# SAYGO4.0 vs 유치원 알리미

The clearest difference is ads: SAYGO4.0 at none against 유치원 알리미's shown. SAYGO4.0 also leads on review sentiment (24% vs 0%) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

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. Both last shipped on October 24, 2026.

## The numbers

| Metric | SAYGO4.0 | 유치원 알리미 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **24.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 68 MB |
| Requires iOS | 14.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAYPENELECTRONICS Co., Ltd.](https://appshunter.io/developer/1271991131) | [CHANG DEOK KIM](https://appshunter.io/developer/1691984952) |

## What reviewers say

### SAYGO4.0

[App page](https://appshunter.io/ios/app/saygo40/id1271991132)

This app allows users to stream educational video content and audio from Saypen devices without downloads. It offers a "Ten Ten Education System" for enhanced learning efficiency and focus. The app supports a simple three-step process for easy access to learning materials anytime, anywhere.

**Highlights:** Stream video and audio content, No download required, Ten Ten Education System, Easy three-step access, Home-schooling support, Bluetooth connectivity with Saypen

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

**In-app purchases:** none


### 유치원 알리미

[App page](https://appshunter.io/ios/app/id6478221093)

This app provides detailed and transparent information on national and private kindergartens, sourced directly from official government data. It helps parents easily find and compare kindergartens based on location, facilities, staff, curriculum, meals, and safety.

**Highlights:** Official government data integration, Location-based search (map & list), Detailed kindergarten profiles, Information on facilities, staff, and curriculum, Meal and safety information, Recent and favorite kindergarten lists

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

**In-app purchases:** none


## Frequently asked questions

### Is SAYGO4.0 free?

SAYGO4.0 is free to download, with no in-app purchases.

### Is 유치원 알리미 free?

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

### Do SAYGO4.0 or 유치원 알리미 have ads?

유치원 알리미 shows ads; SAYGO4.0 does not.

### Which is updated more often, SAYGO4.0 or 유치원 알리미?

SAYGO4.0 ships an update every 2 months, and 유치원 알리미 every 2 months. Most recently, SAYGO4.0 was updated on October 24, 2026 and 유치원 알리미 on October 24, 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.*