# 은퇴자금 고갈 계산기 vs 위디

The clearest difference is in-app purchases: 은퇴자금 고갈 계산기 at none against 위디's 4. 위디's advantage is update cadence (every 6 days vs every 4 months) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. 위디 sells 4 in-app purchases, starting at $1.99 per month. 은퇴자금 고갈 계산기 asks for nothing beyond the download.

은퇴자금 고갈 계산기 ships an update every 4 months, 위디 every 6 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 은퇴자금 고갈 계산기 | 위디 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 6 days** |
| Size | 10 MB | 24 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Giwan Cho](https://appshunter.io/developer/1559417857) | [Andrew Studio](https://appshunter.io/developer/1896247126) |

## What reviewers say

### 은퇴자금 고갈 계산기

[App page](https://appshunter.io/ios/app/id6759487566)

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

**In-app purchases:** none


### 위디

[App page](https://appshunter.io/ios/app/id6766236251)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Withy PRO Monthly | $1.99 | per month |
| Withy PREMIUM Monthly | $1.99 | per month |
| Withy PRO Yearly | $14.99 | per year |
| Withy PREMIUM Yearly | $22.99 | per year |


## Frequently asked questions

### Is 은퇴자금 고갈 계산기 free?

은퇴자금 고갈 계산기 is free to download, with no in-app purchases.

### Is 위디 free?

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

### Do 은퇴자금 고갈 계산기 or 위디 have ads?

Both 은퇴자금 고갈 계산기 and 위디 show ads.

### Which is updated more often, 은퇴자금 고갈 계산기 or 위디?

은퇴자금 고갈 계산기 ships an update every 4 months, and 위디 every 6 days. Most recently, 은퇴자금 고갈 계산기 was updated on November 5, 2026 and 위디 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.*