# Codeclock vs 30 Days Coding

The clearest difference is in-app purchases: Codeclock at none against 30 Days Coding's 3. 30 Days Coding's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 30 Days Coding sells 3 one-off in-app purchases. Codeclock asks for nothing beyond the download.

Codeclock ships an update every 3 months, 30 Days Coding every 3 weeks. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Codeclock | 30 Days Coding |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 46 MB | 275 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Naman Anand](https://appshunter.io/developer/1682061807) | [Deepanshu Udhwani](https://appshunter.io/developer/1705860109) |

## What reviewers say

### Codeclock

[App page](https://appshunter.io/ios/app/codeclock-coding-calendar/id6447638088)

This app helps competitive programmers track coding contests from major platforms. It provides a comprehensive schedule, allows users to set reminders, and integrates with their device's calendar to prevent missed events.

**Highlights:** Comprehensive contest schedule, Support for major platforms (Codechef, Codeforces, LeetCode), Set contest reminders, Add contests to device calendar, User-friendly interface

**In-app purchases:** none


### 30 Days Coding

[App page](https://appshunter.io/ios/app/30-days-coding/id6464376833)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| next js | $4.99 | one-time |
| mern | $4.99 | one-time |
| fullstack | $4.99 | one-time |


## Frequently asked questions

### Is Codeclock free?

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

### Is 30 Days Coding free?

30 Days Coding is free to download, with in-app purchases available.

### Do Codeclock or 30 Days Coding have ads?

Neither Codeclock nor 30 Days Coding shows ads.

### Which is updated more often, Codeclock or 30 Days Coding?

Codeclock ships an update every 3 months, and 30 Days Coding every 3 weeks. Most recently, Codeclock was updated on November 3, 2026 and 30 Days Coding on November 10, 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.*