All Units vs Im On Board
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
Im On Board
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App is designed specifically for seafarers to easily track and manage their sea service. You can log vessel details, monitor sea time and record important events. All in one place. Stay organized and up to date with user friendly interface tailored to meet the needs of maritime professionals.
Screenshots
Verdict
The clearest difference is ads: Im On Board at none against All Units's shown. All Units's advantage is update cadence (every 3 days vs every 9 days). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.
All Units ships an update every 3 days, Im On Board every 9 days. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.
| Parameter | All Units | Im On Board |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 days — better | Every 9 days |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 7 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Vladyslav Yarmak | Katarzyna Drop |
In-app purchases
All Units
No in-app purchases
Im On Board
No in-app purchases
