# Digital Image Processing BSCS vs Wengu

The clearest difference is ads: Wengu at none against Digital Image Processing BSCS's shown. Wengu also leads on update cadence (every 5 days vs every 3 weeks). Digital Image Processing BSCS's advantage is iOS requirement (12.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Digital Image Processing BSCS sells 7 in-app purchases, starting at $4.99 per month and Wengu sells 3 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Digital Image Processing BSCS ships an update every 3 weeks, Wengu every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Digital Image Processing BSCS | Wengu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/digital-image-processing-bscs/id1581426640/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 38 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [Carlos Efrain Pinto Urtubia](https://appshunter.io/developer/6795411203) |

## What reviewers say

### Digital Image Processing BSCS

[App page](https://appshunter.io/ios/app/digital-image-processing-bscs/id1581426640)

This app offers a comprehensive quiz experience for digital image processing, covering over 700 computer science MCQs. It serves as a revision guide with detailed notes and answers, suitable for online learning and self-assessment.

**Highlights:** 700+ image processing quiz questions, Computer science MCQs, Self-assessment tests, Revision notes with answers, Covers 10 key image processing chapters, Suitable for online learning

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Package | $4.99 | per month |
| 3 Months Package | $9.99 | per 3 months |
| 6 Months Package | $14.99 | per 6 months |
| 1 Year Package | $19.99 | per year |
| 1500 Coins | $0.99 | one-time |
| 3500 Coins | $1.99 | one-time |
| 6000 Coins | $2.99 | one-time |


### Wengu

[App page](https://appshunter.io/ios/app/wengu-hsk-chinese-flashcards/id6795411201)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wengu Complete — Monthly | $8.99 | per month |
| Wengu Complete -- Yearly | $49.99 | per year |
| Wengu Complete — Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Digital Image Processing BSCS free?

Digital Image Processing BSCS is free to download, with in-app purchases available.

### Is Wengu free?

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

### Do Digital Image Processing BSCS or Wengu have ads?

Digital Image Processing BSCS shows ads; Wengu does not.

### Which is updated more often, Digital Image Processing BSCS or Wengu?

Digital Image Processing BSCS ships an update every 3 weeks, and Wengu every 5 days. Most recently, Digital Image Processing BSCS was updated on October 24, 2026 and Wengu 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.*