# ExploreMath vs 香港電工筆試

The clearest difference is in-app purchases: ExploreMath at none against 香港電工筆試's 1. ExploreMath also leads on update cadence (every 6 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 香港電工筆試 sells 1 in-app purchase, starting at $49.99 per 3 months. ExploreMath asks for nothing beyond the download.

ExploreMath ships an update every 6 days, 香港電工筆試 every 2 weeks. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | ExploreMath | 香港電工筆試 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Size | 4 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kai Hin Tsoi](https://appshunter.io/developer/1618879551) | [Kau yan Store Limited](https://appshunter.io/developer/1884591990) |

## What reviewers say

### ExploreMath

[App page](https://appshunter.io/ios/app/exploremath/id1620810052)

**Features:** macOS Compatibility

**In-app purchases:** none


### 香港電工筆試

[App page](https://appshunter.io/ios/app/id6760467583)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 電工A牌模擬考試 Pro | $49.99 | per 3 months |


## Frequently asked questions

### Is ExploreMath free?

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

### Is 香港電工筆試 free?

香港電工筆試 is free to download, with in-app purchases available.

### Do ExploreMath or 香港電工筆試 have ads?

Neither ExploreMath nor 香港電工筆試 shows ads.

### Which is updated more often, ExploreMath or 香港電工筆試?

ExploreMath ships an update every 6 days, and 香港電工筆試 every 2 weeks. Most recently, ExploreMath was updated on November 7, 2026 and 香港電工筆試 on November 9, 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.*