Proof of Concept Report

WhatWorksWhere.co

Find proven apps and services that don't exist in your market yet. Built and validated in one day using 9 AI-powered skills.

22
Apps Sourced
15
Gaps Found
1
Country Profiled
18
Files Generated
$50
Total Cost

The Pipeline

9 skills that run the entire business โ€” from discovery to distribution.

๐Ÿ”
/source-apps
Find proven apps
โ†’
๐Ÿ“
/write-entry
Full database entry
โ†’
๐Ÿ›ก
/competitor-scan
Verify the gap
โ†’
๐ŸŒ
/market-research
Country profile
โ†’
๐Ÿ“Š
/gap-analysis
Score all gaps
โ†’
๐Ÿš€
/launch-kit
$99 premium report
โ†’
๐Ÿ“ฌ
/newsletter
Weekly email
โ†’
๐Ÿ“ฑ
/social
4 platforms
โ†’
๐Ÿ“ˆ
/weekly-report
Dashboard

Czech Republic Market Profile

First country analyzed โ€” 28 sources, 7 research areas.

10.5M
Population
$35K
GDP / Capita
95.5%
Internet
75.7%
Urbanization
$8B
E-Commerce
908+
Startups
2
Unicorns
96%
5G Coverage

Strengths

  • High internet penetration, strong dev talent
  • EU membership, central European location
  • Growing VC scene (Credo, Rockaway, Presto)
  • Two unicorns: Rohlik ($1.05B), Productboard ($1.7B)
  • 100% foreign ownership allowed, easy S.R.O. setup

Risks

  • Czech localization essential (English not enough)
  • Price-sensitive consumers, compare extensively
  • 36% prefer cash-on-delivery
  • Economic dependence on Germany
  • GoPay license revocation signals regulatory risk

Top 15 Startup Gaps in Czech Republic

Scored on 5 factors: Proven Elsewhere (30%), No Local Competitor (25%), Market Readiness (20%), Regulatory Ease (15%), Founder Accessibility (10%)

1

Neighborhood Social Network

Nextdoor has 105M users in 11 countries โ€” none in Czech Republic. Zero local alternatives with address verification.

Social Solo-Friendly
Proven by
Nextdoor, nebenan.de
TAM
$20-50M
Difficulty
Medium
4.65 / 5
2

Home Services Marketplace

TaskRabbit ($75M rev) doesn't operate in any CEE country. Market fragmented across Facebook groups and word-of-mouth.

Marketplace Solo-Friendly
Proven by
TaskRabbit, Thumbtack
TAM
$150-300M
Difficulty
Medium
4.50 / 5
3

K-12 Tutoring Marketplace

GoStudent ($3.4B peak) is in Austria but not Czech Republic. 1.5M+ students, heavy demand for entrance exam prep.

Education Solo-Friendly
Proven by
GoStudent, Wyzant
TAM
$50-100M
Difficulty
Medium
4.40 / 5
4

Short-Term Rental Mgmt SaaS

Prague has 8,572 Airbnb listings. New e-Turista regulation (July 2025) mandates compliance โ€” no Czech tool exists.

Real Estate Solo-Friendly
Proven by
Guesty, Hostaway
TAM
$15-30M
Difficulty
Medium
4.40 / 5
5

Pet Services Marketplace

Rover ($600M+ market cap) not in Czech Republic. 2M+ pet households, only tiny fragmented local options.

Marketplace Solo-Friendly
Proven by
Rover, Wag
TAM
$30-60M
Difficulty
Medium
4.40 / 5
6

AI Bookkeeping for Czech SMBs

1M+ Czech freelancers still use desktop accounting (Pohoda, Money S3). No AI-native solution for Czech-specific requirements.

SaaS Medium Fit
Proven by
Pilot, Bench
TAM
$100-200M
Difficulty
Medium
4.15 / 5
7

Local Experiences Marketplace

GetYourGuide/Viator serve tourists in English. No Czech-language platform for locals to discover workshops, tastings, activities.

Marketplace Solo-Friendly
Proven by
GetYourGuide, Klook
TAM
$25-50M
Difficulty
Medium
4.10 / 5
8

B2B Food Waste Compliance

Czech law mandates food donation from supermarkets. Expanded to school canteens Feb 2025. No tracking/compliance platform exists.

Food Medium Fit
Proven by
Winnow, Leanpath
TAM
$10-25M
Difficulty
Medium
4.05 / 5
9

SMB Expense Management

Pleo ($150M+ ARR) and Spendesk not localized for CZK. Czech SMBs (99.8% of businesses) still use paper receipts.

Fintech Medium Fit
Proven by
Pleo, Spendesk
TAM
$80-150M
Difficulty
Medium-Hard
4.00 / 5

Sample Entry: Too Good To Go

Full database entry with competitor scan verdict โ€” the quality gate in action.

Too Good To Go โ€” Surplus Food Marketplace

130M+ users, 20 countries, ~EUR 500M+ revenue. Surprise Bags at 1/3 of retail price.

APP PRESENT IN CZ
130M+
Users
180K+
Partners
500M+
Meals Saved

Competitor Scan Result

Verdict: APP PRESENT (high confidence). Too Good To Go launched in Czech Republic in June 2024 with 650+ partners in Prague, Brno, Ostrava. Additionally, Nesnezeno/Munch โ€” a local incumbent โ€” has 3,000+ Czech partners, 1.2M+ users, and covers all 14 regions.

Real founder opportunity: Don't clone TGTG. Build B2B food waste compliance tools (mandated by law since 2018), or go hyper-local in underserved smaller cities.

Launch Kit Preview

The $99 premium product โ€” generated from gap analysis data. 528 lines, sourced financials.

Neighborhood Social Network in Czech Republic

Replicating the Nextdoor model in an 11M-person EU market with zero direct competitors.

$99

Reference Model

Nextdoor โ€” $258M revenue, 21M WAU, 11 countries. First positive EBITDA in 2025.

MVP Cost

$25-40K โ€” Next.js + PostgreSQL + PostGIS. PWA first, native app later.

Time to MVP

2.5-3 months. Alpha in Praha 7 (Week 4), public launch in 5 neighborhoods (Week 6).

Break-even

Month 12-18 at ~35,000 users / 350 business subscribers.

Year 1 Revenue

CZK 1.03M ($43K). Business subs CZK 499-1,499/mo + municipal partnerships.

Funding Options

Bootstrap $30-50K โ†’ CzechInvest grants (CZK 1.1-4.5M) โ†’ Credo/Presto seed (EUR 200K-2M).

12-Month Growth Projection

MonthUsersNeighborhoodsBusiness SubsRevenue (CZK)
1100200
31,5001052,500
68,000305045,000
920,00070130135,000
1235,000120250260,000

Go-to-Market Timeline

Month 1 โ€” Validate

Register S.R.O., begin MVP dev, map Prague neighborhoods via RUIAN, recruit founding members, alpha launch in Praha 7.

Month 2 โ€” Launch MVP

Public launch in 5 Prague neighborhoods. PR + Facebook ads. SVJ outreach. Target: 500 users, 20 businesses onboarded.

Month 3 โ€” Grow

Expand to 10 neighborhoods. Launch email digest. Business monetization pilot. Target: 1,500+ users, first revenue.

Month 6-8 โ€” Scale

20-30 Prague neighborhoods. Launch Brno as second city. 50+ paying business subscribers. Municipality partnerships.

Month 12 โ€” Breakout

35,000 users, 120 neighborhoods, 250 business subs. CZK 260K/mo revenue. Begin CEE expansion research (Slovakia, Poland).

Social Content Generated

Each entry auto-generates content for 4 platforms โ€” tailored tone per channel.

Cost Analysis

Full pipeline test: 11M tokens, 240 tool calls, ~$50 total at API rates.

Where the money goes

Cache Write 55%
Cache Read 30%
Output 12%
Cache Write: $25.93 (55%)
Cache Read: $14.06 (30%)
Output: $5.50 (12%)
Input: $1.87 (4%)
SkillTokensToolsTimeCostOptimized
/source-apps~1.7M118m$2.75$0.55
/write-entry1.6M354m$6.06$1.21
/market-research1.1M344m$5.73$1.15
/competitor-scan1.2M303m$4.93$0.99
/gap-analysis2.9M547m$12.52$2.50
/social-content181K81m$1.11$0.22
/newsletter184K61m$1.18$0.24
/weekly-report843K262m$5.22$0.28
/launch-kit2.9M4710m$10.62$10.62
TOTAL~11M24040m$47.36$17.20

Optimized = switch 7 skills from Opus to Sonnet, /weekly-report to Haiku. Keep /launch-kit on Opus (premium product).

$484
Monthly (All Opus)
$136
Monthly (Mixed)
$95
Monthly (Optimized)

Business Model

Revenue vs AI cost โ€” projected monthly at scale.

Revenue Streams

Newsletter (200 paid ร— $7/mo)$1,400
Launch Kits (5 ร— $99)$495
Total Monthly Revenue$1,895

Operating Costs

AI (skills pipeline, optimized)$95
Beehiiv / Substack$49
Domain + hosting$20
Total Monthly Cost$164
Monthly Profit
$1,731
91% margin