# Bluetooth Data Logger vs Literacy Tree

The clearest difference is update cadence: Literacy Tree at every 5 days against Bluetooth Data Logger's every 58 months. Bluetooth Data Logger's advantage is iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and device support 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, Literacy Tree every 5 days. Both last shipped on October 3, 2026.

## The numbers

| Metric | Bluetooth Data Logger | Literacy Tree |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 41 MB | 22 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [TTS Group Limited](https://appshunter.io/developer/500131642) | [The Literacy Tree Ltd](https://appshunter.io/developer/1705392371) |

## 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


### Literacy Tree

[App page](https://appshunter.io/ios/app/literacy-tree/id6464051401)

**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 Literacy Tree free?

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

### Do Bluetooth Data Logger or Literacy Tree have ads?

Neither Bluetooth Data Logger nor Literacy Tree shows ads.

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

Bluetooth Data Logger ships an update every 58 months, and Literacy Tree every 5 days. Most recently, Bluetooth Data Logger was updated on October 3, 2026 and Literacy Tree on October 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.*