BLE ToolBox vs Write ID
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLE ToolBox
This utility app facilitates the development of Bluetooth 4.0 Low Energy accessories. It offers a user-friendly interface for discovering, connecting to, and managing LE devices, supporting various standard and special BLE services for data transfer and remote control.
- Discover and connect to BT4.0 LE devices
- Support for standard LE services (HRP, HTP, BLP, GLP, FMP, CSCP)
- Special BLE services (SPS, Remote, OTA)
- User-friendly interface for device management
- Over-the-air firmware updates
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BLE ToolBox is the right tool for developing BT4.0 LE accessories. BLE ToolBox supports various standard LE Services/Profiles and special service for data transfer and remote control. BLE ToolBox provide an user friendly interface to searching the BT4.0 LE devices with dedicated BT4.0 LE service, connect/disconnect to the device, get the connected device information and service data. Standard BLE services supported : - HRP, Heart Rate Profile. - HTP, Health Thermometer Profile. - BLP, Blood Pressure Profile. - GLP, Glucose Profile. - FMP, Find Me profile. - CSCP, Cycling Speed & Cadence Profile. Special BLE services supported : - SPS, Serial Port Service, setup serial port connection between iOS and BT4.0 LE accessories. - Remote, Remote Control Service. - OTA, Over the Air Technology, update is the wireless delivery of new software, firmware or other data to mobile devices. Note : BLE ToolBox can only work on iOS devices support BT4.0 LE, like iPhone4S or new iPad.
Write ID
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Write ID is an APP that can be used to Write and modify device ids for multiple devices of our company - The APP is mainly used for internal testing and customers who purchase the company's products -The APP is mainly released in China and other countries
Screenshots
Verdict
The clearest difference is update cadence: Write ID at every 6 weeks against BLE ToolBox's every 19 months. Write ID also leads on iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
BLE ToolBox ships an update every 19 months, Write ID every 6 weeks. The most recent releases landed on July 4, 2026 and September 11, 2026 respectively.
| Parameter | BLE ToolBox | Write ID |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 19 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 1 MB |
| Age rating | 4+ | 9+ |
| Developer | Enzytek Technology, Inc. | Shenzhen Chileaf Eletronics Co., LTD |
In-app purchases
BLE ToolBox
No in-app purchases
Write ID
No in-app purchases
