Keelin vs THEye Controller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keelin
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Keelin-Beacon is connected to our hardware STB1 device via Bluetooth for convenience. The STB1 is a BLE5.0de high-precision temperature sensor recorder that collects the ambient temperature of the device and uses Bluetooth broadcast to achieve 24-hour monitoring via Keelin-Beacon. 1. The current temperature value, voltage value and RSSI of nearby devices can be viewed through Bluetooth broadcast data. 2, historical data information (temperature + voltage + time, the most cocoa storage 4 days of data), at the same time can export data. Can be applied to logistics management, supply chain, warehouse, terminal and personal asset management.
THEye Controller
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THEye Controller - Application for TH-2 Bluetooth temperature and humidity devices. Features : - Automatic detection of THEye sensors - Real-time monitoring of measurements - Recording frequency settings - Storage of up to 520,000 measurement points - Measurement download and analysis via graphical display Technical data THEye TH-2 : - Temperature: -20 to 70 °C (±0.3 °C) - Humidity: 0 to 100% (±2.0%) - CE certification - 8-year autonomy - Bluetooth Low Energy connection (BLE 5.0) Fields of use : - Cold chain monitoring - Transport of precious objects - Laboratories and sensitive environments More info: theye.ch Privacy policy: theye.ch/en/privacy
Screenshots
Verdict
Keelin and THEye Controller are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Keelin ships an update every 3 months, THEye Controller every 2 months. The most recent releases landed on September 13, 2026 and September 19, 2026 respectively.
| Parameter | Keelin | THEye Controller |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 7 MB | 116 MB |
| Age rating | 4+ | 4+ |
| Developer | 佳喜 肖 | FiveCo sarl |
In-app purchases
Keelin
No in-app purchases
THEye Controller
No in-app purchases
