Build in Public

7 articles

Behind the scenes of building MFFT — updates, metrics, and lessons.

Tell the App Your Target Mix. It Tells You What to Buy This Month.

There's a fourth tab on the portfolio page that takes the split you want and tells you what to buy this month in whole shares, net worth finally has a place for the car and the private shares, and reordering your accounts works on a phone.

Sep 21, 20266 min read

Dennis Vymer

MFFT Learned Pounds and Rand. One Long Fund Name Nearly Stopped It.
Sep 15, 2026 · 5 min readDennis Vymer
I Said You'd Stop Uploading Broker Files. This Week You Can.
Sep 7, 2026 · 6 min readDennis Vymer
I Deleted the Code That Guessed What's Inside Your Funds
Aug 24, 2026 · 5 min readDennis Vymer
MFFT Now Costs Money. Writing That Sentence Was the Hard Part.
Aug 19, 2026 · 5 min readDennis Vymer

Someone Emailed: My Fee Numbers Were Wrong. He Was Right.
Aug 13, 2026 · 5 min readDennis Vymer
My First Podcast: The MoneyPenny TL;DR
Jul 18, 2026 · 5 min readDennis Vymer

Tell the App Your Target Mix. It Tells You What to Buy This Month.

MFFT Learned Pounds and Rand. One Long Fund Name Nearly Stopped It.

I Said You'd Stop Uploading Broker Files. This Week You Can.

I Deleted the Code That Guessed What's Inside Your Funds

MFFT Now Costs Money. Writing That Sentence Was the Hard Part.

Someone Emailed: My Fee Numbers Were Wrong. He Was Right.

My First Podcast: The MoneyPenny TL;DR