# Smart Khmer Dictionary vs EngineeringEdge App

The clearest difference is ads: EngineeringEdge App at none against Smart Khmer Dictionary's shown. EngineeringEdge App also leads on iOS requirement (15.5 vs 17). Smart Khmer Dictionary's advantage is update cadence (every 5 months vs every 18 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Smart Khmer Dictionary sells 5 in-app purchases, starting at $0.99 per month and EngineeringEdge App sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Smart Khmer Dictionary ships an update every 5 months, EngineeringEdge App every 18 months. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Smart Khmer Dictionary | EngineeringEdge App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 18 months |
| Size | 60 MB | 146 MB |
| Requires iOS | 17 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Md Shihab Uddin](https://appshunter.io/developer/1602142430) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### Smart Khmer Dictionary

[App page](https://appshunter.io/ios/app/smart-khmer-dictionary/id1606880811)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads for a month | $0.99 | per month |
| Remove ads for 2 months | $1.99 | per 2 months |
| Remove ads for 3 months | $2.99 | per 3 months |
| Remove ads for 6 months | $3.99 | per 6 months |
| Remove ads for a year | $4.99 | per year |


### EngineeringEdge App

[App page](https://appshunter.io/ios/app/engineeringedge-app/id6504725128)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AZ | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BI | $59.99 | one-time |
| Package - BJ | $59.99 | one-time |
| Package - BL | $69.99 | one-time |
| Package - BK | $69.99 | one-time |


## Frequently asked questions

### Is Smart Khmer Dictionary free?

Smart Khmer Dictionary is free to download, with in-app purchases available.

### Is EngineeringEdge App free?

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

### Do Smart Khmer Dictionary or EngineeringEdge App have ads?

Smart Khmer Dictionary shows ads; EngineeringEdge App does not.

### Which is updated more often, Smart Khmer Dictionary or EngineeringEdge App?

Smart Khmer Dictionary ships an update every 5 months, and EngineeringEdge App every 18 months. Most recently, Smart Khmer Dictionary was updated on September 27, 2026 and EngineeringEdge App on October 7, 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.*