# BLE Scanner 4.0 vs CRUMB

The clearest difference is price: BLE Scanner 4.0 at Free against CRUMB's $7.99. BLE Scanner 4.0 also leads on ratings volume (615 vs 144). CRUMB's advantage is in-app purchases (none vs 3) and update cadence (weekly vs every 6 weeks). On rating, review sentiment, ads and device support there is nothing between them.

BLE Scanner 4.0 is free to download; CRUMB costs $7.99 up front. BLE Scanner 4.0 sells 3 in-app purchases, starting at $2.99 per month. CRUMB asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for BLE Scanner 4.0 against 4.4 for CRUMB. Both are backed by a comparable volume of ratings — 615 and 144 respectively. Written reviews are what separate them: 58% of BLE Scanner 4.0's written reviews are positive against 56% of CRUMB's.

BLE Scanner 4.0 ships an update every 6 weeks, CRUMB weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | BLE Scanner 4.0 | CRUMB |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | [4.3 (615 ratings)](https://appshunter.io/ios/app/ble-scanner-40-bluetooth-le/id1221763603/reviews) | **[4.4 (144 ratings)](https://appshunter.io/ios/app/crumb/id1639868071/reviews)** |
| Number of ratings | **615** | 144 |
| Positive reviews | **57.6% of reviews** | 55.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#65** |
| Size | 29 MB | 496 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bluepixel Technologies LLP](https://appshunter.io/developer/1221763602) | [Vital Group Limited](https://appshunter.io/developer/1355662516) |

## 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


### CRUMB

[App page](https://appshunter.io/ios/app/crumb/id1639868071)

**Currently charting:** #65 Top Paid · Productivity (US App Store)

Explore and build electronic circuits in an interactive 3D environment. Learn circuit basics, experiment with components, and analyze performance with built-in tools without the risk of damaging real parts.

**Highlights:** Interactive 3D circuit construction, Wide selection of electronic components, Study transistors and audio filtering, Program EEPROMs, Built-in oscilloscope and analysis views, Prototype analysis before real-world construction

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for beginners
- 💡 Good for learning new skills
- ✨ Simple to put things together
- 🎨 Great graphics
- 🧩 Plenty of components

**What reviewers complain about**

- ❌ Very limited components
- ❌ Lacks modern components
- 🐛 Crashing frequently
- 🐛 App crashes when using corners
- 🐛 Crashing on Mac

**Reported bugs**

- App crashes when using the “corners” option on jumper wires
- Experienced some crashing on Mac
- Component images do not rotate
- Power rails are backwards related to real life breadboards
- Program counters (74HC161) do not reset to 0 on a reset signal

**Requested features**

- Implement modern components (TI IC, LTC series)
- Add 12 segment display
- Add Arduino and other microcontrollers
- Add a spot to code Arduino/microcontrollers
- Allow custom wire colors


## Frequently asked questions

### Is BLE Scanner 4.0 free?

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

### Is CRUMB free?

CRUMB costs $7.99, with no in-app purchases.

### Which has better reviews, BLE Scanner 4.0 or CRUMB?

CRUMB is rated higher. BLE Scanner 4.0 averages 4.3 out of 5 from 615 ratings, while CRUMB averages 4.4 from 144 ratings.

### Do BLE Scanner 4.0 or CRUMB have ads?

Neither BLE Scanner 4.0 nor CRUMB shows ads.

### Which is updated more often, BLE Scanner 4.0 or CRUMB?

BLE Scanner 4.0 ships an update every 6 weeks, and CRUMB weekly. Most recently, BLE Scanner 4.0 was updated on October 24, 2026 and CRUMB on October 24, 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.*