ArcAir vs D
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.
D
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It's new and easy way to check in. Just open this application while you are inside the working area, you can check in and out. And also you can view your own check in and out history by using this application everywhere.
Screenshots
Verdict
The clearest difference is in-app purchases: D at none against ArcAir's 2. D also leads on update cadence (every 5 weeks vs every 5 months). ArcAir's advantage is iOS requirement (11.0 vs 13.0). On price, ads and device support 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. D asks for nothing beyond the download.
ArcAir ships an update every 5 months, D every 5 weeks. The most recent releases landed on September 20, 2026 and May 16, 2026 respectively.
| Parameter | ArcAir | D |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 5 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 21 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Hamilton Bonaduz AG | PTT ICT Solutions Company Limited |
In-app purchases
ArcAir
- ArcAir Basic VersionFree
- ArcAir Advanced Version$199.99
D
No in-app purchases
