# BLE Scanner 4.0 vs CTA Study Buddy

The clearest difference is in-app purchases: CTA Study Buddy at none against BLE Scanner 4.0's 3. BLE Scanner 4.0's advantage is update cadence (every 6 weeks vs every 4 months) and iOS requirement (14.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. BLE Scanner 4.0 sells 3 in-app purchases, starting at $2.99 per month. CTA Study Buddy asks for nothing beyond the download.

BLE Scanner 4.0 ships an update every 6 weeks, CTA Study Buddy every 4 months. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | BLE Scanner 4.0 | CTA Study Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (615 ratings)](https://appshunter.io/ios/app/ble-scanner-40-bluetooth-le/id1221763603/reviews)** | — |
| Number of ratings | **615** | — |
| Positive reviews | 57.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 7 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [Bluepixel Technologies LLP](https://appshunter.io/developer/1221763602) | [Chris Emmett](https://appshunter.io/developer/1751233699) |

## What reviewers say

### BLE Scanner 4.0

[App page](https://appshunter.io/ios/app/ble-scanner-40-bluetooth-le/id1221763603)

Explore and manage Bluetooth Low Energy devices with this comprehensive utility. Discover, connect, and analyze BLE signals, including iBeacon and Eddystone data. Ideal for developers and users tracking smart gadgets.

**Highlights:** Instant BLE device discovery with RSSI, Radar view for device distance visualization, Smart filtering by name, UUID, RSSI, and more, iBeacon and Eddystone scanning, Data export to CSV, Custom BLE advertising packet creation, Secure GATT service and characteristic exploration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advertiser Plan | $2.99 | per month |
| Cloud Subscription | $4.99 | per month |
| Ultimate Subscription | $5.99 | per month |

**What reviewers like**

- 🚀 Detects Bluetooth devices well
- 👍 Useful for development and testing
- 🔍 Helps find lost Bluetooth devices

**What reviewers complain about**

- 🐛 Crashes or doesn't work on some devices
- 🤔 Unclear or confusing user interface
- 🔋 Drains battery quickly
- 🔒 Privacy concerns with permissions

**Reported bugs**

- Stuck in update loop after latest version
- Search and filtering functions not working
- Crashes when trying to add new iBeacons

**Requested features**

- Add distance or location information for detected devices
- Improve filtering and sorting of detected devices
- Provide more detailed device information
- Add support for more Bluetooth device types


### CTA Study Buddy

[App page](https://appshunter.io/ios/app/cta-study-buddy/id6738325138)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BLE Scanner 4.0 free?

BLE Scanner 4.0 is free to download, with in-app purchases available.

### Is CTA Study Buddy free?

CTA Study Buddy is free to download, with no in-app purchases.

### Do BLE Scanner 4.0 or CTA Study Buddy have ads?

Neither BLE Scanner 4.0 nor CTA Study Buddy shows ads.

### Which is updated more often, BLE Scanner 4.0 or CTA Study Buddy?

BLE Scanner 4.0 ships an update every 6 weeks, and CTA Study Buddy every 4 months. Most recently, BLE Scanner 4.0 was updated on October 16, 2026 and CTA Study Buddy on October 9, 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.*