# Electronic Circuit Design Quiz vs BitSpinner

The clearest difference is in-app purchases: BitSpinner at none against Electronic Circuit Design Quiz's 7. BitSpinner also leads on ads (none vs shown). Electronic Circuit Design Quiz's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (12.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Electronic Circuit Design Quiz sells 7 in-app purchases, starting at $4.99 per month. BitSpinner asks for nothing beyond the download.

Electronic Circuit Design Quiz ships an update every 3 weeks, BitSpinner every 4 months. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Electronic Circuit Design Quiz | BitSpinner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/electronic-circuit-design-quiz/id1584634216/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 8 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [Robert Lis](https://appshunter.io/developer/567589617) |

## What reviewers say

### Electronic Circuit Design Quiz

[App page](https://appshunter.io/ios/app/electronic-circuit-design-quiz/id1584634216)

Practice over 600 multiple-choice questions on electronic circuit design. This app offers self-assessment tests and revision notes covering various topics for engineering students and beginners. It functions as a study guide for online learning and exam preparation.

**Highlights:** 600+ circuit design MCQs, Self-assessment tests, Revision notes, Covers basic and advanced engineering topics, Chapter-wise quizzes, Free download

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Package | $4.99 | per month |
| 3 Months Package | $9.99 | per 3 months |
| 6 Months Package | $14.99 | per 6 months |
| 1 Year Package | $19.99 | per year |
| 1500 Coins | $0.99 | one-time |
| 3500 Coins | $1.99 | one-time |
| 6000 Coins | $2.99 | one-time |


### BitSpinner

[App page](https://appshunter.io/ios/app/bitspinner/id6761688095)

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

**In-app purchases:** none


## Frequently asked questions

### Is Electronic Circuit Design Quiz free?

Electronic Circuit Design Quiz is free to download, with in-app purchases available.

### Is BitSpinner free?

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

### Do Electronic Circuit Design Quiz or BitSpinner have ads?

Electronic Circuit Design Quiz shows ads; BitSpinner does not.

### Which is updated more often, Electronic Circuit Design Quiz or BitSpinner?

Electronic Circuit Design Quiz ships an update every 3 weeks, and BitSpinner every 4 months. Most recently, Electronic Circuit Design Quiz was updated on October 3, 2026 and BitSpinner on October 14, 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.*