Independent iOS Studio

Apps Built
to Last

We make focused, beautifully crafted apps for iOS, designed to stay out of your way and work reliably every day.

Our Apps
Horizon Market Compass

HorizonMarketCompass Live (iOS + Mac)

Intelligent Portfolio & Dividend Tracker

Unify 8 markets in one portfolio: US, Japan, India, China, Hong Kong, Korea, Singapore, and Japanese mutual funds. Score every stock with Sentinel and Compounder quality scores. Collect every dividend, gross to net in your currency. Steer with alerts, tax-aware rebalancing, and an Apple Watch companion.

Free · 2 weeks full access for new users · Premium $39.99/yr
Learn More →
Compounder HQ

Compounder HQ Live

Dividend, Income & Quality-Growth Tracker for US-listed Securities

Multi-account first-class (Taxable / IRA / Roth / 401(k) / HSA + 19 non-US wrappers). 365-day dividend calendar, received ledger and per-month income forecast. Compounder Score 0-10 per holding with Margin of Safety + Quality-Growth screener. Forward after-tax income projection across 9 residencies. Specific-lot accounting (FIFO / LIFO / min-tax / max-tax / average).

2 weeks free, no payment required · then Pro $39.99/yr
Learn More →
DhyanaMala

DhyanaMala Live

Hindu Mantra Chanting & Meditation

210 curated mantras across 17 sacred groups: Navagraha, Gayatri, Nakshatra, Jyotirlinga, and more, plus Sacred Texts: the Hanuman Chalisa and Vishnu & Lalita Sahasranamam in Devanagari, Telugu & English. Digital mala counter, meditation timer, and session tracking.

Free
Learn More →
Nestward

Nestward Live

Your Family, Coordinated. Privately.

Plans, places, money, and presence for your household and friend circles, end-to-end encrypted, no ads, no trackers, no company server. Location sharing that is reassurance, not a leash: always visible, pausable, auto-expiring, and shareable with just the people you choose. Your data lives in your iCloud.

Free
Learn More →
Horizon Campus Compass

Horizon Campus Compass Live

University Discovery & Admissions

Find your best-fit university across 468 universities in 13 countries. Honest Reach/Match/Safety calls, fair GPA treatment for 9 grading systems, per-major earnings & debt from federal data, scholarship matching, and a currency-fair offer comparison, built for students and parents.

Free
Learn More →
BharatPropVault

BharatPropVault Live (iOS + Mac)

Indian Property & Rental Management

Manage rental properties, tenants, leases, and taxes, built for Indian landlords. AES-256 encrypted document vault, OCR scanning, capital gains calculator, Section 24 & TDS tracking, and rental listings to NoBroker, 99acres & more.

Free · Premium $19.99/yr
Learn More →
CloudSweep

CloudSweep Coming Soon

Duplicate Finder for Your Clouds

Find duplicate photos & videos on your device and across iCloud Drive, OneDrive and your photo-service exports, all matching runs on-device. Clear the extras safely with recoverable deletes.

Free · Premium $19.99/yr
Learn More →
MindWard

MindWard Coming Soon

Your Personal Workspace

Notes, tasks, mind maps, voice memos and a private vault in one app. Everything syncs through your own iCloud, and vault items are encrypted so only you can read them.

Free · Pro $2.99/mo or $19.99/yr
Learn More →
About Us

Tools That Respect Your Time

At MARS Studio, we build apps for people who value clarity over clutter. Each app is a focused tool, no accounts, no data collection. Your data stays on your device.

🔒

Privacy First

No accounts, no tracking, no analytics. Your financial and property data never leaves your device. iCloud sync is optional and user-controlled.

💎

Honest Pricing

No ads, no hidden costs. Most apps are completely free. Where a premium tier exists, there's a free tier or a free access period so you can evaluate before you pay.

🎯

Focused Design

Each app does one thing exceptionally well. Clean interfaces that stay out of your way and work reliably every day.

"The best tool should think like a senior executive, not a spreadsheet."

Founded by a technology executive with over 30 years of experience leading global teams, MARS Studio builds apps with a simple conviction: intelligence should be built into the product, not bolted on as a subscription. Using AI-assisted development and a Calm UI philosophy, our apps are your silent, intelligent co-pilots.

Built in Tokyo, Japan