# ジャンプNAVI vs IKOU

The clearest difference is update cadence: IKOU at weekly against ジャンプNAVI's every 3 weeks. IKOU also leads on iOS requirement (11.0 vs 16.0). 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.

ジャンプNAVI ships an update every 3 weeks, IKOU weekly. The most recent releases landed on September 20, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | ジャンプNAVI | IKOU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/navi/id1592232631/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 8.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 76 MB | 260 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [SHUEISHA Inc.](https://appshunter.io/developer/386723683) | [YSREADINGINC.](https://appshunter.io/developer/1531436506) |

## What reviewers say

### ジャンプNAVI

[App page](https://appshunter.io/ios/app/navi/id1592232631)

This app helps you enjoy your favorite manga and related content more fully. It provides organized access to news, comics, events, and videos for various series. Follow your preferred titles for quick updates and discover new information easily.

**Highlights:** Organized manga information, News, comics, events, and videos, Follow favorite series, Quick access to updates, Supports Jump Festa

**Features:** Vision Pro support

**In-app purchases:** none


### IKOU

[App page](https://appshunter.io/ios/app/ikou/id1619040295)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ジャンプNAVI free?

ジャンプNAVI is free to download, with no in-app purchases.

### Is IKOU free?

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

### Do ジャンプNAVI or IKOU have ads?

Neither ジャンプNAVI nor IKOU shows ads.

### Which is updated more often, ジャンプNAVI or IKOU?

ジャンプNAVI ships an update every 3 weeks, and IKOU weekly. Most recently, ジャンプNAVI was updated on September 20, 2026 and IKOU on May 15, 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.*