# J력 vs Challbit

The clearest difference is in-app purchases: J력 at none against Challbit's 3. Challbit's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Challbit sells 3 in-app purchases, starting at $0.99 per month. J력 asks for nothing beyond the download.

J력 ships an update every 6 weeks, Challbit every 5 weeks. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | J력 | Challbit |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 47 MB | 78 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [주식회사 소프트스퀘어드](https://appshunter.io/developer/1461653937) | [Han Byul Yang](https://appshunter.io/developer/1798491961) |

## What reviewers say

### 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


### Challbit

[App page](https://appshunter.io/ios/app/challbit-ai-habit-tracker/id6742456135)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium 3Month | $2.79 | per 3 months |
| Premium Yearly | $10.90 | per year |


## Frequently asked questions

### Is J력 free?

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

### Is Challbit free?

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

### Do J력 or Challbit have ads?

Neither J력 nor Challbit shows ads.

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

J력 ships an update every 6 weeks, and Challbit every 5 weeks. Most recently, J력 was updated on October 6, 2026 and Challbit on October 13, 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.*