# Khmer Angkor vs Protoboard Designer

The clearest difference is in-app purchases: Khmer Angkor at none against Protoboard Designer's 2. Khmer Angkor also leads on iOS requirement (12.0 vs 15.0). Protoboard Designer's advantage is update cadence (every 5 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Protoboard Designer sells 2 in-app purchases, starting at $5.99 per month. Khmer Angkor asks for nothing beyond the download.

Khmer Angkor ships an update every 2 months, Protoboard Designer every 5 days. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Khmer Angkor | Protoboard Designer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 52 MB | 51 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KHMER ANGKOR ENGINEERING INDUSTRY CO., LTD.](https://appshunter.io/developer/1646775812) | [Protoboard Designer Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1095600199) |

## What reviewers say

### Khmer Angkor

[App page](https://appshunter.io/ios/app/khmer-angkor/id6443515435)

**Features:** macOS Compatibility

**In-app purchases:** none


### Protoboard Designer

[App page](https://appshunter.io/ios/app/protoboard-designer-pcb-cad/id6799526213)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Maker | $5.99 | per month |
| Engineer | $12.99 | per month |


## Frequently asked questions

### Is Khmer Angkor free?

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

### Is Protoboard Designer free?

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

### Do Khmer Angkor or Protoboard Designer have ads?

Neither Khmer Angkor nor Protoboard Designer shows ads.

### Which is updated more often, Khmer Angkor or Protoboard Designer?

Khmer Angkor ships an update every 2 months, and Protoboard Designer every 5 days. Most recently, Khmer Angkor was updated on October 8, 2026 and Protoboard Designer on October 24, 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.*