Skyn vs Arborsense upGRADE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Skyn
This wearable biosensor tracks alcohol levels from your skin, estimating your blood alcohol content in near real-time. Connect it to the companion app via Bluetooth for continuous monitoring. For investigational use only, it's not a tool for determining driving safety.
- Wearable biosensor
- Skin alcohol measurement
- Estimated BAC range
- Near real-time data
- Bluetooth connectivity
- Companion app integration
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BACtrack Skyn is a wearable biosensor that measures the alcohol coming from your skin and then estimates your blood alcohol content (BAC) range, in near real-time. Simply slide Skyn on to your wrist, connect to the BACtrack Skyn app via Bluetooth, and you're good to go. For Investigational Use Only. The performance characteristics of this product have not been established. BACtrack Skyn should not be used as a tool to determine whether you should operate a motor vehicle or equipment, or perform any other dangerous act. Do not drink and drive.
Arborsense upGRADE
This app pairs with a wearable device to continuously monitor alcohol vapors transpiring through your skin. It collects and records alcohol data periodically, allowing for real-time tracking via Bluetooth connection.
- Continuous transdermal alcohol monitoring
- Bluetooth connectivity to wearable
- Periodic data collection
- Real-time alcohol vapor tracking
- Wrist-worn device integration
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Arborsense GRADE is a wearable that continuously measures transdermal alcohol vapors transpiring through your skin. Arborsense upGRADE app connects to the GRADE wearable and collects the recorded alcohol data periodically. Install the GRADE on to your wrist and connect with the upGRADE app via Bluetooth to start the monitoring run.
Screenshots
Verdict
The clearest difference is rating: Arborsense upGRADE at 5.0 against Skyn's 3.1. Arborsense upGRADE also leads on iOS requirement (15.0 vs 26.0). Skyn's advantage is ratings volume (17 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.
Arborsense upGRADE holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Skyn has 17 ratings behind it against 2, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.
| Parameter | Skyn | Arborsense upGRADE |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (17 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 17 — better | 2 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 44 MB | 115 MB |
| Age rating | 17+ | 12+ |
| Developer | KHN Solutions Inc | Arborsense, Inc. |
Customer experience
Skyn
Arborsense upGRADE
In-app purchases
Skyn
No in-app purchases
Arborsense upGRADE
No in-app purchases
