Skip to content
Micro-SaaS Insider
M
i
c
r
o
-
S
a
a
S
I
n
s
i
d
e
r
Home
Posts
Tools
Products
Services
Authors
About
Tools for solo founders
Simple, free calculators to help you price, plan, and grow your micro-SaaS — no signup required.
MRR Calculator
Calculate monthly recurring revenue, ARR, and how many customers you need to hit your MRR goals.
Open tool
Runway Calculator
See how many months you can operate before savings run out, and when you reach break-even at your current MRR.
Open tool
Idea Validation Scorecard
Answer a short checklist and get a go, wait, or pivot recommendation before you build.
Open tool
Churn Impact Calculator
Model how monthly churn erodes MRR and how many new customers you need to stay flat or grow.
Open tool
Stripe Fee Calculator
Estimate net revenue after Stripe processing fees on your subscription price and volume.
Open tool
Cold Email ROI Calculator
Estimate how many cold emails you need to land your first paying customers at your reply and conversion rates.
Open tool
Free Trial vs Freemium Picker
Answer a few questions about your product and get a recommendation: free trial, freemium, or paid-only.
Open tool
App Store Title Counter
Count characters for App Store title, subtitle, and keywords fields with live iOS listing limits.
Open tool
Build Path Picker
Answer a few questions about your skills and product shape, then get a recommended build path: Bolt, Cursor, Expo, or custom code.
Open tool
Price Raise Impact Calculator
Model how a SaaS price increase changes MRR after expected churn, so you can raise prices with clear net impact.
Open tool
Apple Commission Calculator
Estimate net proceeds after Apple's 15% or 30% App Store commission on iOS subscription revenue.
Open tool
Competitor Research Scorecard
Score three competitors on positioning, pricing, and gaps, then get a go, wait, or differentiate recommendation.
Open tool
Product Hunt Launch Checklist
Work through a pre-launch and launch-day checklist so your Product Hunt day is assets and timing, not panic.
Open tool
Loom Outreach Fit Picker
Answer eight questions and get a recommendation: use async Loom at touch three, stick to text first, or skip video outreach for your micro-SaaS.
Open tool
Activation Rate Calculator
Calculate signup-to-activation and activation-to-paid rates, and see how fixing activation moves trial conversion.
Open tool
Dunning Recovery ROI Calculator
Estimate how much MRR you recover from failed-payment retries and dunning emails versus involuntary churn.
Open tool