# Codeclock vs MasterJi

The clearest difference is update cadence: MasterJi at weekly against Codeclock's every 3 months. Codeclock's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Codeclock ships an update every 3 months, MasterJi weekly. The most recent releases landed on September 15, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Codeclock | MasterJi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/masterji-learn-and-code/id6753772146/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 46 MB | 47 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Naman Anand](https://appshunter.io/developer/1682061807) | [Hitesh Choudhary](https://appshunter.io/developer/1273049319) |

## 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


### MasterJi

[App page](https://appshunter.io/ios/app/masterji-learn-and-code/id6753772146)

Practice coding with curated problems, daily drops, and company-tagged sets. Engage in live multiplayer quizzes and community discussions. Track progress with XP, streaks, and badges. It's a free, ad-free platform for interview prep and skill development.

**Highlights:** In-app code editor with multi-language support, Daily problems and company-tagged question sets, Live multiplayer coding quizzes, Progress tracking with XP, streaks, and badges, Community Town Halls for real-time chat, Proof-based submissions and challenge rankings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Codeclock free?

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

### Is MasterJi free?

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

### Do Codeclock or MasterJi have ads?

Neither Codeclock nor MasterJi shows ads.

### Which is updated more often, Codeclock or MasterJi?

Codeclock ships an update every 3 months, and MasterJi weekly. Most recently, Codeclock was updated on September 15, 2026 and MasterJi on September 28, 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.*