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The deepest moats.
The startups it would be hardest to take customers from.
#StartupMRRCodeMoatVerdict
01
LLM Gateway· Artificial IntelligenceAn OpenAI-compatible API that routes to 250+ models across 40+ providers. Developers pay a 5% fee on credit top-ups, buy flat-price DevPass coding plans or Lounge chat plans, and larger teams buy an Enterprise licence.$78.8k MRR ·code 3 weeks$78.8k3 weeks3 months24No02
Dropkiller· E-commerceA Spanish-language tool for LATAM cash-on-delivery dropshippers that tracks sales and stock on Dropi, Aliclick and Mastershop and spies on Meta and TikTok ads. Plans start at $13.25 a month and dropshippers pay.$60.2k MRR ·code 2 weeks$60.2k2 weeks4 months24No03
SoundBoost.ai (formerly Diktatorial)· EntertainmentAI music mastering you steer with text prompts or a reference track, with a free stem splitter. Suno users and bedroom producers pay about $4 to $16 a month on web, iOS and Android.$27.8k MRR ·code a month$27.8ka month3 months24No04
AEO Engine· Artificial IntelligenceA managed AEO/SEO agency, run as month-to-month retainers ($1,597 to $10,000), that gets SaaS, legal, services and ecommerce brands cited in ChatGPT, Google AI Overviews and Perplexity.$176k MRR ·code 2 weeks$176k2 weeks3 months22No05
Project A· EntertainmentFaladdin is an AI fortune-telling app (Turkish coffee cup readings, tarot, astrology) paid for by consumers in Turkey, MENA and the US through in-app subscriptions and ads.$63.6k MRR ·code 2 weeks$63.6k2 weeks6 months22No06
Rank Prompt· Artificial IntelligenceAn AI visibility (AEO/GEO) dashboard that tracks how ChatGPT, Perplexity, Gemini, Claude, Grok and Google AI Mode mention a brand. SEO agencies and marketing teams pay $49 to $299 a month, and some buy done-for-you services.$43.5k MRR ·code a month$43.5ka month4 months22No07
Launch Club· MarketingDone-for-you Reddit posting and commenting from the agency's own established accounts, sold to startups and brands that want to be cited in AI search ($99 to $4,000 a month).$32k MRR ·code a weekend$32ka weekend3 months22No08
Sbl· Artificial IntelligenceSbl.so (Second Brain Labs) is an AI SDR that finds intent-based prospects and runs LinkedIn and WhatsApp outreach, replies and meeting booking. It often sends from rented human 'fractional SDR' profiles. B2B founders, sales teams and outbound agencies pay $99 to $997 a month.$28.8k MRR ·code a month$28.8ka month3 months22No09
1Lookup· SaaSA pay-per-credit API and dashboard for phone, email and IP checks plus about 34 to 41 data lookups, sold mostly to call centers, agencies and outbound marketers.$272k MRR ·code 2 weeks$272k2 weeks3 months20No10
Windmill Growth, LLC· MarketingA done-for-you LinkedIn ghostwriting and personal branding agency for B2B founders, paid by founders at $650 to $3,999 a month.$118k MRR ·code a week$118ka week6 months20No11
Apiframe· Artificial IntelligenceA unified REST API for 70+ image, video and music models (Midjourney, Kling, Seedance, Suno and more), paid by developers and agencies on credit plans from $39/mo.$35.8k MRR ·code 2 weeks$35.8k2 weeks3 months20No12
Liinks· Social MediaLiinks is a link-in-bio page builder with multi-page mini sites, Instagram post links and click analytics. Creators and small businesses pay $5 to $12 a month.$31.3k MRR ·code 2 weeks$31.3k2 weeks3 months20No13
Tribe Social· CommunityWhite-label branded community apps (iOS, Android, web) with courses, live calls and payments, sold to high-ticket coaches and faith-based ministries for roughly $2k to $3.5k a month each.$28.3k MRR ·code a month$28.3ka month3 months20No14
Audn.AI· Artificial IntelligenceAutonomous AI red teaming and pentesting for AI agents, plus PenClaw subscriptions to uncensored 'abliterated' open-weight models for offensive security. Paid by pentesters, security researchers and AI startups.$27.4k MRR ·code 2 weeks$27.4k2 weeks2 months20No15
Upscale System LLC· Artificial IntelligenceUpscale B2B is a done-for-you outbound agency that runs email, calling and LinkedIn campaigns. Its sister brand Warm Inboxes sells cheap pre-warmed Google, Microsoft and Azure inboxes. Both are paid for by B2B companies and cold email agencies.$105k MRR ·code 2 weeks$105k2 weeks2 months19No16PPropGPT: AI Props Analysis· Mobile AppsAn iOS and Android app that gives AI analysis of player props, spreads, totals and moneylines. US sports bettors pay $9.99 a week.$93.2k MRR ·code 2 weeks$93.2k2 weeks3 months19No17
RankAI· MarketingRankAI is an AI SEO and AI-search (GEO) agent that writes and publishes pages, fixes technical SEO and tracks ChatGPT visibility. SMBs, ecommerce brands and white-label agencies pay $199 to $499 a month, with custom Expert plans above that.$56.5k MRR ·code 2 weeks$56.5k2 weeks3 months19No18
Kolbo.AI· Artificial IntelligenceAn AI creative workspace that wraps 100+ third-party image, video, music and voice models behind one subscription ($27 to $89/mo), with plugins for Premiere, After Effects and DaVinci Resolve. Creators, marketers and small agencies pay for it.$38.7k MRR ·code a month$38.7ka month3 months19No19
PROSP· Artificial IntelligenceA cloud tool that automates LinkedIn connection requests, AI-written DMs and AI voice notes in the sender's own voice. Agencies and sales teams pay $29 to $79 per seat each month.$128k MRR ·code 2 weeks$128k2 weeks2 months17No20
Gomotion AIGoMotion turns a pasted script into a finished, ready-to-upload long-form faceless YouTube video with voiceover, matched footage, motion graphics, captions and music. Faceless channel owners and agencies pay $27 to $107 a month.$63.3k MRR ·code 3 weeks$63.3k3 weeks3 months17No21
Reddit Agency· MarketingDone-for-you Reddit marketing agency. B2B brands pay retainers (published at about $3k to $5k a month) for posting, reputation cleanup, and Reddit threads meant to get the brand cited by ChatGPT and Google.$34.8k MRR ·code a week$34.8ka week3 months17No22
traxy.ai· Artificial IntelligenceA LinkedIn engagement-signal lead finder. It watches chosen profiles, scores the people who like or comment on their posts against your ICP, adds emails and phone numbers, and drafts outreach. B2B sales teams pay from $149 a month.$51.4k MRR ·code 2 weeks$51.4k2 weeks2 months16No23
ChatPDF AIA web and mobile tool where you upload a PDF and ask an AI questions about it. Students, researchers and professionals pay about $15 a month (or roughly $90 a year) for Plus.code a weekendn/aa weekend3 months14No24GGoTall· Health & FitnessGoTall is an iOS and Android app that predicts adult height and sells habit plans to teens and young adults through a Superwall paywall subscription.$57.5k MRR ·code a weekend$57.5ka weekend3 months12No25
Boothie: AI Photo Editor· Mobile AppsA consumer iOS and Android app that re-renders selfies in trendy looks like Canon G7X digicam, Kodak Gold film or photobooth. Paid for by young women through weekly subscriptions and credit packs.$51.8k MRR ·code a week$51.8ka week2 months12No26
GradientForge· Design ToolsA Figma plugin and web tool that makes mesh gradients with noise and PNG export. Figma designers pay a small subscription for pro features.$211 MRR ·code a weekend$211a weekend3 months12No27
Clickbait INC· Artificial IntelligenceRomàn Czerny's older business, probably the one the Gojiberry founders built and sold. It made $1.46M all time, but who paid and for what isn't clear. Its 'website' is a free Notion playbook on LinkedIn outreach that points readers to GojiberryAI.$74 MRR ·code a week$74a weeknone10No28
Speel.co· SaaSAn AI tool that makes UGC-style ad videos and images, where AI avatars hold and talk about your product. Ecommerce brands, performance marketers and agencies pay $49 to $139 a month.$65.5k MRR ·code 2 weeks$65.5k2 weeks2 months9No29
White Glove Content· Content CreationDone-for-you AI faceless video subscription (scripts, AI voice, edits, thumbnails, optional auto-posting), $54 to $354/mo, bought by side-hustlers chasing YouTube AdSense income.$63.1k MRR ·code 2 weeks$63.1k2 weeks2 months9No30
Nutria (9e3eaa)· Health & FitnessCalyra, an AI calorie tracker for iOS and Android that logs meals from a photo, built by Nutria SAS (Aix-en-Provence, France). Consumers who want to lose weight pay a subscription after a free trial.$46.4k MRR ·code a week$46.4ka week2 months9No31
Lunchbreak· EducationAn AI humanizer and detector checker. Students pay a subscription to rewrite ChatGPT, Claude and Gemini text so it gets past Turnitin, GPTZero and similar tools.$32.4k MRR ·code a week$32.4ka week2 months9No32
SwapTokA browser tool that puts a user's face into any TikTok, Reel or YouTube Short from a pasted link. Consumers and AI UGC creators pay $14.99 a month or $89.99 a year.code a weekendn/aa weekendnone5No