# 세대백서 vs 100 Bugs

The clearest difference is in-app purchases: 세대백서 at none against 100 Bugs's 1. 세대백서 also leads on update cadence (daily vs every 5 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 100 Bugs sells 1 one-off in-app purchase. 세대백서 asks for nothing beyond the download.

세대백서 ships an update daily, 100 Bugs every 5 days. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | 세대백서 | 100 Bugs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Size | 7 MB | 78 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mijin Kim](https://appshunter.io/developer/1717382242) | [Sami Kuribara](https://appshunter.io/developer/1891970492) |

## What reviewers say

### 세대백서

[App page](https://appshunter.io/ios/app/id6744679312)

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

**In-app purchases:** none


### 100 Bugs

[App page](https://appshunter.io/ios/app/100-bugs-insect-encyclopedia/id6762023650)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - All 100 Insects | $3.99 | one-time |


## Frequently asked questions

### Is 세대백서 free?

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

### Is 100 Bugs free?

100 Bugs is free to download, with in-app purchases available.

### Do 세대백서 or 100 Bugs have ads?

Neither 세대백서 nor 100 Bugs shows ads.

### Which is updated more often, 세대백서 or 100 Bugs?

세대백서 ships an update daily, and 100 Bugs every 5 days. Most recently, 세대백서 was updated on November 12, 2026 and 100 Bugs on November 13, 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.*