# Battery Calculator & Converter vs Electronics Reference Toolkit

The clearest difference is in-app purchases: Electronics Reference Toolkit at none against Battery Calculator & Converter's 1. Electronics Reference Toolkit also leads on ratings volume (12 vs 1). Battery Calculator & Converter's advantage is rating (5.0 vs 4.8) and device support (3 vs 1). On price, ads and monetization model there is nothing between them.

Both are free to download. Battery Calculator & Converter sells 1 one-off in-app purchase. Electronics Reference Toolkit asks for nothing beyond the download.

Battery Calculator & Converter holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Electronics Reference Toolkit has 12 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Battery Calculator & Converter | Electronics Reference Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/battery-calculator-and-converter/id6755130177/reviews)** | [4.8 (12 ratings)](https://appshunter.io/ios/app/electronics-reference-toolkit/id6757098692/reviews) |
| Number of ratings | 1 | **12** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | Free | Free |
| Size | 33 MB | 7 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) | [Ha Do Thi Thu](https://appshunter.io/developer/1707030622) |

## What reviewers say

### Battery Calculator & Converter

[App page](https://appshunter.io/ios/app/battery-calculator-and-converter/id6755130177)

This app simplifies battery planning and comparison by calculating runtime, capacity, and energy needs. It converts between various battery metrics and offers tools for project design, troubleshooting, and power exploration.

**Highlights:** Calculate battery runtime with Peukert exponent, Estimate cranking amps vs temperature, Determine alternator/charger time to full, Calculate inverter runtime and surge demand, Estimate battery state-of-charge from OCV, Predict solar recharge time, Convert between Ah and Wh, Size DC-DC chargers, Plan series-parallel battery banks, Calculate voltage drop and recommend wire gauge

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $3.99 | one-time |


### 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, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Battery Calculator & Converter free?

Battery Calculator & Converter 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.

### Which has better reviews, Battery Calculator & Converter or Electronics Reference Toolkit?

Battery Calculator & Converter is rated higher. Battery Calculator & Converter averages 5.0 out of 5 from 1 ratings, while Electronics Reference Toolkit averages 4.8 from 12 ratings.

### Do Battery Calculator & Converter or Electronics Reference Toolkit have ads?

Neither Battery Calculator & Converter nor Electronics Reference Toolkit shows ads.

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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.*