# C/C++ LLVM Clang vs Reduce image size

The clearest difference is ads: C/C++ LLVM Clang at none against Reduce image size's shown. C/C++ LLVM Clang also leads on review sentiment (85% vs 60%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. C/C++ LLVM Clang sells 7 one-off in-app purchases and Reduce image size sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.3 for C/C++ LLVM Clang against 4.3 for Reduce image size. Both are backed by a comparable volume of ratings — 50 and 72 respectively. Written reviews are what separate them: 85% of C/C++ LLVM Clang's written reviews are positive against 60% of Reduce image size's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | C/C++ LLVM Clang | Reduce image size |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (50 ratings)](https://appshunter.io/ios/app/cc-plus-plus-llvm-clang/id1016290003/reviews)** | [4.3 (72 ratings)](https://appshunter.io/ios/app/reduce-image-size-resizer/id1614646280/reviews) |
| Number of ratings | 50 | **72** |
| Positive reviews | **84.8% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 137 MB | 14 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [小文 黄](https://appshunter.io/developer/490328393) | [Sounak Sarkar](https://appshunter.io/developer/938584928) |

## What reviewers say

### C/C++ LLVM Clang

[App page](https://appshunter.io/ios/app/cc-plus-plus-llvm-clang/id1016290003)

This tool facilitates C/C++ learning and development with offline compilation, code assistance, and cloud storage. It offers features like code templates, autocompletion, and Git integration for efficient programming and collaboration.

**Highlights:** Offline LLVM+Clang compilation and execution, Code templates and autocompletion, Git fetching from Gitee and GitHub, iCloud storage and multi-device sync, LAN HTTP/FTP file transfer, Built-in browser for learning materials, File management and compression

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| To remove ads | $0.99 | one-time |
| Autocomplete | $0.99 | one-time |
| Password Service | $0.99 | one-time |
| Encryption Compression | $0.99 | one-time |
| Simple Vedio | $0.99 | one-time |
| Text Search | $0.99 | one-time |
| File Transfer | $1.99 | one-time |


### Reduce image size

[App page](https://appshunter.io/ios/app/reduce-image-size-resizer/id1614646280)

Easily resize and compress images and videos to optimize file sizes for sharing or storage. Supports batch processing, various formats, and offers customizable settings for quality and dimensions.

**Highlights:** Image resizing, Image compression, Video resizing, Video compression, Image format conversion, Batch processing, Customizable settings

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $5.99 | per year |
| Remove all advertisements | $0.99 | one-time |


## Frequently asked questions

### Is C/C++ LLVM Clang free?

C/C++ LLVM Clang is free to download, with in-app purchases available.

### Is Reduce image size free?

Reduce image size is free to download, with in-app purchases available.

### Which has better reviews, C/C++ LLVM Clang or Reduce image size?

C/C++ LLVM Clang is rated higher. C/C++ LLVM Clang averages 4.3 out of 5 from 50 ratings, while Reduce image size averages 4.3 from 72 ratings.

### Do C/C++ LLVM Clang or Reduce image size have ads?

Reduce image size shows ads; C/C++ LLVM Clang does not.

### Which is updated more often, C/C++ LLVM Clang or Reduce image size?

C/C++ LLVM Clang ships an update every 2 months, and Reduce image size every 2 months. Most recently, C/C++ LLVM Clang was updated on October 26, 2026 and Reduce image size on October 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.*