# BLE Diagnostic Tool vs HC Calibrator

The clearest difference is iOS requirement: HC Calibrator at 13 against BLE Diagnostic Tool's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on August 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | BLE Diagnostic Tool | HC Calibrator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ble-diagnostic-tool/id6466607793/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | — |
| Size | 10 MB | 29 MB |
| Requires iOS | 15.6 | **13** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [健 常](https://appshunter.io/developer/1698085980) | [杭州士腾科技有限公司](https://appshunter.io/developer/1679259852) |

## What reviewers say

### BLE Diagnostic Tool

[App page](https://appshunter.io/ios/app/ble-diagnostic-tool/id6466607793)

Connect to devices via Bluetooth to retrieve and display diagnostic data. Analyze information obtained through the protocol to troubleshoot and understand device status.

**Highlights:** Bluetooth connectivity, Data retrieval, Protocol analysis, Device diagnostics, Data display

**Features:** macOS Compatibility

**In-app purchases:** none


### HC Calibrator

[App page](https://appshunter.io/ios/app/hc-calibrator/id6473139016)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BLE Diagnostic Tool free?

BLE Diagnostic Tool is free to download, with no in-app purchases.

### Is HC Calibrator free?

HC Calibrator is free to download, with no in-app purchases.

### Do BLE Diagnostic Tool or HC Calibrator have ads?

Neither BLE Diagnostic Tool nor HC Calibrator shows ads.

### Which is updated more often, BLE Diagnostic Tool or HC Calibrator?

BLE Diagnostic Tool ships an update every 5 weeks, and HC Calibrator every 5 weeks. Most recently, BLE Diagnostic Tool was updated on August 20, 2026 and HC Calibrator on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*