Now Accepting Partners

WORKWITH US.

Whether you want to integrate, collaborate, or reach our audience — there's a way to work together.

500K+
Active Users
5.0★
App Store Rating
150+
Countries
0
Ads. Ever.
Partnership Types

Who We
Work With

From classrooms to enterprise, Calculator integrates cleanly wherever precision math matters.

Educational Platforms
Embed Calculator into e-learning apps, STEM courses, and tutoring platforms for students who need real math, not estimates.
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Fintech & Banking
Integrate precise calculation into budgeting apps, invoice tools, loan calculators, and financial planning workflows.
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Productivity Tools
Add powerful inline calculation to note-taking apps, planning tools, and workflow platforms where quick math is essential.
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Device Manufacturers
Pre-install Calculator on Android devices as the default math app. Clean, fast, and offline — a natural fit for any device.
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Content & Media
Tech reviewers, YouTube creators, and app-focused media — feature Calculator in your content and reach your audience with something worth covering.
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Enterprise & Teams
Custom deployments, white-label arrangements, and bulk licensing for organizations that need reliable calculation at scale.
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Why Calculator

Built for
Serious Work

Partnering with a product people genuinely use every day is different from chasing ad eyeballs.

01
Reach Engaged Users
Calculator users open the app to solve a real problem, not to browse. Every session is intentional — making partnership placements significantly more effective than passive ad inventory.
02
Zero Ad Clutter
Our app has no ads. Ever. That means your integration is not competing with banner noise — it stands alone in a clean, respected product that users actually trust and recommend.
03
Developer-First Integration
A custom math engine built from scratch — no eval(), no surprises. Clean APIs, thorough sandbox access, and a dedicated technical contact throughout the integration process.
How It Works

Four Steps
to Go Live

From first contact to full integration, we move fast and support you at every step.

01
Submit Application
Tell us about your product and what kind of integration you have in mind. We review every application within 48 hours.
02
Discovery Call
A focused 30-minute session to align on integration scope, technical requirements, timelines, and success metrics.
03
Integration & Go-Live
Receive API credentials and sandbox access with dedicated technical support. Staged rollout with full QA before production.
04
Grow Together
Co-marketing support, joint case studies, quarterly reviews, and continuous technical backing as your integration scales.
Apply Now

Start a Conversation

Tell us what you're building. Whether it's a tight integration or an exploratory idea, we want to hear it.

Reviews completed within 48 hours
Dedicated partner manager assigned
500K+
App Users
50K+
Monthly Web Visits
150+
Countries Reached
5.0★
Audience Quality
Ad Formats

Three Ways
to Reach Us

No in-app banner ads — ever. Our placements are premium, contextual, and actually seen.

Website
Website Placements
Sponsored sections and featured callouts on calculator-website — visible to users actively researching the app, reading features, and comparing options.
Hero section sponsorship
Feature callout card
Footer featured brand slot
Newsletter
Newsletter Sponsorships
Reach Calculator's opted-in user base through our product newsletter. Dedicated brand story, direct CTA, and click-tracking included in every send.
Dedicated brand feature
Sponsored tips & use cases
Product launch announcements
Social
Social Collaborations
Co-branded content across Instagram, YouTube, and X. App tutorials, product spotlights, and sponsored posts that feel native — not forced.
Co-branded app tutorial
Sponsored product spotlight
Cross-promotion campaign
Why Calculator

A Different
Kind of Reach

Our users don't expect ads in the app. So when they see your brand through our channels, it lands.

01
High-Intent Audience
Calculator users are focused, task-oriented, and often working on financial, educational, or professional problems — a premium segment for any brand that values quality over volume.
02
Zero In-App Ad Noise
Because Calculator has no in-app ads, our users are not ad-blind. Your brand placement through our website and newsletter carries significantly more weight than a banner in a cluttered feed.
03
Dedicated Ad Manager
Every advertiser is assigned a real person who handles campaign setup, monitors performance, shares analytics reports, and handles optimizations — no self-serve dashboards to wrestle with.
Get in Touch

Launch Your Campaign

Tell us about your brand and campaign goals. We'll find the right placement and get back within one business day.

Response within one business day
Real-time analytics included
Not Sure Where to Start?

Just Say Hello

Drop us a line and tell us about your idea. No pitch deck required.

Email hello@calculator.app Get the App First

Explore the product

All Features Scientific Mode Download Free