Comparison

Money Vault vs Fast Budget: AI Tracking or Quick Manual Entry?

Updated April 10, 2026 · 7 min read

Fast Budget has a loyal following for a reason. It's fast, it's offline, and it costs three bucks once. No subscriptions, no cloud sync, no gimmicks. Money Vault takes a different approach: voice commands, receipt scanning, and an AI assistant that actually understands what you're saying. Both apps want to make expense tracking painless. They just disagree on how to get there.

TL;DR

In this comparison

  1. Quick Overview
  2. Input Speed
  3. Feature Depth
  4. Offline and Privacy
  5. Feature Comparison
  6. Pricing Breakdown
  7. Final Verdict
$2.99
Fast Budget's one-time price, making it one of the cheapest paid expense trackers on the App Store
Source: App Store listing, April 2026

Quick Overview

Fast Budget does exactly what its name suggests. You open the app, tap a category, punch in a number, and you're done. The whole thing takes maybe 5 seconds. It works offline, stores everything on your device, and the interface is stripped down to the basics. No account creation. No cloud sync. No AI anything. You pay $2.99 once and that's it forever.

There's a certain beauty in that simplicity. Fast Budget doesn't try to be smart. It just tries to be quick. And for a lot of people, quick is enough.

Money Vault adds layers on top of that basic idea. Instead of tapping through a form, you can say "coffee 4.50 at Starbucks" and the NLP engine logs it automatically. Or you can point your camera at a receipt and let OCR pull the data. There's also an AI chat for asking questions like "how much did I spend on food this month?" It's more complex, but the goal is the same: get expenses tracked with minimum friction.

Input Speed

Fast Budget's manual entry is genuinely fast. The app opens to a number pad with category buttons right there. Two taps and a number, done. No loading screens, no animations getting in the way. It's one of the quickest manual entry experiences you'll find.

But here's the thing. Even a 5-second manual entry adds up. If you log 8 transactions a day, that's 40 seconds of tapping. Over a month, that's 20 minutes of just data entry. Voice input in Money Vault cuts each transaction to about 3 seconds. And receipt scanning handles multiple items at once, which is something no manual entry app can match.

The real difference shows up at the grocery store. Fast Budget means typing in each item or just the total. Money Vault means scanning one receipt and getting every line item categorized automatically.

Money Vault (voice)
~3 sec
Fast Budget (manual)
~5 sec
Money Vault (scan)
~8 sec
Money Vault (manual)
~15 sec
Average time to log one expense. Editorial workflow estimate based on published feature flows and required interaction steps. Directional, not a lab measurement.

Feature Depth

Fast Budget covers the basics well. You get categories, budget limits, spending summaries, and a calendar view. There are recurring transactions and basic charts. It also supports multiple accounts (cash, card, savings) and simple transfers between them. For a $2.99 app, it punches above its weight.

What it doesn't have: receipt scanning, voice input, AI-powered insights, multi-currency with live exchange rates, or any kind of smart categorization. You pick the category manually every time.

Money Vault fills those gaps. The AI auto-categorizes most transactions based on what you say or what the receipt shows. It supports 50+ currencies with conversion. The AI chat can answer spending questions in natural language. And receipt scanning pulls merchant names, dates, totals, and individual items.

That said, Fast Budget's simplicity is also a feature. There's no learning curve. No settings to configure. No AI to train or correct. You open it, you type a number, you move on.

Voice, Scan, or Type

Three ways to log expenses. Pick whichever is fastest in the moment.

Download on the App Store

Offline and Privacy

Both apps work fully offline, which is a win for privacy. Neither requires an account to use core features. Your financial data stays on your device.

Fast Budget has zero cloud components. There's no sync, no backup to a server, nothing. This is great for privacy but means if you lose your phone, your data is gone unless you exported it manually.

Money Vault also stores data locally by default. Receipt scanning uses Apple's on-device Vision framework, so your receipt photos don't get uploaded anywhere. The AI chat feature does use a server for processing queries, but your transaction data itself stays on the phone.

Pro tip

Both apps support data export. Set a monthly reminder to export your data as a backup, especially with Fast Budget since there's no cloud sync at all.

Feature Comparison

Feature Money Vault Fast Budget
Voice Input ✓ NLP engine
Receipt Scanning ✓ OCR
AI Chat Assistant
Auto-Categorization ✓ AI-powered ✕ Manual only
Multi-Currency (50+) ✓ Limited
Budget Limits
Recurring Transactions
Offline Mode ✓ Full ✓ Full
On-Device Privacy
Multiple Accounts
Platform iOS iOS, Android
Price Free / Premium $2.99 one-time

Pricing Breakdown

Fast Budget costs $2.99 once. No subscription, no in-app purchases after that. You pay and you're done. Over a year, that works out to about $0.25 per month. Over two years, $0.12 per month. It's one of the best deals in the expense tracking category, honestly.

Money Vault is free for voice input, receipt scanning, manual entry, and basic statistics. The premium tier unlocks AI chat, advanced analytics, and extra features. If you only need the input methods, you can use Money Vault without ever paying.

The pricing comparison is a bit apples-to-oranges. Fast Budget gives you everything for $2.99 but "everything" is manual entry and basic charts. Money Vault gives you more features for free but charges for the advanced stuff. If you'd never use voice or scanning, Fast Budget is the cheaper choice. If you want AI features, Money Vault's free tier already includes more than Fast Budget offers.

Final Verdict

Fast Budget is the Honda Civic of expense trackers. Reliable, affordable, gets the job done. Money Vault is more like a Tesla. More features, more tech under the hood, and a different experience entirely. Both get you from A to B. The question is how you want to get there.

Try Money Vault Free

Voice tracking, receipt scanning, AI chat, 50+ currencies. No account required.

Download on the App Store