# 세컨드 윈드 vs H.AI(하이)

세컨드 윈드 and H.AI(하이) are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 세컨드 윈드 | H.AI(하이) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 119 MB | 96 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Medi Plus Solution Co.,Ltd](https://appshunter.io/developer/1247358246) | [Sphere Corp.](https://appshunter.io/developer/590403866) |

## What reviewers say

### 세컨드 윈드

[App page](https://appshunter.io/ios/app/id1303426423)

This app provides personalized health management based on your medical history and lifestyle. It offers tools for tracking blood sugar, blood pressure, exercise, meals, weight, medication, and sleep. Connect with experts for personalized guidance and information.

**Highlights:** Personalized health analysis, Blood sugar and pressure tracking, Customized exercise and meal plans, Medication and weight management, Expert health consultations, Sleep and stress monitoring

**In-app purchases:** none


### H.AI(하이)

[App page](https://appshunter.io/ios/app/hai/id1554824039)

**In-app purchases:** none


## Frequently asked questions

### Is 세컨드 윈드 free?

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

### Is H.AI(하이) free?

H.AI(하이) is free to download, with no in-app purchases.

### Do 세컨드 윈드 or H.AI(하이) have ads?

Neither 세컨드 윈드 nor H.AI(하이) shows ads.

### Which is updated more often, 세컨드 윈드 or H.AI(하이)?

세컨드 윈드 ships an update every 2 months, and H.AI(하이) every 2 months. Most recently, 세컨드 윈드 was updated on October 14, 2026 and H.AI(하이) on October 25, 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.*