# CloudLabs Sinusoidal Current vs Electrical Symbols Quiz

The clearest difference is in-app purchases: CloudLabs Sinusoidal Current at none against Electrical Symbols Quiz's 4. CloudLabs Sinusoidal Current also leads on update cadence (every 6 days vs every 2 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Electrical Symbols Quiz sells 4 in-app purchases, starting at $9.99 per month. CloudLabs Sinusoidal Current asks for nothing beyond the download.

CloudLabs Sinusoidal Current ships an update every 6 days, Electrical Symbols Quiz every 2 weeks. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | CloudLabs Sinusoidal Current | Electrical Symbols Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (21 ratings)](https://appshunter.io/ios/app/electrical-symbols-quiz/id6468240005/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 85 MB | 5 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### CloudLabs Sinusoidal Current

[App page](https://appshunter.io/ios/app/cloudlabs-sinusoidal-current/id1637720615)

**Features:** macOS Compatibility

**In-app purchases:** none


### Electrical Symbols Quiz

[App page](https://appshunter.io/ios/app/electrical-symbols-quiz/id6468240005)

Master electrical and circuit symbols with interactive quizzes. Ideal for students, electricians, and hobbyists, this app offers offline learning and practice for exams. Covers standard IEC/ANSI symbols.

**Highlights:** Interactive symbol quizzes, Covers IEC/ANSI standards, Offline functionality, Exam practice for electricians, Extensive symbol library

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| Year | $29.99 | per year |
| Unlock full access | $5.99 | one-time |


## Frequently asked questions

### Is CloudLabs Sinusoidal Current free?

CloudLabs Sinusoidal Current is free to download, with no in-app purchases.

### Is Electrical Symbols Quiz free?

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

### Do CloudLabs Sinusoidal Current or Electrical Symbols Quiz have ads?

Neither CloudLabs Sinusoidal Current nor Electrical Symbols Quiz shows ads.

### Which is updated more often, CloudLabs Sinusoidal Current or Electrical Symbols Quiz?

CloudLabs Sinusoidal Current ships an update every 6 days, and Electrical Symbols Quiz every 2 weeks. Most recently, CloudLabs Sinusoidal Current was updated on October 27, 2026 and Electrical Symbols Quiz on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*