Expense tracking without creating an account

You download an expense tracker. Before you can log a single coffee, it wants your email address, a password, maybe your name. Some ask you to verify your email. Others nudge you toward “Sign in with Google.”

Why? You just want to write down that you spent four dollars.

What accounts are actually for

When an app asks you to create an account, it’s usually because the app needs a server. The server stores your data, syncs it across devices, and identifies you as a user.

That’s a legitimate architecture. But it comes with baggage:

• Server-side storage — your expenses live on someone else’s computer
• Cross-device sync — useful if you switch between phone and tablet, but most people track expenses on one device
• User identification — the app knows who you are, which enables analytics and marketing
• Email collection — opens the door to onboarding sequences, product updates, and re-engagement campaigns

None of this is evil. But none of it is necessary for the core job: writing down what you spent.

What you give up without an account

Fairness first — going accountless does mean giving up a few things:

Cloud sync. Your data lives on one device. If you want the same expenses on your iPad and iPhone, you won’t get automatic sync. For a personal expense tracker on your phone, this is usually a non-issue. Most people track from one device.

Collaborative features. Shared expense tracking between partners or roommates typically needs accounts to identify who’s who. If you track expenses solo, this doesn’t apply.

Password recovery. No account means no “forgot my password” flow. But it also means no password to forget. Your data is on your phone, protected by the same Face ID or passcode you already use.

These are real trade-offs. They’re just not trade-offs that matter for most personal expense tracking.

How accountless apps work

The idea is straightforward: your phone is the server.

Instead of sending your expenses to a remote database, an accountless app stores everything locally on your device. On iOS, this usually means Core Data or SwiftData — Apple’s own frameworks for on-device storage.

This approach is called local-first. Your phone holds the database, runs the logic, and keeps everything available — even without internet. There’s no server to authenticate against, so there’s no account to create.

It also means the app works everywhere. Airplane mode, underground, abroad with no data plan. The app doesn’t care because it’s not trying to reach a server.

What Gastos does

Gastos is a private, local-first expense tracker for iPhone. Here’s the full onboarding experience:

1. Download from the App Store
2. Open the app
3. Start tracking

That’s it. No email. No password. No profile. No terms to agree to beyond standard App Store terms. No “create your first workspace.” No onboarding quiz about your financial goals.

Your expenses are stored on your iPhone using SwiftData. Receipt photos stay in your app’s local storage. AI features — receipt scanning and voice input — run on-device through Apple frameworks like Vision and Speech. Nothing is sent to an external server.

You can export everything as JSON or CSV at any time. No account doesn’t mean locked in. It means your data is yours — on your device, under your control, portable whenever you want it.

Why this matters

Every sign-up screen is a moment where people decide “maybe later” — and later never comes. The best expense tracking habit is the one you actually start.

Removing the account wall removes the single biggest piece of friction between downloading an app and using it. You spent money. You open the app. You log it. Done.

No account also means no data on a server you don’t control. No breach notifications. No “we’ve updated our privacy policy” emails. Your spending stays between you and your phone.

---

Gastos is a local-first expense tracker for iPhone. Log expenses by text, receipt photo, or voice. On-device AI, Travel Mode, and everything stays on your phone.

Download on the App Store