# TFS정비 vs Willog

The clearest difference is iOS requirement: TFS정비 at 13.0 against Willog's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

TFS정비 ships an update every 2 weeks, Willog every 3 weeks. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | TFS정비 | Willog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 31 MB | 37 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SEONG HUN JEONG](https://appshunter.io/developer/6808116007) | [willog co., Ltd.](https://appshunter.io/developer/1543171395) |

## What reviewers say

### TFS정비

[App page](https://appshunter.io/ios/app/tfs/id6578435107)

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

**In-app purchases:** none


### Willog

[App page](https://appshunter.io/ios/app/willog/id6738574685)

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

**In-app purchases:** none


## Frequently asked questions

### Is TFS정비 free?

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

### Is Willog free?

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

### Do TFS정비 or Willog have ads?

Neither TFS정비 nor Willog shows ads.

### Which is updated more often, TFS정비 or Willog?

TFS정비 ships an update every 2 weeks, and Willog every 3 weeks. Most recently, TFS정비 was updated on October 17, 2026 and Willog on October 16, 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.*