Ovs Viewer vs O
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ovs Viewer
Read full descriptionHide full description
The application allows you to view the simulation of optically variable design elements, such as holograms, optically variable ink.
O
Read full descriptionHide full description
What is an O—KEY ? An O-KEY is the smartest and safest way to guarantee product authenticity when and where you need it. The O-KEY is embedded in a QR code with a unique pattern of particles. By scanning the QR code, the O-KEY Verifier can detect if the product is genuine by focusing on the embedded particles. The O-KEY is easy to apply, impossible to copy and gives the end consumer instant peace of mind. This unique technology empowers companies to keep their brand promise and works within industries such as: Luxury, Traceability, Security, Automotive, Packaging and Food and Beverage. The O-KEY Verifier contains features such as: - The O-KEY scan function - User guidance on how to scan - Instant validation - Embedded information within the O-KEY - A list of all previous scans - Change password and delete profile
Screenshots
Verdict
The clearest difference is update cadence: O at every 5 weeks against Ovs Viewer's every 19 months. Ovs Viewer's advantage is device support (3 vs 1) and iOS requirement (14.1 vs 16.0). 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.
Ovs Viewer ships an update every 19 months, O every 5 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | Ovs Viewer | O |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 19 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | JURA-TRADE Kereskedelmi kft. | PUFin ID A/S |
In-app purchases
Ovs Viewer
No in-app purchases
O
No in-app purchases
