Prism Notes vs GuardianScan Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prism Notes
Capture thoughts and links quickly with a familiar texting interface. Organize ideas with AI-suggested tags and develop them across linked threads. Review notes to keep what matters and easily search by keyword or meaning.
- Texting-like note capture
- AI-suggested tags
- Threaded idea development
- Review mode for notes
- Sync across devices
- Natural language reminders
- Lock screen capture
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Prism is the private place for quick thoughts and links. It feels like texting, rather than writing in a document. Capture easily, organize with tags, develop ideas across threads, review to keep only what matters. Free to try! Features: - Private and on-device - Opt in to iCloud sync between iPhone and Mac - Voice transcription and voice memos - Lock screen widgets for text and voice capture - AI-suggested tags to make organizing easy or automatic AI tagging (requires apple intelligence) - Review mode to keep notes alive or let them go - Threads to evolve a thought and link them together - Search by keyword - Natural language reminders - just say "remind me tomorrow at 2pm" (requires apple intelligence)
GuardianScan Pro
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GuardianScan Pro – Private Document & PDF Scanner GuardianScan Pro is a private document scanner built for people who value security. Scan documents, receipts, IDs, passports, and contracts into clean professional PDF files — without creating an account or uploading anything to the cloud. Everything stays 100% on your device. GuardianScan Pro is designed for professionals who handle sensitive information — including lawyers, consultants, freelancers, accountants, business owners, and anyone managing confidential paperwork. Privacy First No cloud. No sign-in. 100% on-device processing. GuardianScan Pro never requires an account and never uploads your documents anywhere. Your files stay private and secure. Features • Private document & PDF scanning with intelligent edge detection • Smart document extraction for receipts, invoices, contracts, and forms • On-device OCR with support for 18 languages • Scan IDs and passports with optimized framing • Sign contracts and forms directly on your device • Multi-page PDF creation and export • Automatic document organization into folders • Receipt scanning for expense tracking and accounting • Fast and simple scan → edit → export workflow Smart Organization Automatically organize your documents into folders such as: • Receipts • Contracts • IDs • Notes • Forms Quickly find and manage important files when you need them. Built for Professionals GuardianScan Pro is ideal for: • Lawyers and legal professionals • Consultants and freelancers • Small business owners • Accountants and finance professionals • Anyone handling confidential documents OCR supports 18 languages. English Private Document Scanner. 100% On-Device OCR. Français Scanner de documents privé. OCR 100 % sur l’appareil. Deutsch Privater Dokumentenscanner. 100 % lokal auf Ihrem Gerät. Español Escáner privado con OCR 100 % en el dispositivo. Türkçe %100 cihaz içi OCR ile özel belge tarayıcı. Stable release Leave Feedback: support@newtonapps.org Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://newtonapps.org/privacy
Screenshots
Verdict
The clearest difference is device support: Prism Notes at 4 against GuardianScan Pro's —. On price, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Prism Notes sells 2 one-off in-app purchases and GuardianScan Pro sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Prism Notes | GuardianScan Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (40 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 40 — better | — |
| Update frequency | Every 3 days | — |
| Ads | No | — |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac, Apple Watch — better | — |
| Requires iOS | 18.6 | 17.6 — better |
| Further details — not scored | ||
| Size | 24 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tommy Joseph | Cagatay Gokgoz |
In-app purchases
Prism Notes
- Lifetime Unlock$6.99
- Lifetime Unlock$12.99
GuardianScan Pro
- GuardianScan Pro Monthly$3.991 Month
- English (U.S.)7 Days trial$29.991 Year
- GuardianScan Pro Lifetime$79.99









