# 시그노 vs Passive

The clearest difference is update cadence: 시그노 at every 4 days against Passive's every 9 days. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

시그노 ships an update every 4 days, Passive every 9 days. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 시그노 | Passive |
| --- | --- | --- |
| Price | — | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Size | 27 MB | 19 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Signo Co., Ltd.](https://appshunter.io/developer/1896329422) | [Sungsoo Park](https://appshunter.io/developer/6780892956) |

## What reviewers say

### 시그노

[App page](https://appshunter.io/ios/app/ai/id6766830238)

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

**In-app purchases:** none


### Passive

[App page](https://appshunter.io/ios/app/passive/id6780892954)

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

**In-app purchases:** none


## Frequently asked questions

### Is 시그노 free?

Pricing for 시그노 is not currently listed on the App Store.

### Is Passive free?

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

### Do 시그노 or Passive have ads?

Neither 시그노 nor Passive shows ads.

### Which is updated more often, 시그노 or Passive?

시그노 ships an update every 4 days, and Passive every 9 days. Most recently, 시그노 was updated on October 13, 2026 and Passive on October 8, 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.*