By Mert Bulan
Report updated Apr 24, 2026
FIREcalc: Early Retirement Age
For individuals interested in the Financial Independence, Retire Early (FIRE) movement who want to model their retirement timeline.
Overview · Full Intel report in progress
FIREcalc: Early Retirement Age is an established finance app that is completely free. With a 4.8/5 rating from 12 reviews, it shows polarized user reception.
What is FIREcalc: Early Retirement Age?
Current Momentum
v1.0 · 1mo ago
ActiveLast updated 37d ago. 5 versions tracked.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Calculates LeanFIRE or FatFIRE timelines based on user-provided age, income, expenses, and portfolio data.
Allows users to factor in inflation to improve the accuracy of long-term financial projections.
The app is marketed as a secure platform that keeps user financial data private.
How much does it cost?
Who Built It?
Mert Bulan
Developing privacy-focused, utility-driven applications for Apple platforms that prioritize native performance and user-centric design.
Portfolio
9
Apps
Who is Mert Bulan?
Mert Bulan operates as a solo developer studio leveraging a professional background at Shopify and XING to build high-quality, native Apple utilities. The portfolio's strategic moat lies in its privacy-first architecture and deep integration with the Apple ecosystem, specifically utilizing SwiftUI and iCloud Keychain for secure, energy-efficient tools. A key signal is the publisher's transition from cross-platform frameworks to pure native development, targeting niche technical and local audiences with specialized tools rather than broad consumer plays.
Who is Mert Bulan for?
- Privacy-conscious Apple power users
- Developers
- Residents of Hamburg seeking specialized local or financial planning tools
Portfolio momentum
The publisher is highly prolific, maintaining 8 active apps with 17 releases in the last 6 months, indicating a rapid development and iteration cycle.
What other apps does Mert Bulan make?
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Trees in Hamburg
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
Analysis in progress, available soon
What is the competitive landscape for FIREcalc: Early Retirement Age?
How's The Finance Market?
Market outlook for this category
Available very soon
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for FIREcalc: Early Retirement Age
Key Takeaways
FIREcalc provides a straightforward, privacy-focused interface for users to model and track their progress toward early retirement goals.
Where Is It Heading?
Trend analysis
Available very soon