Blog
Practical, factual writing for developers, designers and marketers — and buying guides for the apps we build. No fluff.On-Device AI vs Cloud AI: What Actually Leaves Your Machine
What actually leaves your machine under each approach, where the trade-offs land for latency, cost and confidentiality, and when local processing is the default.
Read article →How to Reply to a Negative Review Without Making It Worse
What a public reply to a negative review is really for, the structure that works, and the reflexes that turn one bad review into a worse thread.
Read article →Writing Support Replies That De-escalate an Angry Ticket
The moves that lower the temperature of an angry ticket - acknowledgement, specifics, a concrete next step - and the phrases that reliably make it worse.
Read article →Scheduling Across Timezones Without the 6 a.m. Call
How to find a slot that is reasonable for everyone, survive the daylight-saving shifts that break recurring invites, and write times that cannot be misread.
Read article →Meeting Minutes That Capture Decisions, Not Transcripts
Minutes are not a transcript. What to record - decisions, owners, deadlines - and how to write them so they are still useful a month later.
Read article →How ATS Resume Parsing Actually Works, and What Breaks It
How applicant tracking systems read a resume, the formatting choices that make text unreadable to them, and what to do without gutting your layout.
Read article →Google and Meta Ad Copy Limits: Writing Well Inside the Character Counts
The character limits Google and Meta enforce on ad copy, and how to write a headline that still says something once it fits inside them.
Read article →Why an Outline Beats a Blank Page: Structuring a Post Before You Write It
Why structuring a post before drafting produces a better piece faster, and how to build an outline that survives contact with the actual writing.
Read article →Open Graph and Twitter Card Tags That Actually Render Correctly
The Open Graph and Twitter Card tags platforms actually read, the image rules that trip people up, and how to check a link before you post it.
Read article →Title Tags and Meta Descriptions: The Lengths That Survive a Google Rewrite
How much of a title and description a search engine will actually show, why it rewrites them, and how to write so the important part survives.
Read article →How to Build a Brand Palette That Passes Accessibility Checks
A working method for taking one brand colour and building a palette that stays on-brand while meeting contrast requirements for text and interface states.
Read article →WCAG Contrast Ratios Explained: 4.5:1, 3:1, and What Actually Fails
Where the 4.5:1 and 3:1 thresholds come from, how the ratio is computed, and the everyday palette choices that quietly fail an accessibility check.
Read article →Diceware Passphrases vs Random Passwords: Which to Use Where
Random strings and Diceware passphrases reach similar strength by different routes. Which suits a password manager, and which suits a phrase you have to type.
Read article →Password Entropy in Bits: What 40, 60 and 128 Actually Buy You
What the entropy figure on a password generator means, how it is calculated, and which bit counts actually matter for different kinds of secrets.
Read article →Semantic Versioning in Practice: What Actually Counts as a Breaking Change
Semantic versioning is easy to state and hard to apply. What forces a major bump, what belongs in a minor, and the grey areas that start arguments.
Read article →Cron vs systemd Timers: Which Scheduler for Which Job
Where cron is still the right tool, what systemd timers offer that cron cannot, and how to choose between them for a scheduled job.
Read article →Diffing JSON Payloads: A Practical Method for Debugging API Integrations
A repeatable way to compare two JSON payloads when an integration breaks, so you find the field that changed instead of reading both dumps line by line.
Read article →Greedy vs Lazy Quantifiers: The Regex Bug You Keep Writing
Why a greedy quantifier swallows more than you meant, how the lazy form changes the match, and what each choice costs in backtracking.
Read article →How to Write Release Notes People Actually Read
Turning a commit log into release notes someone can act on: what to include, what to cut, and how to order changes so the one that matters is not buried.
Read article →Regex Capture Groups and Lookarounds, Explained With Real Patterns
What a capture group actually captures, when the non-capturing form is the right call, and how lookarounds match a position without consuming characters.
Read article →Cron Expression Syntax Explained: Five Fields and the Three That Trip People Up
The five cron fields, the operators that modify them, and the day-of-month versus day-of-week rule that makes jobs fire more often than people expect.
Read article →JSON Schema Validation: Catching Bad Payloads Before They Reach Production
How schema validation stops malformed payloads at the edge of a system, which keywords earn their place, and where validation belongs in a request path.
Read article →Chess Clock vs Lap Stopwatch: Which Timer for Which Job
Both Chess Clock and Lap Stopwatch are live on the App Store, but they serve very different timing needs. Chess Clock is designed for two-player games where each participant needs their own…
Read article →BMI Mate vs Macro Quick: Picking the Right One-Screen Health Tool
BMI and macro tracking serve different purposes in health monitoring. Body mass index measures weight relative to height, providing a general indicator of body composition. Macro tracking focuses…
Read article →Chord Finder vs Flashcards: Two Ways to Drill Guitar Chords
Drilling guitar chords and memorising vocabulary share a common challenge: knowing something in theory and being able to recall it under pressure. Both Chord Finder and Flashcards address this…
Read article →The Best Paid Games iOS Apps to Try in 2026
Chess Clock offers a straightforward approach to timekeeping for two-player games. The app presents two large tap zones that correspond to each player, with two countdown timers running…
Read article →The Best Paid Health & Fitness iOS Apps to Try in 2026
BMI, or body mass index, has been a standard measure of body composition for decades, though it is not without its limitations. It simply divides weight by the square of height, and while it does…
Read article →How to Track Your BMI Privately On-Device in 2026
Body mass index is a number derived from your weight and height, calculated by dividing weight in kilograms by height in metres squared. It has been used for decades as a rough indicator of…
Read article →BMI vs Waist-to-Height Ratio: Which Number Actually Tells You More
BMI and waist-to-height ratio are both widely used to assess body composition, yet they measure different things. BMI is a simple ratio of weight to height, while waist-to-height ratio compares…
Read article →Using a Chess Clock for Scrabble and Board-Game Night
Traditional Scrabble uses a single clock that counts down for both players, with the clock starting when one player finishes their turn. This means the opponent's time begins ticking the moment…
Read article →Paper Chord Chart vs a Chord App: Which Actually Helps You Practice
Chord charts have been the standard reference for guitarists for decades. They show the fretboard layout, finger positions, and which strings to play or mute. A well-printed chart is reliable,…
Read article →How to Run a Casual Chess Tournament Using Just a Phone as the Clock
Chess time controls determine how long each player has to make their moves. A standard game might use a "10+5" format, meaning each player starts with ten minutes and gains five seconds after…
Read article →The Best Paid iOS Utility Apps Worth Downloading in 2026
A buying guide to three live, paid, no-tracking iOS utilities — Chord Finder, Chess Clock and BMI Mate — and why a focused paid app often beats a bloated free one.
Read article →Fischer Increment vs Bronstein Delay: Choosing a Chess Time Control
Bullet, blitz, rapid or classical — and how Fischer increment and Bronstein delay actually differ. A practical guide to setting up a digital chess clock.
Read article →On-Device, No Account: Why a Health Calculator Should Keep Your Data on Your Phone
BMI, BMR and waist-to-height are just formulas — there is no reason a calculator needs a cloud account. What on-device really means, and how to spot a private health app.
Read article →How to Read a Guitar Chord Diagram (and Finally Nail the F Chord)
Strings, frets, dots and finger numbers — decode any chord diagram, then tackle the barre chords (F and Bm) that trip up beginners.
Read article →How to Learn Guitar Chords in 2026 Without an App That Tracks You
Guitar chords are not difficult in principle. They are shapes. Each shape is a pattern of fingers on specific strings and frets. The difficulty comes from remembering which shape to use for which…
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