# 제로고 vs J력

The clearest difference is update cadence: 제로고 at weekly against J력's every 6 weeks. 제로고 also leads on iOS requirement (9.0 vs 17.0). 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.

제로고 ships an update weekly, J력 every 6 weeks. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 제로고 | J력 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | — | Free |
| Size | 44 MB | 47 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zeroweb](https://appshunter.io/developer/918003237) | [주식회사 소프트스퀘어드](https://appshunter.io/developer/1461653937) |

## What reviewers say

### 제로고

[App page](https://appshunter.io/ios/app/zerogo/id1457800901)

**Features:** macOS Compatibility

**In-app purchases:** none


### J력

[App page](https://appshunter.io/ios/app/j/id1614992134)

This app helps you cultivate your personal 'J-power' in areas like work, health, and career. Set daily tasks based on your goals, utilize goal templates, and automatically defer unfinished tasks to the next day. Complete missions to increase your J-power.

**Highlights:** Add daily to-dos, Goal templates for guidance, Automatic task deferral, Missions to increase J-power, Checklist task management

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

**In-app purchases:** none


## Frequently asked questions

### Is 제로고 free?

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

### Is J력 free?

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

### Do 제로고 or J력 have ads?

Neither 제로고 nor J력 shows ads.

### Which is updated more often, 제로고 or J력?

제로고 ships an update weekly, and J력 every 6 weeks. Most recently, 제로고 was updated on October 26, 2026 and J력 on October 6, 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.*