# C vs Devzone One

The clearest difference is update cadence: C at every 3 weeks against Devzone One's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

C ships an update every 3 weeks, Devzone One every 3 months. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | C | Devzone One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/c-thainguyen/id1551933447/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 36.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 129 MB | 35 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [VIETTEL BUSINESS SOLUTIONS CORPORATION – BRANCH OF VIETTEL GROUP](https://appshunter.io/developer/953409998) | [DEVZONE RESEARCH AND DEVELOPMENT JOINT STOCK COMPANY](https://appshunter.io/developer/1650180183) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-thainguyen/id1551933447)

This app allows citizens and businesses to report violations to authorities. It facilitates quick management, tracking, and processing of these reports by relevant agencies.

**Highlights:** Submit violation reports, Account registration and management, Report processing, Alert management, View statistics, Task processing, Interaction and exchange

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

**In-app purchases:** none


### Devzone One

[App page](https://appshunter.io/ios/app/devzone-one/id6751738137)

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

**In-app purchases:** none


## Frequently asked questions

### Is C free?

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

### Is Devzone One free?

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

### Do C or Devzone One have ads?

Neither C nor Devzone One shows ads.

### Which is updated more often, C or Devzone One?

C ships an update every 3 weeks, and Devzone One every 3 months. Most recently, C was updated on November 11, 2026 and Devzone One on October 30, 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.*