# 그레이트북스 vs 아이플러스S

The clearest difference is update cadence: 아이플러스S at every 11 days against 그레이트북스's every 6 weeks. 아이플러스S also leads on review sentiment (20% vs 12%). On price, ads, 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.

그레이트북스 ships an update every 6 weeks, 아이플러스S every 11 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 그레이트북스 | 아이플러스S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (12 ratings)](https://appshunter.io/ios/app/id1618583288/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 11.5% of reviews | **20.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | — | Free |
| Size | 111 MB | 42 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greatbooks](https://appshunter.io/developer/1122917144) | [Userinsight Co., LTD.](https://appshunter.io/developer/573147316) |

## What reviewers say

### 그레이트북스

[App page](https://appshunter.io/ios/app/id1618583288)

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

**In-app purchases:** none


### 아이플러스S

[App page](https://appshunter.io/ios/app/s/id1637394822)

This service provides notifications for children's daycare or kindergarten commutes. It ensures parents are informed about their child's arrival and departure from educational facilities.

**Highlights:** Daycare commute notifications, Kindergarten commute notifications, Parental information service, Child arrival alerts, Child departure alerts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 그레이트북스 free?

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

### Is 아이플러스S free?

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

### Do 그레이트북스 or 아이플러스S have ads?

Neither 그레이트북스 nor 아이플러스S shows ads.

### Which is updated more often, 그레이트북스 or 아이플러스S?

그레이트북스 ships an update every 6 weeks, and 아이플러스S every 11 days. Most recently, 그레이트북스 was updated on October 25, 2026 and 아이플러스S 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.*