# C Programming vs Java Data Structures & Algo

The clearest difference is in-app purchases: Java Data Structures & Algo at none against C Programming's 6. C Programming's advantage is update cadence (weekly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. C Programming sells 6 in-app purchases, starting at $7.99 per 7 days. Java Data Structures & Algo asks for nothing beyond the download.

C Programming ships an update weekly, Java Data Structures & Algo every 3 months. The most recent releases landed on September 11, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | C Programming | Java Data Structures & Algo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 26 MB | 18 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### C Programming

[App page](https://appshunter.io/ios/app/c-programming-quiz/id6755839135)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $7.99 | per 7 days |
| 1 Month | $19.99 | per month |
| 1 Year | $29.99 | per year |
| 1500 | $1.99 | one-time |
| 3500 | $2.99 | one-time |
| 9000 | $4.99 | one-time |


### Java Data Structures & Algo

[App page](https://appshunter.io/ios/app/java-data-structures-and-algo/id6756706722)

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

**In-app purchases:** none


## Frequently asked questions

### Is C Programming free?

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

### Is Java Data Structures & Algo free?

Java Data Structures & Algo is free to download, with no in-app purchases.

### Do C Programming or Java Data Structures & Algo have ads?

Neither C Programming nor Java Data Structures & Algo shows ads.

### Which is updated more often, C Programming or Java Data Structures & Algo?

C Programming ships an update weekly, and Java Data Structures & Algo every 3 months. Most recently, C Programming was updated on September 11, 2026 and Java Data Structures & Algo on August 27, 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.*