# RETHLock vs Trace Your BLE

The clearest difference is in-app purchases: RETHLock at none against Trace Your BLE's 3. RETHLock also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Trace Your BLE sells 3 in-app purchases, starting at $0.99 per 3 months. RETHLock asks for nothing beyond the download.

RETHLock ships an update fortnightly, Trace Your BLE every 2 weeks. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | RETHLock | Trace Your BLE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 59 MB | 20 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UEIHAUR ENTERPRISE CO.,LTD](https://appshunter.io/developer/1692135449) | [HAO-JEN HSU](https://appshunter.io/developer/1565283315) |

## What reviewers say

### RETHLock

[App page](https://appshunter.io/ios/app/rethlock/id6450167757)

**In-app purchases:** none


### Trace Your BLE

[App page](https://appshunter.io/ios/app/trace-your-ble/id6737307051)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version,  pay per season | $0.99 | per 3 months |
| Full version,  billed annually | $2.99 | per year |
| Buyout price | $3.99 | one-time |


## Frequently asked questions

### Is RETHLock free?

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

### Is Trace Your BLE free?

Trace Your BLE is free to download, with in-app purchases available.

### Do RETHLock or Trace Your BLE have ads?

Trace Your BLE shows ads; RETHLock does not.

### Which is updated more often, RETHLock or Trace Your BLE?

RETHLock ships an update fortnightly, and Trace Your BLE every 2 weeks. Most recently, RETHLock was updated on September 22, 2026 and Trace Your BLE on September 13, 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.*