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App guide

How to actually use CostMe - the opportunity-cost calculator, the 48-hour vault, lifetime-savings tracking, and Amy the AI money coach. Short, practical walkthroughs so nothing in the app feels like a mystery.

45 articles

App guide·5 min readNew

Choosing your spending categories in CostMe

Tagging a buy feels like a tiny step, but it's the thing that turns a pile of numbers into a clear story of where your money goes.

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App guide·4 min read

Adding CostMe to Your Home Screen

The best money tool is the one you actually reach for. Installing CostMe on your home screen takes thirty seconds and puts the 30-year number one tap away, right next to the apps that tempt you.

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App guide·5 min read

Vault, Pause, or Log: Which Button to Tap

Three buttons, one moment of decision. Knowing which to tap and when is what turns a moment of wanting into useful data about yourself. The honest choice is always the right one.

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App guide·5 min read

Getting started with CostMe: your first five minutes

You downloaded CostMe. Now what? The whole app takes about five minutes to learn. Type a price, see the future number, choose what to do.

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App guide·6 min read

How the 48-hour vault works in CostMe

Most impulse buys don't survive two days. The vault parks a price for 48 hours so the urge can fade before you decide.

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App guide·5 min read

Reading your lifetime savings number in CostMe

CostMe shows one number that grows every time you say no to a buy. Here's how to read it without fooling yourself.

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App guide·5 min read

How CostMe calculates the 30-year value

Type $100 and CostMe says it could be worth about $1,745 in 30 years. That's not a guess. Here's exactly how the math works.

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App guide·6 min read

Your first week with CostMe: a 7-day plan

New apps get opened twice and forgotten. Here's a simple seven-day plan to make CostMe stick. No willpower required.

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App guide·5 min read

Setting a price threshold so CostMe stays useful

Running the math on a $3 snack is a fast way to hate any money app. A price threshold keeps CostMe useful instead of exhausting.

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App guide·5 min read

Building a resist streak in CostMe

Just like a workout streak, a resist streak makes you not want to break the chain. Here's how to build a long one.

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App guide·6 min read

Meet Amy, your AI money coach in CostMe

Sometimes the number isn't enough and the urge is loud. That's when you open Amy, the money coach built into CostMe, and talk it out.

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App guide·5 min read

Logging a purchase in CostMe without the guilt

Most money apps would never build an 'I bought it anyway' button. CostMe did. Because honest logging is what makes the whole thing work.

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App guide·5 min read

Setting up the CostMe home-screen widget

The best money tool is the one you actually see. The CostMe widget puts your progress right where your thumb already goes.

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App guide·6 min read

Using CostMe to audit recurring subscriptions

A $15 monthly subscription doesn't feel like a $34,000 decision. Over 30 years, that's roughly what it is. And CostMe makes it visible.

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App guide·6 min read

How CostMe spots your spending patterns

Most of us can't name our own spending triggers. CostMe watches what you log and gently shows you the pattern hiding underneath.

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App guide·5 min read

Customizing your profile and goals in CostMe

CostMe works out of the box, but it works better when it fits you. A few minutes in your profile makes the whole app feel like it's on your side.

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App guide·5 min read

When your CostMe streak breaks: how to bounce back

You have a great streak going, then life happens and it resets to zero. That sting is why streaks work. But it can also make you quit.

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App guide·6 min read

What each CostMe tier unlocks: free vs premium

Some of CostMe is free, and some sits behind a premium upgrade. Here's a plain look at what you get without paying and what the upgrade adds.

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App guide·6 min read

Your data and privacy in CostMe

A money app sees what you buy, skip, and crave. Here's how CostMe handles all that, and exactly what control you have over your own data.

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App guide·5 min read

Reviewing your vault items in CostMe

You parked a few wants in the vault to cool off. Two days later, reviewing them is where impulse turns into a clear, calm choice.

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App guide·6 min read

Setting your monthly savings goal in CostMe

"Save more" is a wish, not a plan. A monthly savings goal turns it into a target you can actually aim at and hit.

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App guide·5 min read

Using CostMe before you check out online

Online checkout is built to be fast. One tap before your brain catches up. The trick is slipping CostMe into that gap.

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App guide·5 min read

Setting up notifications in CostMe

The right moment for a money app isn't when you remember to open it. It's when an urge hits or a timer ends. That's what notifications are for.

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App guide·5 min read

The 48-hour vault follow-up: where the magic happens

Parking a price in the vault is only half the story. The other half is what happens two days later, when the timer ends and you decide with a clear head.

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App guide·5 min read

Using Amy as your daily coach in CostMe

The number is great, but sometimes a number isn't enough. When the urge is loud, you can open Amy and talk it through right then.

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App guide·4 min read

Editing your CostMe history

We all fat-finger a price now and then. You meant $40 and got $400. CostMe lets you fix your history so your numbers stay honest.

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App guide·5 min read

Understanding the CostMe home screen

A price box, a 30-year number, three buttons, and your savings. Learn those five things and you know the whole app. Here's the plain tour.

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App guide·5 min read

Setting up your first goal in CostMe

Without a goal, resisting feels like missing out. With one, the same skip feels like progress. Here's how to set your first goal in about a minute.

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App guide·5 min read

Planning a big purchase with Amy

A new laptop, a trip, a couch. Some buys deserve more than one tap. Here's how to think a big purchase through with Amy before you pay.

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App guide·5 min read

What happens when you log a purchase

No red warning, no guilt trip. Here's exactly what CostMe does behind the "already purchased" button, and why an honest log matters.

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App guide·5 min read

Sorting your CostMe history

A list of choices tells you more once it's in order. Here's how to sort your CostMe history to see what matters.

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App guide·5 min read

Reviewing a resisted item later

You said no last week. But what was it, and do you even miss it now? Reviewing your resisted buys is where the lesson lands.

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App guide·5 min read

How cooldowns expire in CostMe

When the vault timer ends, the item doesn't buy itself and it doesn't vanish. It just waits for you to decide with a clear head.

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App guide·5 min read

Adding a purchase from the CostMe widget

Impulse buys happen in seconds. CostMe's widget puts the first step one tap from your wallpaper. Here's how to use it.

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App guide·8 min read

How to actually use an opportunity cost calculator (with examples)

A calculator is only useful if you know how to read the answer. Here's how to interpret an opportunity cost projection in five common spending scenarios.

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App guide·5 min read

Understanding your resist rate in CostMe

Your savings total tells you how much you kept. Your resist rate tells you how often you win. Here's how to read it kindly.

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App guide·5 min read

Pausing CostMe reminders temporarily

On a holiday or a hard week, the last thing you want is a nudge. Here's how to pause CostMe's reminders without quitting the habit.

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App guide·5 min read

Asking Amy about a specific purchase

When a purchase has you stuck between treat and impulse, ask Amy. Here's how to talk one specific buy through.

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App guide·5 min read

How CostMe counts a resist

Tap resist and a small win is recorded. But what exactly counts, and when does CostMe lock it in? Here's the answer.

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App guide·5 min read

Reading the vault countdown timer in CostMe

Park a buy and a clock starts. That little countdown is doing more work than it looks. Here's how to read it.

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App guide·5 min read

Pinning your top goal in CostMe

When the thing you're saving for sits front and center, every urge has to face it. Here's how to pin your top goal in CostMe.

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App guide·5 min read

Searching your CostMe history

Your history grows into a real record of every choice. Here's how to find one entry in the pile without endless scrolling.

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App guide·5 min read

How CostMe handles recurring vs one-time costs

A one-time buy and a monthly charge look the same on the price tag. Over years they're nothing alike. Here's how CostMe tells them apart.

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App guide·6 min read

Changing your return rate assumption in CostMe

When CostMe shows what a price could become, it assumes a yearly return. Here's what that number is and when to dial it down.

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App guide·5 min read

Setting your default currency in CostMe

A price only means something in the right currency. Here's how to set CostMe's default so every number speaks your money.

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