Open Scanner vs Klerk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Open Scanner
Transform your device into a powerful document scanner. Quickly capture papers, automatically recognize text, and organize your scans with AI-powered features. Seamlessly share and edit your documents in various formats.
- Automatic text recognition (OCR)
- Automatic document naming
- Location-based tagging
- Add saved signatures
- Organize and re-order pages
- iCloud sync
- Annotate and edit scans
- Export as PDF
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Open Scanner is a fast and simple-to-use paper-scanning app with AI features to speed up your scanning workflow: - Automatic text recognition to build page transcript - Automatic document naming - Scans are tagged by your current location - Add signatures saved on your other devices - Native Vision Pro support - Keep your scanned documents in the Open Scanner library - Organize and re-order scanned document pages - iCloud syncs your library to all your devices - Annotate and edit your scans - Use Apple Pencil to mark up scans on iPad - Easy sharing and export of scanned documents as PDF - 100% native iOS app, with no third-party accounts necessary
Klerk
Manage events from registration to check-in, communication, and invoicing. Streamline your entire event workflow with tools for organizers of driving experiences and adventure activities.
- Event management dashboard
- Attendee registration and check-in
- QR code scanning for check-ins
- Invoicing and agreement creation
- Thread-based messaging
- Real-time push notifications
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Klerk is the essential event management companion for Kerbz Adventures organizers and hosts. Streamline your entire event workflow from registrations to check-ins, communications to invoicing. KEY FEATURES Event Management • View and manage all your upcoming and past events • Access detailed registration lists with powerful search and filtering • Check in attendees instantly with QR code scanning • Manage event schedules and coordinate timing • Broadcast announcements to all participants Registration Tools • View comprehensive registrant details • Assign instructors and manage vehicle classifications • Track form completions and agreement signatures • Assign car numbers for track events • Communicate directly with individual registrants Invoicing & Agreements • Create and send professional invoices • Customize with line items, taxes, and discounts • Send agreements and contracts from templates • Track payment and signing status Messaging & Notifications • Thread-based messaging with participants • Real-time push notifications for new registrations, messages, and updates • Stay informed with a centralized notification hub Built for event professionals who run driving experiences, track days, car meets, and adventure activities. Klerk by Kerbz puts the power of professional event management in your pocket. Download Klerk and take control of your events today.
Screenshots
Verdict
The clearest difference is ratings volume: Open Scanner at 192 against Klerk's 1. Klerk's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Klerk holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Open Scanner has 192 ratings behind it against 1, so its average is the more settled of the two.
Open Scanner ships an update every 10 days, Klerk every 6 days. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.
| Parameter | Open Scanner | Klerk |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (192 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 192 — better | 1 |
| Update frequency | Every 10 days | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 1 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Pencil Research | Kerbz Adventures, Inc. |
Customer experience
Open Scanner
Klerk
In-app purchases
Open Scanner
No in-app purchases
Klerk
No in-app purchases









