# Bluetooth vs Electronics Reference Toolkit

The clearest difference is in-app purchases: Electronics Reference Toolkit at none against Bluetooth's 2. Electronics Reference Toolkit also leads on update cadence (fortnightly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Bluetooth sells 2 in-app purchases, starting at $1.99 per 7 days. Electronics Reference Toolkit asks for nothing beyond the download.

Bluetooth ships an update every 6 weeks, Electronics Reference Toolkit fortnightly. The most recent releases landed on September 8, 2026 and July 16, 2026 respectively.

## The numbers

| Metric | Bluetooth | Electronics Reference Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (7 ratings)](https://appshunter.io/ios/app/electronics-reference-toolkit/id6757098692/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 27 MB | 7 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Doan Ha Vuong](https://appshunter.io/developer/1724980109) | [Ha Do Thi Thu](https://appshunter.io/developer/1707030622) |

## What reviewers say

### Bluetooth

[App page](https://appshunter.io/ios/app/bluetooth-track-device-ble/id6752617003)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bluetooth+Weekly | $1.99 | per 7 days |
| Bluetooth+Yearly | $24.99 | per year |


### Electronics Reference Toolkit

[App page](https://appshunter.io/ios/app/electronics-reference-toolkit/id6757098692)

This app provides a comprehensive suite of tools for electronics calculations and reference. It includes calculators for resistors, LEDs, capacitors, and voltage dividers, along with a unit converter and transistor database. Designed for speed and offline use, it's ideal for students, hobbyists, and engineers.

**Highlights:** Resistor Calculator (4/5 band), Ohm's Law Calculator, LED Resistor Calculator, Capacitor Decoder, Voltage Divider Calculator, Unit Converter, Transistor Reference

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bluetooth free?

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

### Is Electronics Reference Toolkit free?

Electronics Reference Toolkit is free to download, with no in-app purchases.

### Do Bluetooth or Electronics Reference Toolkit have ads?

Neither Bluetooth nor Electronics Reference Toolkit shows ads.

### Which is updated more often, Bluetooth or Electronics Reference Toolkit?

Bluetooth ships an update every 6 weeks, and Electronics Reference Toolkit fortnightly. Most recently, Bluetooth was updated on September 8, 2026 and Electronics Reference Toolkit on July 16, 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.*