# LightBlue® vs peek cat

The clearest difference is price: LightBlue® at Free against peek cat's $2.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

LightBlue® is free to download; peek cat costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | LightBlue® | peek cat |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.3 (942 ratings)](https://appshunter.io/ios/app/lightblue/id557428110/reviews)** | — |
| Number of ratings | **942** | — |
| Positive reviews | 66.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 22 MB | 19 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Punch Through](https://appshunter.io/developer/557428113) | [DAN YU CHANG](https://appshunter.io/developer/1865504004) |

## What reviewers say

### LightBlue®

[App page](https://appshunter.io/ios/app/lightblue/id557428110)

This app allows users to interact with Bluetooth Low Energy devices. It supports scanning for, connecting to, and analyzing BLE peripherals, as well as simulating your own BLE devices. It's a comprehensive tool for developers and enthusiasts working with BLE technology.

**Highlights:** Scan and discover BLE peripherals, Connect and view device profiles, Read and write characteristics, Subscribe to notifications, Create and advertise virtual BLE devices, Clone peripheral profiles, Log and share BLE events

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Found lost devices
- 🔍 Helpful for locating Bluetooth devices
- 👍 Works great
- 👍 Lifesaver
- 👍 Fantastic app

**What reviewers complain about**

- 🐛 Doesn't work with dead devices
- 🐛 Unreliable connection
- 🐛 Confusing to use
- 🐛 Doesn't work with all devices

**Reported bugs**

- Crashes after updates
- Fails to connect Apple Pencil
- Doesn't detect all nearby devices

**Requested features**

- Ability to manually name devices
- More precise location tracking
- Integration with Siri/Shortcuts


### peek cat

[App page](https://appshunter.io/ios/app/peek-cat/id6762178274)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LightBlue® free?

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

### Is peek cat free?

peek cat costs $2.99, with no in-app purchases.

### Do LightBlue® or peek cat have ads?

Neither LightBlue® nor peek cat shows ads.

### Which is updated more often, LightBlue® or peek cat?

LightBlue® ships an update every 3 weeks, and peek cat every 3 weeks. Most recently, LightBlue® was updated on October 14, 2026 and peek cat on October 2, 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.*
