ArcAir vs UseePlus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ArcAir
This app facilitates the online monitoring and visualization of various sensor data for biotechnological processes. It allows wireless communication with multiple sensors simultaneously and provides central data management, reporting, and validation for sensor calibration and configuration, supporting GMP guidelines.
- Online sensor monitoring
- Data visualization
- Wireless sensor communication
- Central data management
- Sensor calibration validation
- Paperless workflow support
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ArcAir is the app for Hamilton Arc sensors. It enables online monitoring and visualization of pH, dissolved oxygen, CO2, cell density, conductivity, and ORP sensors during biotechnological processes. With the ArcAir application, you can communicate wirelessly with up to 100 Arc sensors at the same time parallel to the process control system interface when an Arc Wi Bluetooth adapter is connected between the VP head of an Arc sensor and the VP sensor cable or the sensor has inbuilt Bluetooth functionality. Within the ArcAir application, Hamilton provides reporting and central data management of users, as well as validation reports for sensor calibration (excluding VCD sensors), verification, configuration, and communication. ArcAir embeds report’s electronic signatures, enabling paperless workflow. All of this complies with the GMP guidelines such as FDA CFR21 Part 11 or Eudralex Volume 4 Annex 11.
UseePlus
This application allows you to view your phone's photo album files directly on your mobile device. It connects via USB to your phone, providing easy access to your media library.
- Connects via USB
- View photo album files
- Control software for MFI devices
- Access phone media library
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USEEPlus is a control software for MFI devices It is connected to the mobile phone via USB You can view your phone's photo album files through the app
Screenshots
Verdict
The clearest difference is review sentiment: ArcAir at 100% against UseePlus's 25%. ArcAir also leads on rating (4.0 vs 2.4). UseePlus's advantage is in-app purchases (none vs 2) and ratings volume (303 vs 8). On price, ads, 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. ArcAir sells 2 one-off in-app purchases. UseePlus asks for nothing beyond the download.
ArcAir holds the better App Store score, 4.0 against 2.4. That said, the two scores are not equally well evidenced: UseePlus has 303 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 100% of ArcAir's written reviews are positive against 25% of UseePlus's.
ArcAir ships an update every 5 months, UseePlus every 2 months. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.
| Parameter | ArcAir | UseePlus |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (8 ratings) — better | 2.4 (303 ratings) |
| Positive reviews | 100.0% of reviews — better | 25.3% of reviews |
| Number of ratings | 8 | 303 — better |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 11.0 | 11.0 |
| Further details — not scored | ||
| Size | 21 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Hamilton Bonaduz AG | 亮 连 |
Customer experience
ArcAir
UseePlus
Bugs and requests
ArcAir
Not enough reviews yet to summarise bugs or requests.
UseePlus
Reported bugs
3 issues- App freezes or crashes frequently
- Device not detected even when connected
- Inconsistent performance after software updates
Requested features
3 requests- Ability to switch between front and side cameras
- Option to save photos/videos without full library access
- Improved focus and zoom controls
In-app purchases
ArcAir
- ArcAir Basic VersionFree
- ArcAir Advanced Version$199.99
UseePlus
No in-app purchases
