eLK Signature vs RIS LogBook
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
eLK Signature
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eLK Potpis lets you digitally sign PDF documents using your Montenegrin electronic ID card (eLK) via NFC β directly from your iPhone. DIGITAL SIGNING Add a PDF, hold your ID card to the phone, enter your PIN and get a signed document with a qualified electronic signature. Supports both old and new Montenegrin ID cards. E-SERVICES - Activate electronic certificates on your ID card - Check card status and read personal data - Change PIN or unblock with PUK MRZ SCANNER Scan the back of your ID card with the camera for automatic data reading. SIGNATURE POSITION Choose where you want the signature β select a corner, first or last page, or tap exactly where you want it. BATCH SIGNING Sign multiple documents at once with a single card tap. SECURITY & PRIVACY - App lock with Face ID, Touch ID or device passcode. - Encrypted secure channels for card communication. - No account, no registration, no tracking. SUPPORTED CARDS - Old Montenegrin ID cards - New Montenegrin ID cards Requires iPhone 7 or later with NFC support. Developed by Digital Control d.o.o., Podgorica, Montenegro.
RIS LogBook
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RIS - Fisheries Information System is the mobile companion for commercial fishers and skippers who need fast, reliable trip logbooks on deck and in port. SIGN IN IN SECONDS β’ Tap your official FIS NFC ID card to authenticate β’ Email sign-in when NFC is unavailable β’ Secure session for compliance-critical work MANAGE TRIP LOGBOOKS β’ View open and completed logbooks for your vessel β’ Create new trip logs and record catch entries β’ Complete logbooks when a trip ends β’ Clear status badges: in operation vs complete WORKS AT SEA β’ Offline mode keeps your dashboard and logbooks available without signal β’ Changes queue automatically and sync when you are back online β’ Visible sync status so you always know what is pending YOUR FLEET IN ONE PLACE β’ Switch between vessels linked to your account β’ View permits and vessel details β’ Reference data for ports, gears, and species DESIGNED FOR THE BRIDGE β’ High-contrast typography readable in daylight and at night β’ Large tap targets for one-handed, gloved use β’ Light and dark appearance FIS is built for fisheries compliance workflowsβnot a consumer fishing game. Professional, clear, and dependable when conditions are not. Support: support@ribari.me
Screenshots
Verdict
The clearest difference is update cadence: eLK Signature at every 4 days against RIS LogBook's monthly. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
eLK Signature ships an update every 4 days, RIS LogBook monthly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | eLK Signature | RIS LogBook |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days β better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 16.0 | 15.0 β better |
| Further details β not scored | ||
| Size | 16 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Digital Control | Studio Lasso |
In-app purchases
eLK Signature
No in-app purchases
RIS LogBook
No in-app purchases








