Browse guides →
India's weekend-build playbook

Apps making real money. Now yours to build.

Every post on @buildwithkanhaa points here. Pick the app, see exactly how it makes money, and get the full weekend build plan — stack, deployment, marketing, and a ready prompt for Claude or GPT to start building tonight.

Start with a guide Follow for daily drops
22
App guides live
2–3
Days to build, max
India-first stack & pricing
100%
Verified revenue via TrustMRR

The guides

Each app from the reels gets its own build-along page. New one drops with every post.

APP IDEA #22

Upscale Systems LLC

AI CRM and lead generation for B2B teams. $68K/mo verified. WhatsApp-first lead capture is the India angle.

$68.6K/mo Weekend build CRM + Lead Gen
APP IDEA #21

Rezi — AI Resume Builder

An AI tool that writes and scores resumes against ATS systems. Built from one founder's bad GPA into a category leader.

$288K MRR Weekend build AI + SaaS
APP IDEA #20

SyncSignature

Centralized, auto-deployed branded email signatures for every employee.

40K+ users Weekend build B2B SaaS
APP IDEA #19

SheetAI.app

Type what you want in plain English, get a working spreadsheet formula instantly.

$111K+ portfolio Weekend build AI + Sheets
APP IDEA #18

Pika.style

Turns raw screenshots into polished marketing visuals. Built solo by an Indian founder in 4-5 days.

$25K/yr Weekend build Design tool
APP IDEA #17

GuideJar

Record your screen once, get an interactive how-to guide automatically. Built solo from Chennai.

$6.7K/mo Weekend build SaaS + Docs
APP IDEA #16

Kortex for NotebookLM

The missing toolbar for NotebookLM — one-click import from ChatGPT/Claude/Gemini.

80K+ users Weekend build Browser ext.
APP IDEA #15

Hirevire

Replace first-round screening calls with async video questions.

$14K/mo Weekend build HR Tech
APP IDEA #14

MagicSlides.app

Topic to finished slide deck in under 60 seconds. Built by IndianAppGuy.

$15K MRR Weekend build AI + Slides
APP IDEA #13

Guide coming soon

This app idea guide is being built — follow @buildwithkanhaa to stay updated.

APP IDEA #12

Guide coming soon

This app idea guide is being built — follow @buildwithkanhaa to stay updated.

APP IDEA #11

Vid.ai

AI video automation for short-form creators. Hit $79K/mo in under 2 years.

$79.5K/mo Weekend build AI Video
APP IDEA #10

RankPrompt

Track whether your brand gets cited by ChatGPT, Gemini, and Perplexity.

$49+/mo Weekend build SEO / AEO
APP IDEA #9

AngelMatch

Searchable database of 125,000+ angels and VCs with verified contact info.

$28K MRR Weekend build Fintech + SaaS
APP IDEA #8

TicketDesk AI

AI agents that automatically resolve support tickets using your knowledge base.

$47B market Weekend build AI + Support
APP IDEA #7

Sovereign Leads Limited

Exclusive lead generation for trades — one lead, one contractor, $40K/mo.

$40.2K/mo Weekend build Lead Gen
APP IDEA #6

Lunchbreak

Makes AI-written content undetectable across Turnitin and GPTZero. $51K MRR at peak.

$51K peak MRR Weekend build AI Writing
APP IDEA #5

Imposter.ai

Party word-guessing game — 50M+ TikTok views in 30 days, organically.

50M+ views Weekend build Mobile Game
APP IDEA #4

Coldsire

Cold email infrastructure — bulk domain registration, automated DNS, mailbox creation.

600+ agencies Weekend build Email Infra
APP IDEA #3

RareRoles

Jobs you won't find on LinkedIn or Indeed — AI-curated niche listings.

$5.1K/mo Weekend build Jobs + SaaS
APP IDEA #2

PostBridge

Cross-post to every social platform in one click. Hit $11K MRR in months.

$11K MRR Weekend build Social Media
APP IDEA #1

Replymer

Human-written replies that recommend your product across Reddit and X. $9.7K/mo.

$9.7K/mo Weekend build Marketing
#23

Next drop

Follow @buildwithkanhaa so you don't miss it.

APP IDEA #21

Rezi — AI Resume Builder

An AI tool that writes and scores resumes against ATS systems. Built from one founder's bad GPA into a category leader.

$288K MRR Weekend build AI + SaaS
APP IDEA #20

SyncSignature

Centralized, auto-deployed branded email signatures for every employee — fixing the one brand asset every company gets wrong.

40K+ users Weekend build B2B SaaS
APP IDEA #19

SheetAI.app

Type what you want in plain English, get a working spreadsheet formula instantly. Built by a solo Indian founder.

$111K+ portfolio Weekend build AI + Sheets
APP IDEA #18

Pika.style

Turns raw screenshots into polished marketing visuals. Built solo by an Indian founder in 4-5 days.

$25K/yr Weekend build Design tool
APP IDEA #17

GuideJar

Record your screen once, get an interactive how-to guide automatically. Built solo from Chennai, India.

$6.7K/mo Weekend build SaaS + Docs
APP IDEA #16

Kortex for NotebookLM

The missing toolbar for Google's NotebookLM — one-click import from ChatGPT/Claude/Gemini, bulk export, automation.

80K+ users Weekend build Browser ext.
APP IDEA #15

Hirevire

Replace first-round screening calls with async video questions. Candidates record on their time, recruiters batch-review.

$14K/mo Weekend build HR Tech
APP IDEA #14

MagicSlides.app

Topic to finished slide deck in under 60 seconds. Built by IndianAppGuy — same founder as SheetAI.

$15K MRR Weekend build AI + Slides
APP IDEA #11

Vid.ai

AI video automation for short-form creators. Hit $79K/mo in under 2 years by launching at the exact right moment.

$79.5K/mo Weekend build AI Video
APP IDEA #10

RankPrompt

Track whether your brand gets cited by ChatGPT, Gemini, and Perplexity — SEO for the search engine that shows no links.

$49+/mo Weekend build SEO / AEO
APP IDEA #9

AngelMatch

Searchable database of 125,000+ angels and VCs with verified contact info. Founders save hundreds of hours.

$28K MRR Weekend build Fintech + SaaS
APP IDEA #8

TicketDesk AI

AI agents trained on your knowledge base that automatically resolve support tickets without human intervention.

$47B market Weekend build AI + Support
APP IDEA #7

Sovereign Leads Limited

Exclusive lead generation for trades and construction — one lead, one contractor, no multi-quote chaos. $40K/mo.

$40.2K/mo Weekend build Lead Gen
APP IDEA #6

Lunchbreak

Makes AI-written content undetectable across Turnitin, GPTZero, and 9 other detectors. $51K MRR at peak, 70% margin.

$51K peak MRR Weekend build AI Writing
APP IDEA #5

Imposter.ai

Party word-guessing game that went viral on TikTok with 50M+ views in 30 days — organically.

50M+ views Weekend build Mobile Game
APP IDEA #4

Coldsire

Cold email infrastructure as a service — bulk domain registration, automated DNS, mailbox creation. 600+ agencies.

600+ agencies Weekend build Email Infra
APP IDEA #3

RareRoles

Jobs you won't find on LinkedIn or Indeed — AI-curated niche listings from direct company career pages.

$5.1K/mo Weekend build Jobs + SaaS
APP IDEA #2

PostBridge

Cross-post to every social platform in one click. Built in October 2024, hit $11K MRR in months. Solo founder.

$11K MRR Weekend build Social Media
APP IDEA #1

Replymer

Human-written replies that recommend your product across Reddit and X — on autopilot. $9.7K/mo.

$9.7K/mo Weekend build Marketing
#23

Next drop

Follow @buildwithkanhaa so you don't miss it.

APP IDEA #19

SheetAI.app

Type what you want in plain English, get a working spreadsheet formula instantly. Built by a solo Indian founder.

$111K+ portfolio Weekend build AI + Sheets
APP IDEA #20

SyncSignature

Centralized, auto-deployed branded email signatures for every employee — fixing the one brand asset every company gets wrong.

40K+ users Weekend build B2B SaaS
APP IDEA #18

Pika.style

Turns raw screenshots into polished marketing visuals. Built solo by an Indian founder in 4-5 days.

$25K/yr Weekend build Design tool
APP IDEA #17

GuideJar

Record your screen once, get an interactive how-to guide automatically. Built solo from Chennai, India.

$6.7K/mo Weekend build SaaS + Docs
APP IDEA #16

Kortex for NotebookLM

The missing toolbar for Google's NotebookLM — one-click import from ChatGPT/Claude/Gemini, bulk export, automation.

80K+ users Weekend build Browser ext.
APP IDEA #15

Hirevire

Replace first-round screening calls with async video questions. Candidates record on their time, recruiters batch-review.

$14K/mo Weekend build HR Tech
APP IDEA #14

MagicSlides.app

Topic to finished slide deck in under 60 seconds. Built by IndianAppGuy — same founder as SheetAI.

$15K MRR Weekend build AI + Slides
APP IDEA #11

Vid.ai

AI video automation for short-form creators. Hit $79K/mo in under 2 years by launching at the exact right moment.

$79.5K/mo Weekend build AI Video
APP IDEA #10

RankPrompt

Track whether your brand gets cited by ChatGPT, Gemini, and Perplexity — SEO for the search engine that shows no links.

$49+/mo Weekend build SEO / AEO
APP IDEA #22

Upscale Systems LLC

AI CRM and lead generation for B2B teams. $68K/mo verified. WhatsApp-first lead capture is the India angle.

$68.6K/mo Weekend build CRM + Lead Gen
#1–9, 12, 13

Backfilling now

The rest of the app ideas from the page are being turned into guides — they'll appear here as they go live.

#22

Next drop

Follow @buildwithkanhaa so you don't miss it.

What's inside every guide

Same structure every time, so you always know where to find what you need.

01

How it actually works

The core mechanic explained in plain terms — what the user does, what the app does back.

02

Revenue, verified

Live MRR and revenue pulled from TrustMRR — no guessing, no inflated screenshots.

03

India potential

Is this a market gap here, who'd pay, and at what price point.

04

The weekend build

Friday to Sunday, hour by hour, scoped to actually ship.

05

Stack & deploy

Exact tools, why each one, and the deployment steps to go live.

06

Marketing & the AI prompt

How to get first users, who pays, and a ready prompt to paste into Claude or GPT to start building.