ScanOnce vs Fields
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ScanOnce
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ScanOnce helps you capture, organize, and understand documents quickly. β’ Fast document scanning with automatic page capture β’ On-device OCR text extraction β’ Smart document insights (sender, totals, dates, invoice details) β’ Ask questions about your scanned document β’ Export and share as PDF β’ Privacy-first workflow with local processing Upgrade once for Lifetime Access to unlimited scanning.
Fields
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Fields is a private, encrypted vault for the personal details you cannot afford to lose β or leak. Passport and ID numbers. Bank and card details. Wi-Fi passwords, software keys, recovery phrases, insurance info, and the documents that go with them. Fields keeps it all in one beautiful, secure place β protected by your device's own Face ID and passcode, encrypted with AES-256, and stored entirely on your device and iCloud (optional) No accounts. No tracking. No cloud servers reading your data. Just your information, locked down and always at hand. Serious, On-Device Encryption * AES-256 Protection: Every field is encrypted with AES-256 before it is ever written to disk. * Secure Storage: Your master key is generated on-device and stored in the iOS Keychain β it never leaves your phone. * Biometric Authentication: Unlock seamlessly with Face ID, Touch ID, or your device passcode. * Privacy Guard: Auto-locks when backgrounded, hides data from the App Switcher, and locks instantly on screenshots. Organise the Way You Think * Flexible Entries: Save anything as a simple Name + Value. * Sub-fields: Group related details together under a single entry. * Secure Attachments: Attach photos, PDFs, and documents β fully encrypted alongside your data. * Effortless Workflow: Tap to reveal, one-tap copy, templates, search, sort, and drag-to-reorder. * Universal App: Native on iPhone, iPad, and Mac. Private, End-to-End Encrypted iCloud Sync * Zero-Knowledge Sync: Optional synchronization via a Sync Passphrase only you know. Not even iCloud or us can read your data. Backup, Export and Share β On Your Terms * Total Control: Encrypted export through the native share sheet, import to restore or merge, and share a single field or document safely when needed. Fields Pro Fields is free to use. Upgrade to Pro with a one-time purchase (no subscription) to unlock: * Unlimited fields (Free tier is limited to 10) * Advanced sub-fields and unlimited attachments * End-to-end encrypted iCloud Sync Buy once, keep forever.
Screenshots
Verdict
The clearest difference is in-app purchases: ScanOnce at none against Fields's 1. Fields's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Fields sells 1 one-off in-app purchase. ScanOnce asks for nothing beyond the download.
ScanOnce ships an update every 2 months, Fields every 5 weeks. The most recent releases landed on May 14, 2026 and September 18, 2026 respectively.
| Parameter | ScanOnce | Fields |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 5 weeks β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 17.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 3 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Johanna Hoppe | Gaurav Rangnekar |
In-app purchases
ScanOnce
No in-app purchases
Fields
- Fields Pro Lifetime$4.99





