# Trigonometric Equations vs Learn Electronics

The clearest difference is update cadence: Learn Electronics at every 6 months against Trigonometric Equations's every 20 months. Trigonometric Equations's advantage is price ($0.99 vs $1.99) and iOS requirement (9.0 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

Trigonometric Equations costs $0.99 and Learn Electronics $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trigonometric Equations ships an update every 20 months, Learn Electronics every 6 months. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Trigonometric Equations | Learn Electronics |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | — | **[1.8 (5 ratings)](https://appshunter.io/ios/app/learn-electronics-offline/id1575215166/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 7.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 6 months** |
| Monetization | — | Paid |
| Size | 10 MB | 33 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FadiSoft Inc.](https://appshunter.io/developer/721334526) | [Saqib Masood](https://appshunter.io/developer/1555852546) |

## What reviewers say

### Trigonometric Equations

[App page](https://appshunter.io/ios/app/trigonometric-equations/id927622565)

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

**In-app purchases:** none


### Learn Electronics

[App page](https://appshunter.io/ios/app/learn-electronics-offline/id1575215166)

This app provides comprehensive tutorials for learning electronics, from basic concepts to advanced topics. It covers fundamental components, circuit design, and various branches of electronics, making it accessible for beginners and those interested in practical applications.

**Highlights:** Beginner to advanced electronics tutorials, Covers basic components and circuit design, Explains electrical current, voltage, and resistance, Includes topics like semiconductors and amplifiers, Demystifies practical electronics, Learn to read schematics and build circuits

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

**In-app purchases:** none


## Frequently asked questions

### Is Trigonometric Equations free?

Trigonometric Equations costs $0.99, with no in-app purchases.

### Is Learn Electronics free?

Learn Electronics costs $1.99, with no in-app purchases.

### Do Trigonometric Equations or Learn Electronics have ads?

Neither Trigonometric Equations nor Learn Electronics shows ads.

### Which is updated more often, Trigonometric Equations or Learn Electronics?

Trigonometric Equations ships an update every 20 months, and Learn Electronics every 6 months. Most recently, Trigonometric Equations was updated on September 21, 2026 and Learn Electronics on September 17, 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.*