ONE Device vs O
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ONE Device
This application facilitates a connection between your wireless device and a cloud platform. It offers feedback during the activation process, ensuring seamless integration.
- Device-to-cloud connectivity
- Activation process feedback
- Wireless device integration
- Cloud platform synchronization
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ONE Connect bridges the gap between the device and the cloud platform providing connectivity feedback during the activation process
O
Monitor your home remotely with real-time video surveillance. Access cloud storage, receive alarm notifications, and communicate via two-way audio. Capture photos and videos for convenient home management.
- Real-time video monitoring
- Cloud storage playback
- Alarm push notifications
- Two-way voice intercom
- Photo and video capture
- Simple operation and design
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O-KAM Pro, feel home anytime, anywhere. A remote video surveillance software used with the camera can help you check the dynamics of your home at any time after adding the camera. With real-time video, cloud storage playback, alarm push, two-way voice intercom, as well as photo and video and other functions. APP has simple operation and simple design, which can help you manage and use it more conveniently.
Screenshots
Verdict
The clearest difference is in-app purchases: ONE Device at none against O's 25. ONE Device also leads on ads (none vs shown). O's advantage is ratings volume (8.6K vs 4) and rating (4.5 vs 4.3). On price, update cadence, 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. O sells 23 one-off in-app purchases. ONE Device asks for nothing beyond the download.
O holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: O has 8.6K ratings behind it against 4, so its average is the more settled of the two.
ONE Device ships an update monthly, O fortnightly. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.
| Parameter | ONE Device | O |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (4 ratings) | 4.5 (8.6K ratings) — better |
| Positive reviews | — | 62.8% of reviews |
| Number of ratings | 4 | 8.6K — better |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #7 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 3 MB | 366 MB |
| Age rating | 4+ | 17+ |
| Developer | ONE TECH, INC | Shenzhen VeePai IoT Intelligent Technology LLC |
Customer experience
ONE Device
O
Bugs and requests
ONE Device
Not enough reviews yet to summarise bugs or requests.
O
Reported bugs
3 issues- Frequent app crashes
- Inability to view recorded footage
- Inconsistent camera performance after updates
Requested features
5 requests- Easier cloud storage management
- Improved motion detection sensitivity
- More customization options
- Ability to disable microphone/speakers
- Smoother app performance
In-app purchases
ONE Device
No in-app purchases
O
- monthly card-7(SA tryout)$0.99
- monthly card-7(tryout)$0.99
- monthly card-7(EU tryout)$0.99
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- monthly card-7(JP tryout)$0.99
- monthly card-7(AE tryout)$0.99
- monthly card$1.99
- monthly card2 variants$2.99
- monthly card(JP)-7$2.99
- monthly card- 7$3.99
- monthly card- 30$4.99
- monthly card2 variants$5.99
- monthly card(JP)- 30$5.99
- monthly card(SA)- 30$5.99
- half year card$6.99
- monthly card(AE)-30$7.99
- yearly card$12.99
- half year card$14.99
- yearly card$24.99
- half year card -7$28.99
- half year card$31.99
- yearly card$49.99
- yearly card - 7$49.99
- half year card -30$74.99
