Comparison

Electronic Invoice Crypto vs Duty shift

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Electronic Invoice Crypto

Features
Read full description

Cheap, practice, all the power of invoicing under your control. This application helps you manage the invoicing of your business very easily. You can issue invoices in HTML format. You can manage invoices, customers, suppliers and items. You can create, send or save an invoice in a few minutes. Instructions: Use search bar to find countries, currencies or other items in long lists. Menu SCREEN: 1.- Create or select invoice, customer, supplier or item. 2.- Choose language: Spanish, English or Chinese. 3.- Select your purchase options or restore them if you have already bought them 4.- You can see MUROLAU applications. Invoice, customer-supplier or item selection SCREEN: 1.-To find your files grouped by: First name Creation date Modification date Client Provider Invoice date Payment date Status 2.- Sort them, ascending or descending 3.- Sliding the line you can: delete, rename or duplicate the file. Invoice filling SCREEN: 1.- Fill in the main data that will appear on the invoice 2.- Choose from the list of suppliers, customers or items. 3.- Create and manage the different lines. (up to 256). You can add (+), replicate (+=) it, delete them, etc. 4.- Text in red means that this field is advisable to fill it and it is still empty. 5.- Preview: you can see your Invoice look. 6.- To avoid confusions, Numbers and Dates use International Standard Format. (ISO 31-0 and ISO 8601) 7.- Use NOTE field to indicate the tax type. Preview SCREEN 1.- Envelope: send the invoice in HTML format 2.- Circular arrow: change the appearance of your invoice: normal, warm, cold. bluish or ecological (for black and white prints) 4.- Square with arrow: store your invoice in the local files, Book, send it by different means etc ... 5.- Top right button: choose the paper size for the creation of the PDF file when available Step by step you will discover the ease of creating and managing your bills. Welcome to the best App for the management of your business invoices !!! Now includes crypto-currencies, to get into the blockchain world.

About

Duty shift

Manage your maritime crew's watch schedules and logbook with this assistant app. It automates rotations, tracks GPS positions, and sends timely notifications for watch changes. Personalize crew profiles and export professional documents in the Pro version.

Highlights
  • Smart schedule generation (Fixed or Fair Rotation)
  • Automatic GPS logbook with route history
  • Watch change notifications
  • Personalized "That's Me" timer
  • Crew list with emoji avatars
  • PDF export of crew lists and agendas (Pro)
  • Voyage file sharing (Pro)
Features
Read full description

Duty shift is your essential tool for every sea voyage. Sailing is a pleasure, but crew management is a duty. Duty shift takes this burden off the captain's shoulders. Forget about scraps of paper and arguments about who takes the helm next. MAIN FEATURES: SMART SCHEDULE Choose the Fixed System (Swedish) or Fair Rotation. The algorithm ensures every crew member spends equal time on deck and in the galley. AUTOMATIC LOGBOOK The app saves GPS positions at every watch change. After the voyage, you have a ready route history on the map. NOTIFICATIONS & "THAT'S ME" The system automatically sends notifications before a watch change. Mark yourself with the "That's Me" feature to filter notifications just for you and switch the main dashboard timer to count down to your specific watch or rest time. CREW LIST WITH AVATARS Add crew members and personalize their profiles with fun Emoji avatars. FREE VERSION (Fully functional) Use the app for free with no time limits: • Create unlimited voyages. • Manage the full crew list. • Generate schedules and receive notifications. • Save voyage history locally on your phone. PRO VERSION (For professionals) A one-time purchase unlocks professional features: • PDF EXPORT: Generate and print professional Crew Lists and Agendas. • SHARING: Export voyage files and import voyages from other users. • SPECIAL MODES: Bosun Watch and Skipper Mode. NEW — WEATHER & WIDGET: Check the weather forecast (Open-Meteo) with storm warnings and a wind compass right inside the app. Use the Home Screen widget to see who's on watch without opening Wachty. NEW — ANCHOR WATCH (PRO): Drop anchor and let the app watch the drift. A drift radar alerts you when the boat leaves the set radius — even with your phone locked.

Screenshots

Electronic Invoice Crypto4 screens
Duty shift4 screens

Verdict

The call

The clearest difference is update cadence: Duty shift at every 9 days against Electronic Invoice Crypto's every 3 months. Duty shift also leads on iOS requirement (17.6 vs 26.2). On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Electronic Invoice Crypto sells 3 one-off in-app purchases and Duty shift sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Electronic Invoice Crypto ships an update every 3 months, Duty shift every 9 days. The most recent releases landed on September 10, 2026 and June 30, 2026 respectively.

Scorecard2 real differences · 8 level
Electronic Invoice Crypto versus Duty shift: the parameters behind the verdict, then further details
ParameterElectronic Invoice CryptoDuty shift
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPad — betteriPhone
Requires iOS26.217.6 — better
Further details — not scored
Size2 MB9 MB
Age rating4+4+
DeveloperJuan FullanaMateusz Moc

In-app purchases

3 purchases

Electronic Invoice Crypto

One-time3
  • 25 Electronic Invoices$1.99
  • 250 Electronic Invoices$3.99
  • Electronic Invoices: No Limits$8.99
1 purchases

Duty shift

One-time1
  • PRO Version$3.99

Questions

Is Electronic Invoice Crypto free?
Electronic Invoice Crypto is free to download, with in-app purchases available.
Is Duty shift free?
Duty shift is free to download, with in-app purchases available.
Do Electronic Invoice Crypto or Duty shift have ads?
Neither Electronic Invoice Crypto nor Duty shift shows ads.
Which is updated more often, Electronic Invoice Crypto or Duty shift?
Electronic Invoice Crypto ships an update every 3 months, and Duty shift every 9 days. Most recently, Electronic Invoice Crypto was updated on September 10, 2026 and Duty shift on June 30, 2026.

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