# 밀로그 vs One Second Run

The clearest difference is in-app purchases: 밀로그 at none against One Second Run's 1. 밀로그 also leads on ads (none vs shown). One Second Run's advantage is update cadence (every 5 days vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. One Second Run sells 1 one-off in-app purchase. 밀로그 asks for nothing beyond the download.

밀로그 ships an update every 4 months, One Second Run every 5 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 밀로그 | One Second Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/id1616517474/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 45 MB | 64 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HYEYOUNG CHANG](https://appshunter.io/developer/1611029737) | [SEONGHOON JEON](https://appshunter.io/developer/1727059032) |

## What reviewers say

### 밀로그

[App page](https://appshunter.io/ios/app/id1616517474)

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

**In-app purchases:** none


### One Second Run

[App page](https://appshunter.io/ios/app/one-second-run/id6763670652)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |


## Frequently asked questions

### Is 밀로그 free?

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

### Is One Second Run free?

One Second Run is free to download, with in-app purchases available.

### Do 밀로그 or One Second Run have ads?

One Second Run shows ads; 밀로그 does not.

### Which is updated more often, 밀로그 or One Second Run?

밀로그 ships an update every 4 months, and One Second Run every 5 days. Most recently, 밀로그 was updated on November 7, 2026 and One Second Run 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.*