# Electrical Formulas Quiz vs Experimenters Circuits

The clearest difference is in-app purchases: Experimenters Circuits at none against Electrical Formulas Quiz's 3. Experimenters Circuits also leads on update cadence (every 3 days vs every 3 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Electrical Formulas Quiz sells 3 in-app purchases, starting at $7.99 per 7 days. Experimenters Circuits asks for nothing beyond the download.

Electrical Formulas Quiz ships an update every 3 months, Experimenters Circuits every 3 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Electrical Formulas Quiz | Experimenters Circuits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/electrical-formulas-quiz/id6754638500/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 160 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [VIKTOR GRIGOREV](https://appshunter.io/developer/1847172013) |

## What reviewers say

### Electrical Formulas Quiz

[App page](https://appshunter.io/ios/app/electrical-formulas-quiz/id6754638500)

Master electrical calculations with this comprehensive quiz app. Test your knowledge on a vast array of electrical formulas, from basic concepts to complex AC circuits. Ideal for students and professionals seeking to reinforce their understanding.

**Highlights:** Extensive formula coverage, Interactive quizzes, Quick reference tool, Covers AC and DC circuits, Impedance and power factor calculations, 3-phase power analysis

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $7.99 | per 7 days |
| Month | $19.99 | per month |
| Year | $29.99 | per year |


### Experimenters Circuits

[App page](https://appshunter.io/ios/app/experimenters-circuits/id6818996129)

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Formulas Quiz free?

Electrical Formulas Quiz is free to download, with in-app purchases available.

### Is Experimenters Circuits free?

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

### Do Electrical Formulas Quiz or Experimenters Circuits have ads?

Neither Electrical Formulas Quiz nor Experimenters Circuits shows ads.

### Which is updated more often, Electrical Formulas Quiz or Experimenters Circuits?

Electrical Formulas Quiz ships an update every 3 months, and Experimenters Circuits every 3 days. Most recently, Electrical Formulas Quiz was updated on October 28, 2026 and Experimenters Circuits on October 29, 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.*