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Available for acquisition is a profitable iOS mobile privacy and security utility generating $161,605 in trailing twelve-month (TTM) revenue and $90,952 in TTM net profit — a 56.2% net margin — with monthly operating costs of approximately $68. The business is currently operating in a fully passive mode, requiring zero hours of owner involvement per week, and is generating $6,000–$7,000 per month in near-pure profit from its existing subscriber base.
The application bundles multiple high-demand privacy and security features — including anti-phishing protection, ad blocking, a secure PIN-locked photo vault, email breach verification, and privacy tools — into a single premium subscription product. It is available exclusively on iOS and targets users in the US The app has accumulated 140,000+ lifetime installs, maintains approximately 600 Daily Active Users (DAU) and 1,200 Monthly Active Users (MAU), and carries a 4.3-star App Store rating.
The business monetizes exclusively through in-app subscriptions (no advertising revenue), with a weekly tier at $9.99 and an annual tier at $69.99. This subscription-only model produces clean, predictable, recurring cash flow with no dependency on ad network CPMs or third-party monetization partners.
The current owners previously ran highly profitable paid User Acquisition (UA) campaigns, achieving a Cost Per Install (CPI) of approximately $2.80 and generating over 6 million ad impressions in the past 12 months. UA was paused in late 2025 due to a capital reallocation decision — not due to any product, market, or platform issue. Since the pause, the app has continued to generate organic installs daily and the existing subscriber base continues to renew, producing the current passive income stream. The business is now being offered as a clean asset sale to a buyer who can either hold it as a passive income asset or immediately restart UA to scale ARR.
This opportunity is well-suited for mobile app aggregators, growth marketers, and financial buyers who understand subscription funnels and paid user acquisition economics. A buyer holding the asset passively can expect approximately $80,000 in cumulative revenue over the next 12 months with near-zero cost. A buyer who restarts UA at scale has access to a validated conversion funnel, proven CPI metrics, and a product that the seller believes has the potential to reach $3M+ ARR with sufficient marketing investment.
o Highly Profitable Passive Income Asset: The business currently generates $6,000–$7,000/month in near-pure profit with monthly expenses of just ~$68 (two API subscriptions). No employees, no servers, no active management required.
o Proven Subscription Monetization: 100% of revenue is generated through IAP subscriptions — no advertising, no CPM dependency. The subscription-only model delivers clean, recurring, predictable cash flow from day one.
o Validated UA Funnel Ready to Restart: The app has a proven paid acquisition track record with a ~$2.80 CPI and over 6 million ad impressions in the past 12 months. A buyer with marketing capital can immediately restart campaigns to rebuild and grow the subscriber base.
o Exceptional Margins: TTM net profit margin of 56.2%, rising to 99%+ in the current passive phase. The cost structure is among the leanest possible for a subscription app — two API subscriptions totaling $68/month.
o High-Demand, Durable Category: Mobile privacy and security address recurring, practical user needs — not trends. The global mobile security market is estimated at $9–10 billion, with the broader privacy market exceeding $80 billion. The photo vault and app lock niche alone represents a $1B+ subscription opportunity.
o Lean Technical Footprint: Built natively on iOS (UIKit) with no proprietary backend servers. Full source code, domain, and all assets transfer with the business. Outsourced developers familiar with the codebase are available at $50/hour for future development.
o Strong App Store Presence: 140,000+ lifetime installs and a 4.3-star rating — indicators of genuine product-market fit and user satisfaction in a competitive category.
o Clear Growth Roadmap: Multiple untapped levers available to a new owner, including UA restart, quarterly subscription tier introduction, ASO optimization, geographic expansion beyond the US, Android launch, and feature expansion (VPN, private browser).
The seller is committed to a smooth handover and will provide focused transition and training, followed by availability for questions. The business requires zero ongoing operational involvement, making the transition straightforward for any qualified buyer. Outsourced developers familiar with the codebase are also available at an hourly rate for any future development work the buyer wishes to undertake.
The owners are serial mobile app builders who have bootstrapped multiple applications to profitability. They are selling this asset to reallocate capital toward new bootstrapped projects. This is not a distressed sale — the business is healthy, cash-flowing, and being offered from a position of strength. The sellers believe the asset is best positioned with a buyer who has the capital and expertise to restart UA and unlock the full growth potential of the product.