# CheckTrendJ vs まとめナビ

The clearest difference is ads: CheckTrendJ at none against まとめナビ's shown. まとめナビ's advantage is review sentiment (67% vs 33%) and update cadence (weekly vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

CheckTrendJ ships an update every 5 months, まとめナビ weekly. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | CheckTrendJ | まとめナビ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free | — |
| Size | 3 MB | 137 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Tatsuya Endou](https://appshunter.io/developer/397153169) | [MediaLeap Inc.](https://appshunter.io/developer/1820330035) |

## What reviewers say

### CheckTrendJ

[App page](https://appshunter.io/ios/app/checktrendj/id397153166)

Discover trending keywords, book rankings, and video charts from Japan, all translated into English. Quickly check details of interesting topics on the web to stay updated on current Japanese trends.

**Highlights:** Trending keywords in Japan, Book ranking charts, Video ranking charts, English translations, Web detail lookup

**Features:** macOS Compatibility

**In-app purchases:** none


### まとめナビ

[App page](https://appshunter.io/ios/app/youtube/id6483685698)

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

**In-app purchases:** none


## Frequently asked questions

### Is CheckTrendJ free?

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

### Is まとめナビ free?

まとめナビ is free to download, with no in-app purchases.

### Do CheckTrendJ or まとめナビ have ads?

まとめナビ shows ads; CheckTrendJ does not.

### Which is updated more often, CheckTrendJ or まとめナビ?

CheckTrendJ ships an update every 5 months, and まとめナビ weekly. Most recently, CheckTrendJ was updated on September 14, 2026 and まとめナビ on September 10, 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.*