Guides
Notes on studying, travel budgets, workout recovery and company research. I write these to explain the problems behind the products, and the choices that help with them.
Study planning
Best study apps for students in 2026
An honest comparison of study planners, focus audio, and anti-distraction apps by what they actually solve.
Vitae vs Brain.fm
Study planner or focus audio? A feature-by-feature comparison, not a sales pitch for either.
How to plan a study week
A realistic way to turn exams, available time and priorities into a week you can actually follow.
Best offline study apps
What to look for when you want study planning and focus tools that remain useful without a connection.
Best study planner apps for iPhone in 2026
How the main study and exam planner apps on iPhone compare, and how to pick one for exam season.
Best exam countdown app for iPhone
Why a plain days-left counter isn't enough, and what a useful exam countdown app should track.
Best study timer for iPhone
What to look for in a study timer, how Pomodoro works, and why pairing a timer with a plan matters.
How to know what to study today
A fixed order of priorities for deciding what to study when several subjects compete for the same hour.
How to plan revision for exams
A step-by-step method for turning an exam date into an hour target and a realistic schedule.
Binaural beats for studying on iPhone
What binaural beats are, what the evidence actually supports, and how to try them with headphones.
Travel & money
Best travel budget apps
TravelBudget, Trail Wallet, TravelSpend, Splitwise and a spreadsheet, compared by the problem each one solves.
How to budget a trip
A practical, step-by-step approach to estimating and tracking travel costs before and during a trip.
How to track expenses while traveling
A simple system for recording purchases across currencies and knowing what budget remains.
Fitness & recovery
How long does muscle soreness (DOMS) last?
What DOMS actually is, the typical timeline, and what actually helps.
How many rest days do you need per week?
There's no single number. What determines how much recovery you need, and a practical starting point.
How long do muscles take to recover?
General, hedged guidance on muscle recovery time and the factors that influence it.
How to train when you are sore
How to assess a session and adapt it without forcing a rigid calendar.
Investment research
What is an economic moat?
A plain-language explanation of economic moats and how to start assessing one.
How to analyze a company
A structured framework from business model and industry to risks and competitive position.
Pricing power explained
What pricing power means and how to distinguish it from simply charging a high price.
Sales & closing
What is a freelance closer?
The role, how it differs from a setter and an in-house rep, and when it makes sense to use one.
How to pay a freelance closer
Commission, retainer or mixed, what moves the rate, and the clauses to settle first.
Freelance closer or in-house rep?
The two models compared on cost, ramp-up, risk and the durability of the relationship.
How to brief a closer
The six blocks a mission brief needs so a closer is productive in days, not weeks.