# 미세먼지SOS vs 펄스 (Pulse)

The clearest difference is in-app purchases: 미세먼지SOS at none against 펄스 (Pulse)'s 22. 미세먼지SOS also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.6). 펄스 (Pulse)'s advantage is update cadence (weekly vs every 32 months). On price and ads there is nothing between them.

Both are free to download. 펄스 (Pulse) sells 19 in-app purchases, starting at $3.99 per month. 미세먼지SOS asks for nothing beyond the download.

미세먼지SOS ships an update every 32 months, 펄스 (Pulse) weekly. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 미세먼지SOS | 펄스 (Pulse) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 69.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 175 MB | 154 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Ecoplay Co., Ltd.](https://appshunter.io/developer/1497635995) | [Hudson AI](https://appshunter.io/developer/1798655568) |

## What reviewers say

### 미세먼지SOS

[App page](https://appshunter.io/ios/app/sos/id1469479883)

**Features:** macOS Compatibility

**In-app purchases:** none


### 펄스 (Pulse)

[App page](https://appshunter.io/ios/app/pulse-ai/id6742482134)

Engage in dynamic AI conversations that evolve with your emotions and choices. This chatbot remembers your interactions, adapts its personality, and builds a unique relationship, offering a personalized dating simulation experience.

**Highlights:** Emotionally intelligent AI responses, Evolving relationships based on conversation, Personalized character customization, Memory of past conversations, Daily life sharing features, Unpredictable story paths

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pass | $3.99 | per month |
| Romance Pass | $14.99 | per month |
| Pulse Plus Monthly Plan | $14.99 | per month |
| Pulse Plus Annual Subscription | $179.99 | per year |
| 이벤트 버블 충전 | $0.49 | one-time |
| 300 Bubbles (50%) | $1.00 | one-time |
| Limited-Time Bubble Option 1 | $1.99 | one-time |
| Limited-Time Bubble Option 2 | $1.99 | one-time |
| 900 Bubbles (50%) | $3.00 | one-time |
| 500 Bubbles | $3.99 | one-time |
| 900 Bubbles | $5.99 | one-time |
| 1700 Bubbles (50%) | $6.00 | one-time |
| 1200 Bubbles | $8.99 | one-time |
| 3200 Bubbles (50%) | $11.49 | one-time |
| 2500 Bubbles | $17.99 | one-time |
| 7900 Bubbles (50%) | $30.00 | one-time |
| 9900 Bubbles (50%) | $35.00 | one-time |
| 7900 Bubbles | $69.99 | one-time |
| 9900 Bubbles | $79.99 | one-time |


## Frequently asked questions

### Is 미세먼지SOS free?

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

### Is 펄스 (Pulse) free?

펄스 (Pulse) is free to download, with in-app purchases available.

### Do 미세먼지SOS or 펄스 (Pulse) have ads?

Neither 미세먼지SOS nor 펄스 (Pulse) shows ads.

### Which is updated more often, 미세먼지SOS or 펄스 (Pulse)?

미세먼지SOS ships an update every 32 months, and 펄스 (Pulse) weekly. Most recently, 미세먼지SOS was updated on October 17, 2026 and 펄스 (Pulse) on October 20, 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.*