# Optoelectronics vs Electronic Dictionary Concepts

The clearest difference is in-app purchases: Electronic Dictionary Concepts at none against Optoelectronics's 6. Electronic Dictionary Concepts also leads on iOS requirement (12.0 vs 17.0). Optoelectronics's advantage is ads (none vs shown). On price and device support there is nothing between them.

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

## The numbers

| Metric | Optoelectronics | Electronic Dictionary Concepts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | — |
| Size | 24 MB | 80 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [Raj Mehta](https://appshunter.io/developer/1714953061) |

## What reviewers say

### Optoelectronics

[App page](https://appshunter.io/ios/app/optoelectronics/id6739937611)

**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 |


### Electronic Dictionary Concepts

[App page](https://appshunter.io/ios/app/electronic-dictionary-concepts/id6743164050)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optoelectronics free?

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

### Is Electronic Dictionary Concepts free?

Electronic Dictionary Concepts is free to download, with no in-app purchases.

### Do Optoelectronics or Electronic Dictionary Concepts have ads?

Electronic Dictionary Concepts shows ads; Optoelectronics does not.

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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.*