By vs OIKOS Arckey 2.0
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
By
Access and manage Elvox CCTV video surveillance systems from your smartphone or tablet. View live streams, adjust recorder settings, and create custom screen layouts combining different camera technologies.
- View live IP and AHD camera streams
- Adjust DVR/NVR recorder settings
- Create custom multi-system screen layouts
- QR code pairing for easy setup
- Store and share images/videos
- Real-time event notifications
- Control motorized and speed dome cameras
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By-camera lets you view images from all Elvox CCTV video surveillance systems on your smartphone and tablet, in both IP and AHD technology; it is designed to manage new and existing systems; the application allows you to adjust certain settings on video recorders (DVR and NVR) and create favourite screens by combining into a single screen video streams originating from several systems with different technologies, analogue, AHD, IP and IP cameras. Main characteristics: • Simply pair to a new system by scanning the QR code, which is also used to rapidly share with other smartphones without having to access the recorder again. • Optimise viewing of recordings thanks to operation in both vertical and horizontal mode better to exploit the size of the screen. • Store and share images and videos on your smartphone. • Quickly navigate through recordings, the events are easy to recognise with the bar featuring a different colour for each event, supported also by preview displays. • Receive constant feedback on what is happening in the system, with notifications in real time. • Control and move motorised and speed dome cameras. • View and manage the fisheye cameras with 5 different dedicated modes.
OIKOS Arckey 2.0
Control Oikos doors with Arckey system remotely via Bluetooth or Gateway. Manage user access, set time slots, and view event logs. Update lock firmware and send technical data for support.
- Remote door opening via Bluetooth/Gateway
- User access management
- Time slot assignment
- Event logging and sharing
- Firmware updates
- Technical log submission
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With this practical and intuitive application is possible to: - open Oikos doors equipped with Arckey system via Bluetooth or Remote Gateway from remote; - set configuration parameters; - manage all type of users (smartphone, cards or key number) allowed to open the doors; - assign access time slots; - display all recorded events occurred, with the possibility to share via e-mail to other devices; - update the lock firmware; - send technical logs, in case of assistance.
Screenshots
Verdict
The clearest difference is review sentiment: By at 48% against OIKOS Arckey 2.0's 0%. By also leads on rating (3.9 vs 3.0) and ratings volume (12 vs 2). On price, update cadence, 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.
By holds the better App Store score, 3.9 against 3.0. That said, the two scores are not equally well evidenced: By has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 48% of By's written reviews are positive against 0% of OIKOS Arckey 2.0's.
By ships an update every 9 months, OIKOS Arckey 2.0 every 5 months. Both last shipped on November 2, 2026.
| Parameter | By | OIKOS Arckey 2.0 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (12 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 48.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 12 — better | 2 |
| Update frequency | Every 9 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 12.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 127 MB | 147 MB |
| Age rating | 4+ | 4+ |
| Developer | Vimar S.p.A. | Oikos Venezia S.r.l. |
Customer experience
By
OIKOS Arckey 2.0
In-app purchases
By
No in-app purchases
OIKOS Arckey 2.0
No in-app purchases









