# 작심삼일 vs Tbox

The clearest difference is in-app purchases: 작심삼일 at none against Tbox's 3. 작심삼일 also leads on update cadence (every 2 days vs every 4 months) and iOS requirement (12.0 vs 16.0). Tbox's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Tbox sells 3 in-app purchases, starting at $2.99 per month. 작심삼일 asks for nothing beyond the download.

작심삼일 ships an update every 2 days, Tbox every 4 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | 작심삼일 | Tbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 4 months |
| Size | 45 MB | 145 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pathfinder, Incorporated](https://appshunter.io/developer/1688966386) | [devYUL studio](https://appshunter.io/developer/1832267090) |

## What reviewers say

### 작심삼일

[App page](https://appshunter.io/ios/app/id6757416865)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tbox

[App page](https://appshunter.io/ios/app/tbox-timebox-planner/id6760289790)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tbox Pro Monthly | $2.99 | per month |
| Tbox Pro 연간 | $29.99 | per year |
| Tbox Pro Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is 작심삼일 free?

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

### Is Tbox free?

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

### Do 작심삼일 or Tbox have ads?

작심삼일 shows ads; Tbox does not.

### Which is updated more often, 작심삼일 or Tbox?

작심삼일 ships an update every 2 days, and Tbox every 4 months. Most recently, 작심삼일 was updated on October 31, 2026 and Tbox on October 31, 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.*