# KL500A vs BLE Relay Bluetooth

The clearest difference is price: KL500A at Free against BLE Relay Bluetooth's $2.99. KL500A also leads on iOS requirement (11.0 vs 17.0). BLE Relay Bluetooth's advantage is update cadence (every 4 days vs every 4 weeks). On ads, in-app purchases and device support there is nothing between them.

KL500A is free to download; BLE Relay Bluetooth costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KL500A ships an update every 4 weeks, BLE Relay Bluetooth every 4 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | KL500A | BLE Relay Bluetooth |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Size | 31 MB | 4 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [磊磊 周](https://appshunter.io/developer/1708841052) | [anthony Plaisir](https://appshunter.io/developer/6798855745) |

## What reviewers say

### KL500A

[App page](https://appshunter.io/ios/app/kl500a/id6470735168)

**Features:** macOS Compatibility

**In-app purchases:** none


### BLE Relay Bluetooth

[App page](https://appshunter.io/ios/app/ble-relay-bluetooth/id6805959726)

**In-app purchases:** none


## Frequently asked questions

### Is KL500A free?

KL500A is free to download, with no in-app purchases.

### Is BLE Relay Bluetooth free?

BLE Relay Bluetooth costs $2.99, with no in-app purchases.

### Do KL500A or BLE Relay Bluetooth have ads?

Neither KL500A nor BLE Relay Bluetooth shows ads.

### Which is updated more often, KL500A or BLE Relay Bluetooth?

KL500A ships an update every 4 weeks, and BLE Relay Bluetooth every 4 days. Most recently, KL500A was updated on November 3, 2026 and BLE Relay Bluetooth on November 6, 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.*