QNode vs Drive Sentinel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QNode
This app helps you reunite with your lost pet. When scanned, a QR code on the tag prompts the finder to share their location with you, allowing you to track and retrieve your pet. It offers privacy controls to manage when your contact information is visible.
- Pet location sharing
- Contact finder
- QR code scanning
- Unlimited contact info
- Lost mode privacy switch
- Scan history
- Map integration
Read full descriptionHide full description
QNode helps you easily find your pet. If your pet gets lost, QNode will allow you to get the location of whoever finds your pet and lets them quickly get in contact with you when it matters most. QNode allows you to get the exact location of whoever finds your pet and lets them quickly and reliably get in contact with you when it matters most. It is a beautiful pet tag with a QR code in the back of it. It has everything an outdated and traditional pet tag has, but done correctly. It has your pets name, address and phone number. But, QNode allows your pet to have an unlimited amount of phones, addresses, and emails along with some important notes for whoever finds your pet. When someone scans your pets QNode, it will prompt them to send their location to you, and once they send it, you will be able to see it inside the QNode app, in the maps page along with the full scan history of all your pets. It will be there waiting for you to click on it and then get the directions to instantly go find your pet. QNode cares about your privacy. Your pet is not always lost. So, your contact information shouldn’t always be visible. That’s why the QNode app has a “Lost mode” switch where you can easily turn it on or off depending on the situation. This hides your personal contact information which allows you to show your information, only when you decide to do so.
Drive Sentinel
Read full descriptionHide full description
Drive Sentinel helps you stay alert at the wheel. Many accidents happen from driving drowsy. Drive Sentinel uses your Apple Watch and iPhone to quietly watch for signs of fatigue while you drive — and warn you in time to take a break. How it works, in two stages: • Your Apple Watch analyzes your pulse and its variability. When your physiology starts showing signs of sleep, a first signal fires. • Your iPhone, if mounted in view, confirms with the camera by checking your eyes (blinking, yawning) before alerting. Fewer false alarms. Built not to distract: • Starts on its own as soon as it detects you're driving. • Works quietly and only alerts you when needed — with haptics, sound, and voice. Private by design: • All analysis happens on your device. No video or health data is ever recorded or sent anywhere. Important: Drive Sentinel is an assistance aid, not a guarantee. It is not a medical device and does not replace responsible driving or rest. If you're tired, stop and rest.
Screenshots
Verdict
The clearest difference is in-app purchases: QNode at none against Drive Sentinel's 1. Drive Sentinel's advantage is update cadence (every 9 days vs every 3 months). 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. Drive Sentinel sells 1 one-off in-app purchase. QNode asks for nothing beyond the download.
QNode ships an update every 3 months, Drive Sentinel every 9 days. The most recent releases landed on October 20, 2026 and October 29, 2026 respectively.
| Parameter | QNode | Drive Sentinel |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 119 MB | 5 MB |
| Age rating | 17+ | 17+ |
| Developer | Miguel Cota | Alejandro ordonez villar |
In-app purchases
QNode
No in-app purchases
Drive Sentinel
- Drive Sentinel Pro$3.99









