
SELL FIRST
Marketing OS for app builders
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Free
In-App Purchases
About
You built the app. Now make the sale legible.
SELL FIRST is a native marketing decision workspace for independent App Store builders. Start free with a six-question diagnostic that identifies a plausible demand route and the next evidence test. No account or purchase is required for the diagnostic.
FULL ACCESS — ONE APP STORE PURCHASE
Unlock the complete workspace, twelve-module implementation course, SELL FIRST Bible, prompt workflows, templates, and decision tools with one non-consumable in-app purchase. There is no subscription. The current localized price appears before you confirm the purchase with Apple, and Restore Purchases is available in the app.
START WITH THE SALE SPEC
Define a reachable buyer, painful trigger, honest promise, price hypothesis, objection, and evidence boundary before another feature enters the backlog.
CHOOSE ONE DEMAND ROUTE
Compare search capture, discovery creation, product and referral, and sales-led B2B routes. Every recommendation stays provisional until buyer behavior supports it.
FIND THE FUNNEL BREAK
Record comparable funnel snapshots from impression through referral. SELL FIRST identifies where observed behavior stops without pretending that a ratio proves why.
RUN AN APP SALES AUTOPSY
Keep at least two plausible explanations alive. Preregister a separating experiment, what stays constant, what each explanation predicts, and the limitations you will carry forward.
MODEL CONTRIBUTION ECONOMICS
Separate billings, platform fees, refunds, acquisition, support, and variable operating costs using your own inputs. Calculations are decision aids, not forecasts or accounting advice.
DECIDE WITH RECEIPTS
Finish each cycle with a dated FIX, PIVOT, KILL, or SCALE memo. Preserve what was observed, what remains uncertain, and the next bounded action.
CONTROL YOUR DATA
Create a portable account export or permanently delete your workspace from Settings. SELL FIRST has no advertising SDK and does not track you across other companies' apps or websites.
SELL FIRST does not guarantee App Store acceptance, featuring, downloads, sales, revenue, profitability, retention, or advertising performance. It gives you a clearer test and a better evidence record.
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What's New in SELL FIRST
1.0
August 17, 2026
1
In-App Purchases
$999.00
SELL FIRST Full Access
Complete workspace, course, Bible, and tools.







