# Bluetooth Data Logger vs Primary Maths Hub

The clearest difference is update cadence: Primary Maths Hub at every 4 months against Bluetooth Data Logger's every 58 months. Bluetooth Data Logger's advantage is iOS requirement (12.0 vs 16.4). 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, Primary Maths Hub every 4 months. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Bluetooth Data Logger | Primary Maths Hub |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 41 MB | 55 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TTS Group Limited](https://appshunter.io/developer/500131642) | [Primary Maths Hub](https://appshunter.io/developer/1869461991) |

## 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


### Primary Maths Hub

[App page](https://appshunter.io/ios/app/primary-maths-hub-mtc/id6757889158)

**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 Primary Maths Hub free?

Primary Maths Hub is free to download, with no in-app purchases.

### Do Bluetooth Data Logger or Primary Maths Hub have ads?

Neither Bluetooth Data Logger nor Primary Maths Hub shows ads.

### Which is updated more often, Bluetooth Data Logger or Primary Maths Hub?

Bluetooth Data Logger ships an update every 58 months, and Primary Maths Hub every 4 months. Most recently, Bluetooth Data Logger was updated on October 3, 2026 and Primary Maths Hub on October 1, 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.*