# Bluetooth Data Logger vs LanguageScreen

The clearest difference is review sentiment: LanguageScreen at 100% against Bluetooth Data Logger's 0%. LanguageScreen also leads on update cadence (monthly vs every 58 months). Bluetooth Data Logger's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bluetooth Data Logger ships an update every 58 months, LanguageScreen monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Bluetooth Data Logger | LanguageScreen |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 58 months | **Monthly** |
| Monetization | Free | Free |
| Size | 41 MB | 103 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TTS Group Limited](https://appshunter.io/developer/500131642) | [OxEd and Assessment Ltd](https://appshunter.io/developer/1534118518) |

## What reviewers say

### Bluetooth Data Logger

[App page](https://appshunter.io/ios/app/bluetooth-data-logger/id1465251278)

This educational tool allows users to collect data using five integrated sensors on compatible tablets. It supports scientific investigations and is suitable for a wide range of age groups.

**Highlights:** Five integrated sensors, Data logging capabilities, Tablet compatibility, Scientific investigations, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


### LanguageScreen

[App page](https://appshunter.io/ios/app/languagescreen/id1534118516)

This app helps education professionals quickly and accurately assess young children's oral language skills. It guides examiners through activities using pictures and sounds, recording responses or scores. Assessment data is uploaded for detailed individual and class reports.

**Highlights:** Oral language skills assessment, Picture and sound-based activities, Response recording, Examiner scoring, Individual and class reports, Free school trial registration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bluetooth Data Logger free?

Bluetooth Data Logger is free to download, with no in-app purchases.

### Is LanguageScreen free?

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

### Do Bluetooth Data Logger or LanguageScreen have ads?

Neither Bluetooth Data Logger nor LanguageScreen shows ads.

### Which is updated more often, Bluetooth Data Logger or LanguageScreen?

Bluetooth Data Logger ships an update every 58 months, and LanguageScreen monthly. Most recently, Bluetooth Data Logger was updated on November 3, 2026 and LanguageScreen on November 3, 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.*