# ThinkingMistakes vs Electrical Tools & Reference

The clearest difference is in-app purchases: ThinkingMistakes at none against Electrical Tools & Reference's 2. Electrical Tools & Reference's advantage is iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Electrical Tools & Reference sells 2 in-app purchases, starting at $2.99 per month. ThinkingMistakes asks for nothing beyond the download.

## The numbers

| Metric | ThinkingMistakes | Electrical Tools & Reference |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 18 MB | 88 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Jan Thiele](https://appshunter.io/developer/415601630) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## What reviewers say

### ThinkingMistakes

[App page](https://appshunter.io/ios/app/thinkingmistakes/id1578182990)

**In-app purchases:** none


### Electrical Tools & Reference

[App page](https://appshunter.io/ios/app/electrical-tools-and-reference/id6746714702)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Lifetime Premium | $3.99 | one-time |


## Frequently asked questions

### Is ThinkingMistakes free?

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

### Is Electrical Tools & Reference free?

Electrical Tools & Reference is free to download, with in-app purchases available.

### Do ThinkingMistakes or Electrical Tools & Reference have ads?

Neither ThinkingMistakes nor Electrical Tools & Reference 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.*