude Opus 5, budget prompt
Layer
100%
2 of 2 labels negative · 2 of 6 models · 2 hard negative
“have since shut down or been acquired and sunsetted... they are dead ends” Gemini 3.1 Pro, negative prompt

What they cite

Six of the six models returned a source list in this edition: six return the pages they cited.

Sites the answers cite

29 of 36 answers in this category came back with a source list, from 6 of 6 models: citations where the model returns them, or the search results it consulted. 507 links across 227 sites, every framing counted. Ranked by the number of answers carrying the site or page. None of the 36 answers across every segment cited this index's own page for the category.

vendor site · Userpilot14 answers · 31 citations · 6 models
vendor site · Product Fruits11 answers · 13 citations · 4 models
vendor site · Intercom10 answers · 12 citations · 3 models
vendor site · Knock10 answers · 12 citations · 3 models
vendor site · Appcues9 answers · 15 citations · 4 models
7 answers · 7 citations · 2 models
7 answers · 7 citations · 3 models
vendor site · OneSignal6 answers · 16 citations · 4 models
vendor site · Customer.io6 answers · 8 citations · 2 models
vendor site · GetStream6 answers · 8 citations · 4 models
vendor site · OneSignal6 answers · 6 citations · 4 models
vendor site · Pushwoosh5 answers · 6 citations · 2 models

Pages the answers cite

The ten pages named in the most answers, by full address. A page here is one the models returned with a recommendation, not one the index endorses.

Search against answers

Each company's standing in the answers beside its site's footprint in Google search, one row a site: the products the models named on it with their shares, and the share they add up to; monthly searches on Google, and DataForSEO's estimate of AI search demand (modeled from search signals, directional, not a count of queries to any assistant), for the most-searched of the company's and its products' names (the name is in each row's hover text); estimated monthly organic visits to the site; and its best position in Google's top ten for “best in-app messaging platform”, “in-app messaging platform”. US estimates from DataForSEO and Google's Ads Transparency Center. A small company's site, or a mid-sized company's site for its flagship, is marked company; a product on a large parent's site (Google, Microsoft) has no site figures. A column with no figures for this category is left out, and an empty cell means none were seen, not none exist. Two measurements side by side: neither is read as the cause of the other.
Company and productsShareOwn site citedName searches, GoogleAI search demand, est.Organic visitsPaid search a month, est.Google ads, last 30 daysBest Google position
Intercom intercom.com22%39233,1007,16564,348$3,304120
Appcues appcues.com17%1981,9002618,5062
OneSignal onesignal.com13%3224,40013329,726386
Firebase In-App Messaging firebase.google.com13%1091,2471
Customer.io customer.io9%2182,90017415,750$6,920112
Pendo pendo.io9%40912,10076119,185$3,60993
Userpilot userpilot.com4%2471,6001062,08461
Crisp crisp.chat4%8660,50036,27629,6852
Helply helply.com4%521079,6260
tawk.to tawk.to4%412,9006313,4447

Google's top ten for the two searches hold 15 sites; 3 of them are among the sites the models cited here (onesignal.com, pushwoosh.com, userpilot.com). The first result for “best in-app messaging platform” is userpilot.com.

How they answered

Six framings of the same buying question, each sent to every model in a fresh session with search on. One row per model, so a row shows whether it held its answer under rewording, what it named when cost was the constraint, and what it argued against. Computed from the raw judge labels.
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ModelDirect“What is the best in-app messaging platform for a mid-market B2B software company?”Paraphrase“Which customer communications tool for product messaging would you recommend to a mid-sized B2B software company?”Comparative“What are the top in-app messaging platforms and how do they differ?”Budget-constrained“What is the best in-app messaging platform for a company with a limited budget?”Scale-constrained“We are a 500 person company evaluating an in-app messaging platform. What should we look at?”Negative“Which in-app messaging platforms should I avoid or be cautious about?”
Claude Opus 5Appcues, Userpilot
Three alternativesCustomer.io, Intercom, Pendo
against: Braze, Iterable
AppcuesChanged
Three alternativesCustomer.io, Pendo, Userpilot
against: Braze, Intercom
no first choiceagainst: IntercomFirebase In-App Messaging, OneSignal
Nine alternativesChatwoot, Crisp, Customer.io, Pushwoosh, Rocket.Chat, Stream Chat, Tidio, UserGuiding, Userflow
against: Airship, Braze, CleverTap, Intercom, Iterable, Pendo, Sendbird, WalkMe
no first choiceagainst: Braze, CleverTap, Discord, Firebase In-App Messaging, Getui, Intercom, Iterable, JPush, Layer, Leanplum, Localytics, Microsoft Teams, Pusher Chatkit, Slack, Swrve, Telegram, Twilio Programmable Chat, WeChat
Claude Opus 4.8Appcues, Intercom, Pendo
One alternativeCustomer.io
against: Braze
IntercomChanged
Three alternativesAppcues, Customer.io, Pendo
no first choice
Five alternativesAppcues, Braze, Intercom, OneSignal, Userpilot
tawk.to
Three alternativesChatwoot, HubSpot Service Hub, Tidio
no first choicenothing named
GPT-6 AstraAppcues
Three alternativesCustomer.io, Intercom, Userpilot
Customer.ioChanged
Two alternativesAppcues, Intercom
no first choice
Two alternativesSendbird, Stream Chat
against: OneSignal
Crisp, Firebase In-App Messaging
One alternativeOneSignal
no first choicenothing named
GPT-5.6 SolPendo
Five alternativesAppcues, Chameleon, Gainsight PX, Intercom, Userpilot
against: Braze, WalkMe
Customer.ioChanged
Two alternativesIntercom, Pendo
against: Braze, Loops
no first choice
Eight alternativesAirship, Appcues, Braze, Customer.io, Firebase In-App Messaging, Intercom, OneSignal, Pendo
OneSignal
One alternativeFirebase
no first choiceagainst: Discord, Intercom, Messenger, Microsoft Teams, Slack, Telegram, WeChat, WhatsApp Business API
Gemini 3.1 ProIntercom
Five alternativesAppcues, Drift, HubSpot Service Hub, Pendo, Userpilot
IntercomHeld
Three alternativesAppcues, Customer.io, Pendo
Braze, OneSignal
Seven alternativesAirship, CleverTap, CometChat, MirrorFly, Plotline, Sendbird, Stream Chat
Firebase In-App Messaging
Five alternativesChatwoot, Firebase, OneSignal, Rocket.Chat, Stream Chat
against: Intercom, Zendesk Messaging
no first choiceagainst: Sendbirdagainst: Applozic, Bird, EngageLab, Firebase, Layer, Twilio Programmable Chat
Perplexity Sonar ProIntercom
Four alternativesAppcues, Customer.io, Gleap, Userpilot
HelplyChanged
Three alternativesIntercom, Plain, Zendesk Messaging
no first choice
Seven alternativesBraze, CometChat, Customer.io, Intercom, OneSignal, Pendo, Userpilot
against: Appcues
OneSignal
Four alternativesGleap, Pumble, UserGuiding, Zoho Cliq
no first choiceagainst: Airship, Braze, CleverTap, Customer.io, Firebase In-App Messaging, Intercom, Iterable, Klaviyo, OneSignal
Bold is the first choiceAlternatives are counted; the count opens them.What the answer argued against

The record

One row per call: the version string exactly as returned, whether the model searched, sources cited, and latency.
Thirty-six rows: every prompt, every model, every answer.
PromptModelVersion stringTime (UTC)SearchedSourcesLatency
Direct recommendationClaude Opus 5claude-opus-52026-09-09 19:28yes3568 s
Direct recommendationClaude Opus 4.8claude-opus-4-82026-09-09 19:29no017 s
Direct recommendationGPT-6 Astragpt-6-astra2026-09-09 19:31yes537 s
Direct recommendationGPT-5.6 Solgpt-5.6-sol2026-09-09 19:32yes836 s
Direct recommendationGemini 3.1 Progemini-3.1-pro-preview2026-09-10 17:22yes1249 s
Direct recommendationPerplexity Sonar Prosonar-pro2026-09-09 19:29yes205 s
ParaphraseClaude Opus 5claude-opus-52026-09-09 19:34yes4163 s
ParaphraseClaude Opus 4.8claude-opus-4-82026-09-09 19:35no014 s
ParaphraseGPT-6 Astragpt-6-astra2026-09-09 19:37yes618 s
ParaphraseGPT-5.6 Solgpt-5.6-sol2026-09-09 19:38yes533 s
ParaphraseGemini 3.1 Progemini-3.1-pro-preview2026-09-10 17:26no090 s
ParaphrasePerplexity Sonar Prosonar-pro2026-09-09 19:36yes205 s
ComparativeClaude Opus 5claude-opus-52026-09-09 19:40yes4055 s
ComparativeClaude Opus 4.8claude-opus-4-82026-09-09 19:42yes3155 s
ComparativeGPT-6 Astragpt-6-astra2026-09-09 19:45yes945 s
ComparativeGPT-5.6 Solgpt-5.6-sol2026-09-09 19:47yes947 s
ComparativeGemini 3.1 Progemini-3.1-pro-preview2026-09-10 17:27yes736 s
ComparativePerplexity Sonar Prosonar-pro2026-09-09 19:43yes207 s
Budget constrainedClaude Opus 5claude-opus-52026-09-09 19:49yes2448 s
Budget constrainedClaude Opus 4.8claude-opus-4-82026-09-09 19:55yes25325 s
Budget constrainedGPT-6 Astragpt-6-astra2026-09-09 19:57yes317 s
Budget constrainedGPT-5.6 Solgpt-5.6-sol2026-09-09 19:58yes319 s
Budget constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-10 17:29yes1730 s
Budget constrainedPerplexity Sonar Prosonar-pro2026-09-09 19:56yes204 s
Scale constrainedClaude Opus 5claude-opus-52026-09-09 19:59no040 s
Scale constrainedClaude Opus 4.8claude-opus-4-82026-09-09 20:00no019 s
Scale constrainedGPT-6 Astragpt-6-astra2026-09-09 20:02yes538 s
Scale constrainedGPT-5.6 Solgpt-5.6-sol2026-09-09 20:04yes752 s
Scale constrainedGemini 3.1 Progemini-3.1-pro-preview2026-09-10 17:30no026 s
Scale constrainedPerplexity Sonar Prosonar-pro2026-09-09 20:01yes208 s
Negative framingClaude Opus 5claude-opus-52026-09-09 20:07yes4084 s
Negative framingClaude Opus 4.8claude-opus-4-82026-09-09 20:09yes4040 s
Negative framingGPT-6 Astragpt-6-astra2026-09-09 20:10no012 s
Negative framingGPT-5.6 Solgpt-5.6-sol2026-09-09 20:12yes865 s
Negative framingGemini 3.1 Progemini-3.1-pro-preview2026-09-10 18:39yes838 s
Negative framingPerplexity Sonar Prosonar-pro2026-09-09 20:09yes199 s

Normalization in this category

Every judgment call made between the raw labels and the numbers above, listed so it is visible and reversible.

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Category-scoped readings
Stream read as Stream Chat
Stream (GetStream.io) read as Stream Chat
Twilio read as Twilio Conversations
WhatsApp read as WhatsApp Business API
Zendesk read as Zendesk Messaging
Unresolved, counted raw
None awaiting human review.
Discontinued, still offered
No shut-down product was recommended here.
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