# Electrical Tools & Reference vs Footing

The clearest difference is update cadence: Footing at every 6 days against Electrical Tools & Reference's every 3 weeks. Electrical Tools & Reference's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Electrical Tools & Reference sells 2 in-app purchases, starting at $2.99 per month and Footing sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

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

## The numbers

| Metric | Electrical Tools & Reference | Footing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 88 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) | [焕 徐](https://appshunter.io/developer/1896342391) |

## 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 |


### Footing

[App page](https://appshunter.io/ios/app/footing-construction-calc/id6767874256)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Footing Pro | $19.99 | one-time |


## Frequently asked questions

### Is Electrical Tools & Reference free?

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

### Is Footing free?

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

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

Neither Electrical Tools & Reference nor Footing shows ads.

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

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