Buyer’s guides

Choosing an app for your paperwork

We make Paperlock, and we say so on every page. These guides compare the real options on the things that matter: getting documents in, finding them later, answering questions, checking sources, tracking dates, getting your data out, and what leaves your phone.

7 free document scanner apps for iPhone, and what “free” actually costs you in eachWhich free document scanner apps are actually free: no account, no watermark, no subscription. Seven options compared, plus a five-minute test for any free tier. Apps that answer questions about your receipts and bills: what ‘ask your documents’ actually means, and how to test itWhat it takes for an app to answer ‘how much did I spend at that store’ from your own receipts: reading, structured records, retrieval, sources. How to test any app in fifteen minutes, and where Paperlock and the alternatives stand. Document organizers with expiry reminders: what to look for, and how the options compareHow expiry reminders differ across calendars, wallet apps, dedicated trackers and reading vaults: who types the date, how far ahead the alert fires, whether the document is attached, and what happens when you correct a date. Dropbox Vault was discontinued: 6 alternatives for your important documentsDropbox Vault was retired in March 2025. What it did, what happened to your vault, and six alternatives compared on encryption, emergency access and desktop use. How to lock files on iPhone: 6 ways to password-protect and hide documents, comparediPhone has no lock button for a file in Files. Here's what it can lock, with Apple's exact steps: notes, apps, the Hidden album, PDFs, plus password managers and vaults. Password manager vs document vault: should your passport scan live in 1Password?Can you store your passport in 1Password or Bitwarden? Yes, and it's safe. Here's what password managers do well with documents, where they fall short, and when to use both. The best app for medical records on iPhone: three jobs, three kinds of toolKeeping family medical records on iPhone takes three tools: Apple Health and patient portals for provider records, a vault for paper, and a way to share. The best app to store your passport and ID on iPhone: official digital IDs vs. a private copy, comparedApple Wallet IDs, Photos, a locked note, Files, a password manager, email or a vault: where a digital copy of your passport and ID belongs, and what a copy can't do. The best emergency binder app: what a digital emergency binder needs to do, and how the options compareA digital emergency binder must be fast to grab and reachable by family if you can't. Paper, shared folders, password managers, Apple, Google and Paperlock compared. The best private document vault app for iPhone: 7 ways to keep IDs and papers private, comparedLocked notes, Files, the Hidden album, password managers, encrypted cloud drives, scanner apps and Paperlock compared: who can read your documents, and how you find them. The best receipt organizer app for iPhone in 2026: Photos, scanners, expense trackers and Paperlock, compared on what a receipt is forA receipt organizer is judged months later, at ‘how much did I spend there’. Photos, scanner apps, expense trackers and Paperlock compared on that, with a pick for each case. The best receipt scanner app for iPhone in 2026: for returns, for taxes, for rewards, and for finding the receipt againThe best receipt scanner app depends on why you keep receipts. Free built-ins, scanner apps, rewards apps, expense trackers and Paperlock compared for returns, taxes, small business and personal use. The best scanner app for iPhone in 2026: 9 options compared by what you need after the scanEvery iPhone scanner app makes a clean page. They differ after the scan: sending a PDF, batch scanning, cloud workflows, privacy, and finding it years later. The best warranty tracker app: how to keep warranties and receipts ready for the day something breaksA warranty claim needs the receipt, the warranty terms, the serial number and a warning before cover ends. Spreadsheets, store accounts, Photos, tracker apps and Paperlock compared. The best way to organize documents on iPhone in 2026: built-in apps, scanners, cloud drives and Paperlock, compared on what mattersA comparison of the real options for organizing documents and receipts on iPhone — Apple Notes and Files, scanner apps, cloud drives, and Paperlock — on import, retrieval, answers, sources, dates, export and privacy. We make Paperlock and say so.