# Electrical Certificate App vs AIMS ENGINEER

The clearest difference is in-app purchases: AIMS ENGINEER at none against Electrical Certificate App's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Electrical Certificate App sells 2 in-app purchases, starting at $19.99 per month. AIMS ENGINEER asks for nothing beyond the download.

Electrical Certificate App ships an update every 2 weeks, AIMS ENGINEER weekly. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Electrical Certificate App | AIMS ENGINEER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 47 MB | 31 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Trade Apps LTD](https://appshunter.io/developer/1293890969) | [Zhimeng Huang](https://appshunter.io/developer/550876452) |

## What reviewers say

### Electrical Certificate App

[App page](https://appshunter.io/ios/app/electrical-certificate-app/id1531731405)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $19.99 | per month |
| yearly Subscription | $199.99 | per year |


### AIMS ENGINEER

[App page](https://appshunter.io/ios/app/aims-engineer/id6450314064)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Certificate App free?

Electrical Certificate App is free to download, with in-app purchases available.

### Is AIMS ENGINEER free?

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

### Do Electrical Certificate App or AIMS ENGINEER have ads?

Neither Electrical Certificate App nor AIMS ENGINEER shows ads.

### Which is updated more often, Electrical Certificate App or AIMS ENGINEER?

Electrical Certificate App ships an update every 2 weeks, and AIMS ENGINEER weekly. Most recently, Electrical Certificate App was updated on September 8, 2026 and AIMS ENGINEER 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.*