Most budgeting apps quietly assume you live your whole financial life in one currency. That assumption falls apart the moment you cross a border. If you are a traveler paying in yen this week and baht the next, a digital nomad invoicing clients in dollars while your rent is in euros, or an expat splitting life between two countries, a single-currency app forces you into a losing game of mental math. You either eyeball conversions at the register and record rounded guesses that drift over time, or you keep a spreadsheet of exchange rates that you abandon by day three.

The real problem is that your money lives in many denominations, but your budget only makes sense in one. A good multi-currency expense tracker fixes that: you log a purchase in whatever you actually paid, and the app converts it to your home currency at an accurate rate, so every transaction rolls into one honest total. Below are the seven apps worth considering in 2026, what each does well, and where each falls short.

Quick comparison table

App	Best for	Price	Currencies	Auto-convert?
Lumi	Fast, private tracking across currencies	Free plan; Premium $4.99/mo	150+	Yes, real-time
TravelSpend	Trip-based travel budgeting	Free; Premium around $5.99/mo	150+	Yes
Trail Wallet	Simple daily travel budgets	Free for first 25 items; one-time unlock	Many	Yes
Splitwise	Splitting costs with a group	Free; Pro $4.99/mo	Many	Pro only
Wallet by BudgetBakers	All-in-one personal finance	Free; paid Premium	150+	Yes
Spendee	Visual, wallet-based tracking	Free; Plus $1.99/mo, Premium $5.99/mo	160+	Yes
Finny	AI-driven currency detection	Free; Pro $1.99/mo	150+	Yes

Now let us look at each one in detail.

Lumi is an iOS app built for people who deal with more than one currency as a way of life, not just on a two-week vacation. It supports 150+ currencies with real-time automatic conversion, so you record a purchase in the local amount you paid and instantly see it in your home currency at the current rate. There is no lookup, no spreadsheet, and no stale math.

How it handles currencies: every transaction stays in the currency you paid, and totals convert to your chosen home currency automatically. That keeps your records matching your card statements while still giving you one unified number to budget against.

Logging speed is the differentiator. Apple Pay purchases import automatically, a phone Back Tap logs a cash purchase in about two seconds, and AI receipt scanning reads a foreign receipt from a single photo — in any language, including Japanese, Arabic, or Cyrillic. You can also add expenses by voice. There is no bank login required, so your data stays on your device and the app works the same on hotel Wi-Fi or a foreign SIM. An AI forecast warns you before month-end if you are drifting over budget.

Pricing: a free plan, with Premium at $4.99/month unlocking full multi-currency and unlimited AI features.

Pros: real-time conversion across 150+ currencies, extremely fast logging, receipt scanning in any language, no bank credentials shared, works offline.

Cons: iOS only, so Android users are out for now; there is no bank-sync option if you specifically want automatic import from linked accounts.

Best for: travelers, nomads, and expats who want tracking fast enough to actually keep doing it, without handing over bank access.

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TravelSpend — Built around trips

TravelSpend is one of the most popular dedicated travel budgeting apps, and for good reason: it is organized around trips rather than months. You create a trip, set a total or daily budget, and log expenses against it in 150+ currencies with automatic conversion to your home currency.

How it handles currencies: add an expense in any currency and it converts to your home currency automatically. It works offline, which matters when you land somewhere without data.

Pricing: the free tier is genuinely usable for a single trip at a time, though it shows ads and lacks data export. Premium — reported around $5.99/month, with regional variation — unlocks multiple simultaneous trips and removes ads.

Pros: strong free tier, offline support, clean trip-based structure, group sharing for shared travel costs.

Cons: the trip model is less suited to expats or nomads who want continuous, month-over-month tracking rather than discrete trips; data export is gated.

Best for: vacation and multi-stop travelers who think in terms of individual trips.

Trail Wallet — Simple daily budgets

Trail Wallet is an iOS app made by long-term travelers, and it shows in the design philosophy: pick a daily budget, log spending fast, and glance at whether you are under or over for the day. It handles multiple currencies and converts them for you.

Pricing: you can try it free for the first 25 items, then a one-time in-app purchase unlocks unlimited entries. The exact price has changed over the years and has been reported anywhere from roughly $4 to $9, so check the current App Store listing. Notably, there is no recurring subscription.

Pros: friendly and simple, one-time payment rather than a subscription, designed by people who actually travel long-term.

Cons: iOS only; the feature set is deliberately basic, with no AI, no receipt scanning, and limited reporting; the 25-item free cap is small.

Best for: budget backpackers and long-term travelers who want a no-fuss daily spend tracker and dislike subscriptions.

Splitwise — When you are splitting with others

Splitwise is not primarily an expense tracker; it is a cost-splitting tool. But for group travel — a shared apartment, a road trip, a family abroad — it is the default choice for keeping track of who owes whom, and it does handle currencies.

How it handles currencies: on the free tier you can enter expenses in different currencies, but automatic conversion at current exchange rates is a Pro feature. Pro converts all balances to whichever currency you choose using current rates.

Pricing: free with a daily cap on the number of expenses you can add; Pro is $4.99/month (annual plans generally run around $29.99 to $39.99 depending on region and promotion) and removes the limit while adding receipt scanning and charts.

Pros: the best tool for shared expenses, cross-platform, widely used so everyone in your group probably already has it.

Cons: solo budgeting is not its strength; real-time currency conversion is locked behind Pro; the free tier now limits how many expenses you can log per day.

Best for: groups splitting costs across a trip who need clarity on balances more than personal budgeting.

Wallet by BudgetBakers — The all-in-one

Wallet by BudgetBakers is a full personal finance manager rather than a travel-specific app. It offers budgets, categories, reports, and optional bank synchronization, with solid multi-currency support covering 150+ currencies and real-time exchange rates.

How it handles currencies: the app calculates conversions at real-time rates, which makes it a reasonable fit for expats and multi-currency households. One quirk to know: you generally create a separate account within the app for each currency rather than mixing currencies freely in a single account.

Pricing: there is a free tier, with paid Premium available as monthly, yearly, or one-time lifetime plans. Prices vary by region and are shown in-app, so check current rates before committing.

Pros: comprehensive feature set, optional bank sync, 150+ currencies with real-time rates, lifetime purchase option.

Cons: heavier and more complex than a travel-first app; the separate-account-per-currency model is clunkier than apps that convert everything into one running total; bank sync means sharing credentials if you use that feature.

Best for: people who want one robust app for their entire financial life, not just travel, and are comfortable with a steeper learning curve.

Spendee — Visual and wallet-based

Spendee is known for its clean, colorful interface and a wallet-based approach to organizing money. You create separate wallets — for a trip, a currency, or shared spending — and the app supports over 160 currencies with automatic conversion into your primary currency for the overall picture.

How it handles currencies: each wallet holds transactions in its own currency, and a global overview converts totals into your main currency. This is tidy if you like keeping trips or countries in separate buckets.

Pricing: the free Basic plan limits you to one wallet and one budget. Plus is $1.99/month (or $14.99/year) and adds unlimited cash wallets and budgets. Premium is $5.99/month (or $35.99/year) and adds bank synchronization and more sharing.

Pros: attractive and easy to read, wallet model suits per-country organization, affordable Plus tier, 160+ currencies.

Cons: the free tier is quite restrictive at one wallet; the most useful travel features and bank sync sit behind paid tiers; the wallet model means less of a single unified total than some prefer.

Best for: visually minded users who like organizing spending into distinct wallets per trip or currency.

Finny — AI detects the currency for you

Finny takes a distinctive approach to multi-currency input. Instead of asking you to pick a currency or wallet before logging, it uses AI to detect the currency from what you type, say, or scan. Enter "lunch 1500 yen" or dictate "taxi 350 baht" and it extracts the amount in the correct currency automatically, then converts totals to yours. It supports 150+ currencies and works offline.

How it handles currencies: each transaction stays in its original currency and totals auto-convert to your home currency — and crucially, multi-currency is included in the free tier rather than gated behind a paid plan.

Pricing: full tracking is free, including 150+ currencies, custom categories, and charts. Finny Pro is $1.99/month (or $17.99/year) and unlocks the AI-powered features like receipt scanning and tap-to-log input.

Pros: clever AI currency detection, multi-currency free rather than gated, receipt scanning, offline support, no bank credentials required.

Cons: newer and less established than some competitors; the most convenient AI input methods require Pro; smaller ecosystem and community.

Best for: people who want AI to remove the friction of choosing currencies and prefer input by typing, voice, or receipt.

How to choose

Start with your situation rather than a feature checklist:

You take discrete trips. TravelSpend or Trail Wallet, both built around trip budgets, will feel natural.
You split costs with a group. Splitwise is the obvious pick, ideally with Pro for real-time conversion.
You live across currencies continuously — as a nomad or expat — and want fast, private logging that rolls everything into one home-currency total: Lumi or Finny, both of which lead with AI input and keep multi-currency front and center. Lumi adds Back Tap and Apple Pay auto-import for near-instant logging.
You want one app for your entire financial life, travel included: Wallet by BudgetBakers or Spendee, if you do not mind more setup.

Then weigh three things: how many currencies the app truly supports with real-time conversion, whether logging is fast enough that you will keep doing it, and whether you are comfortable connecting a bank account. If privacy matters, favor apps that skip bank login. For the mechanics of doing this well, our guide on how to track multiple currencies walks through home currencies, exchange rates, and hidden fees, and how to track spending that actually sticks covers building a habit that survives travel chaos. For the underlying budgeting frameworks, see how to budget.

FAQ

How does currency conversion actually work in these apps?

You log a purchase in the local currency you paid, and the app applies an exchange rate to convert it into your chosen home currency. The best trackers use real-time market rates on the day of the transaction, since rates move daily and a stale rate drifts over a long trip. Each transaction stays recorded in its original currency, while your totals and budgets are shown converted, so you always see your real spending in one currency you understand.

Which exchange rate do multi-currency trackers use?

Quality apps use the current mid-market rate for the day of each purchase, updated automatically. That is more accurate than converting everything periodically or entering rounded guesses yourself. Keep in mind the rate your app shows is the market rate — your card may add a foreign transaction fee of roughly 1 to 3% on top, and you should always decline dynamic currency conversion at terminals, which uses a worse rate than paying in the local currency.

Do I need to connect my bank to track spending across currencies?

No. Several apps here, including Lumi and Finny, work entirely without bank login, using receipt scanning, voice, tap-to-log, or manual entry instead. That keeps your banking credentials off the app and your data on your device, which many travelers and expats prefer. Bank sync is optional in apps like Wallet by BudgetBakers and Spendee if you specifically want automatic import, but it is never required to track multiple currencies.

Last updated: July 2026. Prices verified against publicly listed sources and may vary by region and promotion. Always check the current App Store or in-app pricing before subscribing.