OPN vs UD MCA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OPN
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IME application to input barcode data read using Optoelectronics' Bluetooth data collector with keyboard.
UD MCA
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MCA(Multilingual Conference Assistant) is a translation tool. It can translate meeting conversations and offline conversations to multiple languages to help us understand each other better.
Screenshots
Verdict
The clearest difference is update cadence: UD MCA at every 6 weeks against OPN's every 14 months. OPN's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On price, ads and in-app purchases 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.
OPN ships an update every 14 months, UD MCA every 6 weeks. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.
| Parameter | OPN | UD MCA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 14 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 5 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | OPTOELECTRONICS Co.,Ltd. | UD Trucks Corporation |
In-app purchases
OPN
No in-app purchases
UD MCA
No in-app purchases
