🚀 Launched October 24, 2026 • Built in Toronto, Ontario, Canada

Five Flat-Rate Micro-SaaS Tools That Stop Subscription Bloat

No per-seat taxes. No $99/month enterprise gates. Built by Yadun Know for Google Sheets operators, freelance consultants, Slack teams, Shopify merchants, and Canadian Etsy sellers.

Explore All 5 Apps Use the 4 Free Calculators $375 Launch Revenue Planner

The 5-App Micro-SaaS Portfolio

Every tool starts with a generous Free tier or instant preview and upgrades for a simple, predictable flat rate via Stripe.

App #1 • Google Workspace getrangedrop.com

RangeDrop

Schedule any Google Sheets cell range or chart to deliver automatically to Slack channels, Microsoft Teams workflows, and HTML/PDF/CSV email.

  • Slack Block Kit monospace tables + Teams Adaptive Cards
  • Inline chart PNG rendering & PDF/CSV email attachments
  • Narrow OAuth scopes (spreadsheets.currentonly)
  • Timezone & DST-aware hourly scheduler
Free (1 schedule) US$6/mo or US$49/yr
Visit RangeDrop Free Webhook Tool
App #2 • Chrome Web Store getchronosheet.com

ChronoSheet

Manifest V3 Chrome Extension that turns your existing Google Calendar events into client-tagged billable timesheets and printable PDF/CSV invoices.

  • Auto-match events by keyword, tag, or calendar color
  • Assign per-client hourly rates & duration rounding (6m/15m/30m)
  • 1-click RFC 4180 CSV & print-ready client invoice PDF
  • Read-only Google Calendar scope + instant Demo mode
Free (1 client rule) US$5/mo or US$39/yr
Visit ChronoSheet Free Billable Calculator
App #3 • Slack App Directory cheerflat.com

CheerFlat

Celebrate team birthdays and work anniversaries automatically in Slack without paying $1/user/month per-seat fees.

  • Flat workspace pricing for up to 50 teammates
  • Slash commands (/celebrate add, import, list) & App Home
  • Leap-year Feb 29 handling & per-workspace timezone cron
  • Saves 35-person teams $380+/year vs per-seat bots
Free (up to 5 people) US$4/mo or US$39/yr flat
Visit CheerFlat Slack Block Previewer
App #4 • Shopify App Store getcasegate.com

CaseGate Order Limits

Enforce min/max order quantities, cart subtotal caps, B2B customer-tag rules, and wholesale case-pack multiples right at Shopify Checkout.

  • Native Shopify Cart & Checkout Validation Functions
  • Enforce case packs of ×6, ×12, or ×24 units per SKU
  • Storewide B2B minimum order subtotal floors (e.g. $300 MOQ)
  • Zero theme Liquid hacking; works on all Shopify plans
Free (Dev + 1 live rule) US$7/mo or US$59/yr
Visit CaseGate Free Case-Pack Calculator
App #5 • Direct Web App (Zero Gatekeeper) craftledger.ca

CraftLedger (Etsy T2125)

Canadian Etsy Seller CRA Form T2125 Tax Summary Generator & $30,000 4-Quarter GST/HST Small Supplier Threshold Tracker.

  • 100% browser-based Etsy CSV parser (zero server data uploads)
  • Maps Etsy listing, transaction, processing & ad fees to CRA T2125
  • Tracks rolling 4-quarter taxable revenue against the $30K CRA limit
  • Provincial breakdown across ON, BC, AB, QC, Atlantic & Prairies
Free threshold preview CA$29 / tax year
Launch CraftLedger Free Etsy Tax Calculator

4 Free Interactive SEO Calculators & Engineering Tools

Built to rank for high-intent long-tail search queries and funnel qualified buyers directly into our 5 paid products.

Funnels to App #5 • CraftLedger Canadian Tax & E-Commerce SEO

1. Free Canadian Etsy Fee, T2125 & $30K GST/HST Threshold Calculator

Calculate exact Etsy Canada listing ($0.27 CAD), transaction (6.5%), regulatory (1.15%), payment processing (3% + $0.25), and Offsite Ads fees, estimate CRA Form T2125 net business income, and check your rolling 4-quarter distance to mandatory GST/HST registration.

Open Canadian Etsy Tax Calculator →
Funnels to App #2 • ChronoSheet Freelance & Consultant SEO

2. Free Freelance Billable Hours, Utilization Rate & Leaked Revenue Calculator

Measure how many unbilled hours hide inside your weekly Google Calendar meetings, client calls, and scope changes — and calculate your true effective hourly rate and annual recovered income.

Open Freelance Billable Calculator →
Funnels to App #1 RangeDrop & App #3 CheerFlat DevOps & RevOps SEO

3. Free Slack Block Kit & Microsoft Teams Adaptive Card Report Webhook Tester

Paste any spreadsheet CSV snippet or KPI table to preview how it renders as a Slack Block Kit monospace table or Microsoft Teams Adaptive Card 1.5 table, and copy the ready-to-POST JSON payload.

Open Webhook Payload Generator →
Funnels to App #4 • CaseGate Shopify B2B & Wholesale SEO

4. Free Shopify Wholesale Case-Pack, MOQ & Tiered Margin Calculator

Model wholesale case-pack multiples (×6, ×12, ×24), minimum order quantities (MOQ), pick-pack fulfillment costs, and break-even order floors before configuring Shopify Checkout validation rules.

Open Case-Pack Margin Calculator →

Interactive $375 Quick-Win Revenue & MRR Goal Calculator

Model exact combinations of annual Pro upgrades, monthly subscriptions, and CA$29 CraftLedger unlocks to hit the immediate $375 subscription goal and scale to $1,000+ MRR.

Live Portfolio Revenue Projection

Updates automatically as you adjust customer counts or choose a launch preset.

Progress Toward $375 Goal 112%
Immediate Cash (USD)
$421.45
≈ CA$568.95 collected Day 1
Total Paid Customers
22
$0.00 remaining to goal
Normalized MRR (USD)
$80.08/mo
Monthly + 1/12th annual plans
Annualized Run Rate
$1,068.45/yr
12-mo ARR + one-time unlocks

Portfolio Pricing & Distribution Matrix

How our 5 apps undercut legacy incumbents while running on $0/month Cloudflare Workers + Pages infrastructure.

App Name Primary Channel Free Tier Paid Pro Pricing Incumbent Replaced Interactive SEO Tool
RangeDrop Google Workspace Marketplace 1 schedule / sheet US$6/mo or US$49/yr Coefficient ($49+/mo), Supermetrics Webhook Tester
ChronoSheet Chrome Web Store 1 client rule + weekly export US$5/mo or US$39/yr Harvest ($12/seat), Toggl Track Billable Hours Calc
CheerFlat Slack App Directory Up to 5 teammates US$4/mo or US$39/yr flat Billy Birthday ($1/user), Donut Slack Block Previewer
CaseGate Shopify App Store Dev stores + 1 live rule US$7/mo or US$59/yr MinMaxify ($10–$20/mo), OrderLogic Case-Pack Margin Calc
CraftLedger Direct Web App (SEO + Reddit) Instant preview + $30K gauge CA$29 / tax year QuickBooks Self-Employed ($20+/mo) Etsy T2125 & GST Calc