TempTag vs BlueSpy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TempTag
Connect to BLE-enabled data loggers to fetch temperature, humidity, and sensor data. Ideal for cold chain, healthcare, and pharmaceutical applications, it offers configuration, data download, and alarm notifications.
- Scan BLE data logger devices
- Fetch temperature and humidity data
- Configure data logger settings
- Receive alarm notifications
- Generate PDF and CSV reports
- Cloud data integration
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TempTag Mobile App enables you to scan the nearest BLE enabled TempTag data logger devices. Users can connect with the any of the TempTag data logger device and fetch it’s data and configuration. Temptag data loggers measures Temperature, humidity, analog (4-20mA, 0-10V) and variety of sensors. It can be used for Cold Chain Storage, Healthcare industries, Pharmaceutical and Cargo applications. TempTag data loggers work with the TempTag app. TempTag data loggers product line includes FX series BLE, 900MHz and WiFi models. TempTag app can be used for Configuration, Data Download, Audit Reports, Alarm notifications. Features: - Wireless Communication via Bluetooth Low Energy technology with Mobile Devices - TempTag cloud-based data integration portal (data storage, analytics and alerts) - Visual Alarm notifications (Visual and Audible alarms on TempTag data loggers) - PDF report generations - CSV data - Compliance with Centers for Disease Control and Prevention (CDC) guidelines - Compliance with Vaccines for Children Program (VFC) guidelines - Compliance with 21 CFR Part 11 guidelines - Compliance with FDA and EMA Good Distribution Practices and World Health Organization (WHO)
BlueSpy
This tool allows you to inspect, read, and write data with Bluetooth Low Energy devices. Explore device capabilities, analyze behavior, and understand security levels through real-time scanning and interactive features.
- Scan nearby BLE devices in real-time
- Sort and filter peripherals
- Identify device types and models
- Read and write peripheral data
- Explore communication logs
- Configure custom settings
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BlueSpy is the next generation BLE peripheral analyzer tool that allow you to inspect, read and write data with virtually any device capable of communicate with Bluetooth Low Energy standard and GATT profile. BlueSpy is an experimental tool that let you explore the capabilities of your nearby bluetooth devices and interact with them so that you can use it to: debug, analyze, measure or reverse engineering in the attempt to better understand their behaviour and their security level. BlueSpy is mostly a free tool, but in the effort to maintain and evolve it some features will only be availables under in-app purchase. Key Features: - Scan nearby device and return advertisment data in realtime. - Sort peripherals by name, identifier and signal strength. - Filter scanned peripherals. - Identify device type and model based on expandable knowledge base. - Read peripheral services, characteristics and descriptors. - Write data to peripheral characteristics. - Explore logs for any communication between BlueSpy and your BLE devices. - Configure custom settings like auto-notification, auto-remove unreachable peripherals, stop scan on idle, and more. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: TempTag at none against BlueSpy's 7. TempTag also leads on update cadence (every 2 months vs every 17 months) and iOS requirement (13.0 vs 18.0). 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. BlueSpy sells 7 in-app purchases, starting at $0.99 per month. TempTag asks for nothing beyond the download.
TempTag ships an update every 2 months, BlueSpy every 17 months. The most recent releases landed on September 20, 2026 and October 11, 2026 respectively.
| Parameter | TempTag | BlueSpy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 17 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 42 MB | 849 MB |
| Age rating | 4+ | 4+ |
| Developer | TRIVEDI ADVANCED TECHNOLOGIES LLC | Giuseppe Mazzilli |
Customer experience
TempTag
BlueSpy
In-app purchases
TempTag
No in-app purchases
BlueSpy
- Bronze Membership$0.991 Month
- Gold Membership$3.991 Month
- Platinum Membership$4.991 Month
- Characteristic Write Feature$0.99
- 1-Year Subscription$3.99
- 2-Year Subscription$6.99
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- 3-Year Subscription$8.99









