# DataLogger vs Bluetooth BLE Device Finder

The clearest difference is rating: Bluetooth BLE Device Finder at 4.4 against DataLogger's 2.0. Bluetooth BLE Device Finder also leads on review sentiment (39% vs 0%) and ratings volume (27K vs 3). DataLogger's advantage is in-app purchases (none vs 4). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Bluetooth BLE Device Finder sells 4 in-app purchases, starting at $3.99 per 7 days. DataLogger asks for nothing beyond the download.

Bluetooth BLE Device Finder holds the better App Store score, 4.4 against 2.0. That said, the two scores are not equally well evidenced: Bluetooth BLE Device Finder has 27K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of DataLogger's written reviews are positive against 39% of Bluetooth BLE Device Finder's.

DataLogger ships an update every 4 months, Bluetooth BLE Device Finder every 2 months. The most recent releases landed on June 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | DataLogger | Bluetooth BLE Device Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/datalogger/id611115496/reviews) | **[4.4 (27K ratings)](https://appshunter.io/ios/app/bluetooth-ble-device-finder/id1465245157/reviews)** |
| Number of ratings | 3 | **27K** |
| Positive reviews | 0.0% of reviews | **39.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 3 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MSR Electronics GmbH](https://appshunter.io/developer/611115499) | [Raymond NG](https://appshunter.io/developer/306272232) |

## What reviewers say

### DataLogger

[App page](https://appshunter.io/ios/app/datalogger/id611115496)

Control MSR data loggers from your mobile device. Configure loggers, view sensor data in real-time, and upload recordings to the cloud. Connects to multiple loggers via Bluetooth Low Energy.

**Highlights:** Control MSR data loggers, Configure logger settings, View sensor data online, Record sensor data, Upload data to MSR Smart Cloud, Connect via Bluetooth Low Energy (BLE)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bluetooth BLE Device Finder

[App page](https://appshunter.io/ios/app/bluetooth-ble-device-finder/id1465245157)

Quickly locate misplaced Bluetooth devices using signal strength and a radar interface. Track devices in the background and receive notifications when they are lost, with the last known location recorded on a map.

**Highlights:** Find lost Bluetooth devices, Track devices in the background, Receive disconnection notifications, View last detected time and location, Use radar interface for proximity, Show signal strength and estimated distance, Display BLE device details

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Week Premium | $3.99 | per 7 days |
| One Month Premium | $9.99 | per month |
| One Year Premium | $14.99 | per year |
| Lifetime Premium | $19.99 | one-time |

**What reviewers like**

- 🚀 Accurately locates lost devices
- 👍 Helpful for finding misplaced items
- 🔍 Effective at tracking Bluetooth signals
- 💡 Useful for finding lost AirPods, Fitbits, and other Bluetooth devices

**What reviewers complain about**

- 💰 Mandatory subscription/premium version required for full functionality
- 🤔 Difficulty distinguishing between unknown Bluetooth devices
- 🤷‍♀️ Inconsistent or inaccurate distance/signal strength readings
- 🙄 Constant prompts to upgrade to premium version

**Reported bugs**

- Unable to detect certain Bluetooth devices like Apple Pencil
- App crashes or freezes on some devices
- Persistent pairing requests from unknown devices

**Requested features**

- Ability to name/label Bluetooth devices
- Option to use feet/yards instead of meters
- Improved device filtering and organization
- More precise tracking and direction indicators


## Frequently asked questions

### Is DataLogger free?

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

### Is Bluetooth BLE Device Finder free?

Bluetooth BLE Device Finder is free to download, with in-app purchases available.

### Which has better reviews, DataLogger or Bluetooth BLE Device Finder?

Bluetooth BLE Device Finder is rated higher. DataLogger averages 2.0 out of 5 from 3 ratings, while Bluetooth BLE Device Finder averages 4.4 from 27K ratings.

### Do DataLogger or Bluetooth BLE Device Finder have ads?

Neither DataLogger nor Bluetooth BLE Device Finder shows ads.

### Which is updated more often, DataLogger or Bluetooth BLE Device Finder?

DataLogger ships an update every 4 months, and Bluetooth BLE Device Finder every 2 months. Most recently, DataLogger was updated on June 1, 2026 and Bluetooth BLE Device Finder on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*