# Electrical Tools & Reference vs NotingDown

The clearest difference is in-app purchases: NotingDown at none against Electrical Tools & Reference's 2. Electrical Tools & Reference's advantage is iOS requirement (12.0 vs 16.6). On price, update cadence, 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. NotingDown asks for nothing beyond the download.

Electrical Tools & Reference ships an update every 3 weeks, NotingDown every 2 weeks. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Electrical Tools & Reference | NotingDown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 88 MB | 10 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) | [Sachin Kumar](https://appshunter.io/developer/6787703718) |

## What reviewers say

### 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 |


### NotingDown

[App page](https://appshunter.io/ios/app/notingdown-smart-notes/id6809989824)

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

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Tools & Reference free?

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

### Is NotingDown free?

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

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

Neither Electrical Tools & Reference nor NotingDown shows ads.

### Which is updated more often, Electrical Tools & Reference or NotingDown?

Electrical Tools & Reference ships an update every 3 weeks, and NotingDown every 2 weeks. Most recently, Electrical Tools & Reference was updated on October 19, 2026 and NotingDown on October 6, 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.*