# C Compiler vs StudyNest

The clearest difference is in-app purchases: StudyNest at none against C Compiler's 4. StudyNest also leads on ads (none vs shown) and update cadence (every 2 days vs every 4 months). On price and device support there is nothing between them.

Both are free to download. C Compiler sells 4 in-app purchases, starting at $2.99 per month. StudyNest asks for nothing beyond the download.

C Compiler ships an update every 4 months, StudyNest every 2 days. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | C Compiler | StudyNest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (112 ratings)](https://appshunter.io/ios/app/c-compiler/id1265577717/reviews)** | — |
| Number of ratings | **112** | — |
| Positive reviews | 58.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 29 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [sutheesh sukumaran](https://appshunter.io/developer/1262850647) | [Mohamed Hussein](https://appshunter.io/developer/1651112667) |

## What reviewers say

### C Compiler

[App page](https://appshunter.io/ios/app/c-compiler/id1265577717)

This application provides an integrated development environment for C programming, complete with an offline tutorial and sample programs. It features syntax recognition and auto-formatting to aid users in writing and running complex C code.

**Highlights:** Run complex C programs, Offline C tutorial, Sample C programs, Syntax recognition IDE, Auto text formatting IDE, File opening and saving

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| C Compiler Premium — Monthly | $2.99 | per month |
| C Compilar Premium — Yearly | $24.99 | per year |
| Remove Ads | $49.99 | one-time |
| LifeTime | $49.99 | one-time |


### StudyNest

[App page](https://appshunter.io/ios/app/studynest-focus-and-learn/id6760571376)

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

**In-app purchases:** none


## Frequently asked questions

### Is C Compiler free?

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

### Is StudyNest free?

StudyNest is free to download, with no in-app purchases.

### Do C Compiler or StudyNest have ads?

C Compiler shows ads; StudyNest does not.

### Which is updated more often, C Compiler or StudyNest?

C Compiler ships an update every 4 months, and StudyNest every 2 days. Most recently, C Compiler was updated on October 6, 2026 and StudyNest on October 5, 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.*