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Built by Mark Gabrielli · WETYR Corp

Apps That Actually Ship

Two apps live on the iOS App Store: Calculator Plug (450+ real-world calculators) and Prompterly (professional teleprompter). Built internally with no third-party plugins. More apps below.

What Calculator Plug Covers

450+ calculators across 10 real-world categories.

Construction + Home

Concrete, drywall, flooring, roofing, framing, square footage, brick, paint coverage, lumber, deck materials.

Finance + Money

Mortgage, loan amortization, refinance, compound interest, ROI, retirement, tax, savings goal, debt payoff.

Health + Fitness

BMI, body fat, calories, macros, heart rate, pace, hydration, one-rep max, BMR, TDEE.

Math + Science

Algebra, geometry, statistics, chemistry, physics, trigonometry, calculus helpers, scientific notation.

Trades

Electrical (Ohm's Law, voltage drop, wire size), plumbing, HVAC (load, duct sizing), welding, structural.

Trading + Investing

Position size, pip value, cost basis, capital gains, dividend yield, options Greeks, risk-reward.

Conversions

Length, weight, volume, temperature, area, speed, energy, pressure, currency, time zones.

Automotive

MPG, lease vs buy, loan, gear ratio, tire size, towing capacity, fuel cost.

Business

Pricing, margin, markup, breakeven, sales tax, tip, invoice math, payroll.

Field Pack

Local weather, tides, sunrise + sunset, moon phases, GPS, dates, time math.

Why Calculator Plug Wins

01

One App, 450+ Calculators

Stop hunting through search engines + pop-up-ridden sites for the formula you need. Everything in one place, searchable in a tap.

02

Works Offline

Job site with no signal? Field work in the middle of nowhere? Calculator Plug runs offline (except live weather + tides). No subscription paywalls behind every calculation.

03

Real-World Categories

Built around what people actually need - construction trades, finance, health, trading - not abstract math homework problems.

04

Clean Dark Interface

No clutter. No tracking pixels. No ads inside the calculator screens. Designed to get out of your way and give you the answer.

05

Free Core + Pro Unlocks

Free to use with a core set of the most-used calculators. Pro unlocks every calculator in the library. Pro+ adds the professional trades suite.

06

Built Internally

WETYR Corp builds its apps internally with no third-party plugins or open-source AI dependencies. Native iOS, fast, owned-end-to-end.

The Rest of the Lineup

More apps in the App Store + Google Play coming through the WETYR pipeline.

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Prompterly

Productivity · Teleprompter

Turn your phone into a teleprompter. Write a script, hit record, and read it straight off the screen while you film. Everything stays on your device. 5 free sessions then auto-renew subs (Weekly $4.99 / Monthly $14.99) via Apple IAP.

App Store FREE to download
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Moguly

Finance · Builder mindset

Mogul mindset finance + business app for builders. Track the real metrics that matter for cash flow, growth, and compounding ownership. Designed for entrepreneurs and side hustlers stacking real assets.

Submitted
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CashStacker

Finance · Cash management

Track + grow your cash. Money management for stackers - know where every dollar is, where it should be, and the next move to stack faster. No advice, no fluff, just the dashboard you actually open.

Submitted
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Idle Tycoon

Games · Idle business sim

Build your business empire one idle click at a time. Hire workers, upgrade businesses, automate revenue, unlock new industries. Free with optional Remove-Ads IAP. Built on Expo for iOS + Android.

In Development

Need an App Built Like This?

Mark Gabrielli + WETYR Corp build apps for clients too - from concept to App Store submission to ongoing growth. If you need an app shipped that actually makes it through review, book a 30-minute scoping call.

Book a 30-minute call →