# 서머나북스(New) vs 나비

서머나북스(New) and 나비 both sit at 5.0 stars, but that hides the real split: 97% of 나비's written reviews are positive against 50% of 서머나북스(New)'s. 나비 also leads on update cadence (every 9 days vs every 11 months) and ratings volume (4 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for 서머나북스(New) against 5.0 for 나비. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews are what separate them: 50% of 서머나북스(New)'s written reviews are positive against 97% of 나비's.

서머나북스(New) ships an update every 11 months, 나비 every 9 days. The most recent releases landed on October 10, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 서머나북스(New) | 나비 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/new/id1443905957/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/id1592265834/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 50.0% of reviews | **97.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 3 MB | 16 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Harry Kim](https://appshunter.io/developer/1443905956) | [Seora Lee](https://appshunter.io/developer/1876432424) |

## What reviewers say

### 서머나북스(New)

[App page](https://appshunter.io/ios/app/new/id1443905957)

Access a curated collection of books from the publisher. Read your favorite titles on your iPhone or iPad.

**Highlights:** Read books, Access publisher's collection, Mobile reading, iPhone and iPad support

**Features:** macOS Compatibility

**In-app purchases:** none


### 나비

[App page](https://appshunter.io/ios/app/id1592265834)

This app helps users memorize Bible verses through themed cards and quizzes. It offers pre-made verse sets and allows users to add their own custom verses for memorization practice.

**Highlights:** Themed Bible verse memorization cards, Custom verse registration, Verse quizzes by theme, Track memorization progress, Support for various verse sets

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

**In-app purchases:** none


## Frequently asked questions

### Is 서머나북스(New) free?

서머나북스(New) is free to download, with no in-app purchases.

### Is 나비 free?

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

### Which has better reviews, 서머나북스(New) or 나비?

서머나북스(New) and 나비 are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do 서머나북스(New) or 나비 have ads?

Neither 서머나북스(New) nor 나비 shows ads.

### Which is updated more often, 서머나북스(New) or 나비?

서머나북스(New) ships an update every 11 months, and 나비 every 9 days. Most recently, 서머나북스(New) was updated on October 10, 2026 and 나비 on October 27, 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.*