# 오늘치 vs Proof

The clearest difference is update cadence: Proof at every 2 days against 오늘치's every 10 days. 오늘치's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 오늘치 sells 1 one-off in-app purchase and Proof sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

오늘치 ships an update every 10 days, Proof every 2 days. The most recent releases landed on October 31, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 오늘치 | Proof |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 41 MB | 18 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Junho Kim](https://appshunter.io/developer/6779292453) | [hyeongsik cho](https://appshunter.io/developer/6786529134) |

## What reviewers say

### 오늘치

[App page](https://appshunter.io/ios/app/id6779292451)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oneulchi PLUS Lifetime Access | $4.99 | one-time |


### Proof

[App page](https://appshunter.io/ios/app/proof/id6786529132)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proof Pro 월간 구독 | $2.99 | per month |
| Proof Pro 월간 구독 | $19.99 | per year |


## Frequently asked questions

### Is 오늘치 free?

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

### Is Proof free?

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

### Do 오늘치 or Proof have ads?

Neither 오늘치 nor Proof shows ads.

### Which is updated more often, 오늘치 or Proof?

오늘치 ships an update every 10 days, and Proof every 2 days. Most recently, 오늘치 was updated on October 31, 2026 and Proof on November 2, 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.*