All Units vs Seafarer Documents Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
All Units
This free utility app simplifies unit conversions for various measurements, saving time for technicians, students, and everyday users. It offers a wide range of conversion categories to make calculations easy and accurate.
- Unit conversion
- Volume
- Length
- Mass
- Temperature
- Velocity
- Time
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This free application can save a lot of time and make your life easier. Ideal for technicians, students and anyone who needs to convert the units ease and accurate. Volume Length Angle Mass Temperature Velocity Time Area Power Pressure Frequency Energy Resistance Potential difference Current Please tell us about your experience and if you have any suggestions for improvement, please send us an email at yvvofficial@yahoo.com
Seafarer Documents Manager
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Seafarer Documents Manager: Your Digital Document Navigator Tired of missing crucial certificate expiry dates? Designed specifically for officers and ratings, Seafarer Documents Manager is an indispensable tool for organizing, tracking, and managing all your maritime documents, certificates, and passports. Take complete control of your career, whether you are onboard or ashore. Key Features for Seafarers Smart Expiry Tracking Add issue and expiration dates for every certificate such as STCW, Medical, GMDSS, and Passport. Receive automatic reminders in advance, three months, one month, and one week before expiry, so you always have time to renew or reissue your documents. A clear visual status indicator shows at a glance which documents are valid and which require attention. Digital Document Organizer Create digital copies of your documents as photos or scans and store them offline directly in the app. Scan paper documents with your camera and save them as compact PDF files. Categorize everything by type, such as License, Endorsement, or Training Certificate, for quick retrieval. Preview your files inside the app at any time. Strong Privacy and Protection Keep your personal data safe with a PIN code or biometrics such as Face ID and Touch ID. Your documents stay on your device, available even without an internet connection. Sea Service Record Keep a complete record of your contracts and vessels, including position, vessel type, sign on and sign off dates, and attach the related documents to each entry. Professional CV in Two Taps Generate a polished maritime CV from your saved data and choose from several professional designs. Each CV includes a contact QR code, so a recruiter can save your details to their phone instantly. Export and share your CV in seconds. Created by a Seafarer, for Seafarers Add your own custom documents to match your specific needs. The app is available in multiple languages. As a professional seafarer, you know how critical it is to have up to date documents at boarding time and during an audit. This app removes the risk of human error and gives you peace of mind. Do not let expired certificates get you rejected. Download Seafarer Documents Manager today and take control of your maritime career. More useful features are coming in future updates. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sdm.kuka-lab.com/privacy-policy.php Terms of Service: https://sdm.kuka-lab.com/terms-of-service.php
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Verdict
The clearest difference is in-app purchases: All Units at none against Seafarer Documents Manager's 2. All Units also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (15.0 vs 17.0). Seafarer Documents Manager's advantage is ads (none vs shown). On price 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
Both are free to download. Seafarer Documents Manager sells 2 in-app purchases, starting at $0.99 per month. All Units asks for nothing beyond the download.
All Units ships an update every 3 days, Seafarer Documents Manager fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | All Units | Seafarer Documents Manager |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 days — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Vladyslav Yarmak | Mykhaylo Osypov |
In-app purchases
All Units
No in-app purchases
Seafarer Documents Manager
- Monthly Subscribe$0.991 Month
- Seafarer Documents Manager Premium$11.99
Questions
Is All Units free?
Is Seafarer Documents Manager free?
Do All Units or Seafarer Documents Manager have ads?
Which is updated more often, All Units or Seafarer Documents Manager?
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