# eWai vs Microelectronics

The clearest difference is in-app purchases: eWai at none against Microelectronics's 6. eWai also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). Microelectronics's advantage is update cadence (every 3 months vs every 20 months). On price and ads there is nothing between them.

Both are free to download. Microelectronics sells 6 in-app purchases, starting at $9.99 per month. eWai asks for nothing beyond the download.

eWai ships an update every 20 months, Microelectronics every 3 months. The most recent releases landed on August 31, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | eWai | Microelectronics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/microelectronics/id6739470018/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 56 MB | 18 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kiwa Digital Limited](https://appshunter.io/developer/336728313) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### eWai

[App page](https://appshunter.io/ios/app/ewai/id477051733)

Explore traditional Māori songs (waiata) with interactive learning tools. This app supports visual, auditory, tactile, and kinesthetic learning styles to deepen understanding of oral literature. Features include read-along options, recording capabilities, and coloring activities.

**Highlights:** Swipe-to-Read™, Read-to-me and read-it-yourself options, Record & Play narration, Color Paint mode, English translations and history, Supports multiple learning styles

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

**In-app purchases:** none


### Microelectronics

[App page](https://appshunter.io/ios/app/microelectronics/id6739470018)

Test your knowledge of circuits, semiconductors, and advanced microelectronic concepts with a vast quiz. Features dynamic difficulty, detailed explanations, and progress tracking to help you master the subject. Ideal for students, engineers, and enthusiasts.

**Highlights:** Thousands of questions, Dynamic difficulty levels, Detailed explanations, Progress tracking, Regular updates, Covers digital and analog circuits

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is eWai free?

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

### Is Microelectronics free?

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

### Do eWai or Microelectronics have ads?

Neither eWai nor Microelectronics shows ads.

### Which is updated more often, eWai or Microelectronics?

eWai ships an update every 20 months, and Microelectronics every 3 months. Most recently, eWai was updated on August 31, 2026 and Microelectronics on June 3, 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.*