# C/C++ Offline compiler vs OLNA Test Prep

The clearest difference is update cadence: C/C++ Offline compiler at every 2 weeks against OLNA Test Prep's every 2 months. C/C++ Offline compiler also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. C/C++ Offline compiler sells 4 one-off in-app purchases and OLNA Test Prep sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

C/C++ Offline compiler ships an update every 2 weeks, OLNA Test Prep every 2 months. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | C/C++ Offline compiler | OLNA Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/cc-plus-plus-offline-compiler/id1506375410/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 366 MB | 145 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [凌云 蔡](https://appshunter.io/developer/1501463585) | [Alpha Beat Limited](https://appshunter.io/developer/1745742707) |

## What reviewers say

### C/C++ Offline compiler

[App page](https://appshunter.io/ios/app/cc-plus-plus-offline-compiler/id1506375410)

This application provides an integrated development environment for C/C++ programming, allowing users to compile and run code offline. It supports multiple file imports, standard input/output functions, and code formatting tools for a convenient mobile coding experience.

**Highlights:** Offline C/C++ compilation, Integrated Development Environment (IDE), Multiple file import support, Standard scanf/printf functions, Command line operation, One-click code formatting, Rich theme display

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月会员 | $0.99 | one-time |
| 一年会员 | $2.99 | one-time |
| 永久vip | $3.99 | one-time |
| One year vip | $9.99 | one-time |


### OLNA Test Prep

[App page](https://appshunter.io/ios/app/olna-test-prep-wace-practice/id6796005055)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Quarterly | $19.99 | per 3 months |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is C/C++ Offline compiler free?

C/C++ Offline compiler is free to download, with in-app purchases available.

### Is OLNA Test Prep free?

OLNA Test Prep is free to download, with in-app purchases available.

### Do C/C++ Offline compiler or OLNA Test Prep have ads?

Neither C/C++ Offline compiler nor OLNA Test Prep shows ads.

### Which is updated more often, C/C++ Offline compiler or OLNA Test Prep?

C/C++ Offline compiler ships an update every 2 weeks, and OLNA Test Prep every 2 months. Most recently, C/C++ Offline compiler was updated on October 18, 2026 and OLNA Test Prep on October 12, 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.*