Duty shift vs Offline Translator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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)
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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.
Offline Translator
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My Translator turns your phone into a real-time speech interpreter. Speak, and watch the translation appear instantly — all processed privately on your device. No account. No server. Your voice never leaves your phone. REAL-TIME SPEECH TRANSLATION Tap the microphone and start talking. My Translator transcribes your speech and translates it live, line by line, as you speak. ON-DEVICE & PRIVATE Speech recognition and translation run entirely on your iPhone and iPad using Apple's built-in engines. There is no cloud relay and no telemetry — because there are no servers. Language packs download once through the system, then work offline. SINGLE OR DUAL PANEL Show just the translation, or view the original and translated text side by side. Perfect for following along or checking accuracy. BUILT FOR CONVERSATIONS & PRESENTATIONS • Swap source and target languages with one tap • Adjust text up to 140 pt — large enough to read across a room or hand your phone to someone • Hear translations spoken aloud with natural system voices • Tap any line to replay it as speech CUSTOM TERMS Add your own glossary of names, brands, and jargon so domain-specific words are translated exactly the way you want. SAVE & SHARE TRANSCRIPTS Keep a full record of any session. Review saved conversations any time and export them as Markdown to share. 19 LANGUAGES English, Spanish, French, German, Italian, Portuguese, Russian, Chinese, Japanese, Korean, Vietnamese, Arabic, Hindi, Thai, Dutch, Turkish, Polish, Ukrainian, and Indonesian. No ads, ever. Just open it and speak. Terms https://web-levi.web.app/terms • Privacy https://web-levi.web.app/privacy-policy • Support tphuc.work@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: Offline Translator at none against Duty shift's 1. Duty shift's advantage is update cadence (every 9 days vs monthly). On price, ads, device support 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. Duty shift sells 1 one-off in-app purchase. Offline Translator asks for nothing beyond the download.
Duty shift ships an update every 9 days, Offline Translator monthly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Duty shift | Offline Translator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 9 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Mateusz Moc | Phuc Pham |
In-app purchases
Duty shift
- PRO Version$3.99
Offline Translator
No in-app purchases
Questions
Is Duty shift free?
Is Offline Translator free?
Do Duty shift or Offline Translator have ads?
Which is updated more often, Duty shift or Offline Translator?
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