Comparison

CheckTrendJ vs watoji

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CheckTrendJ

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
Read full description

You can see Japan's trending keywords in English! You can see the following information *Search keywords *Book ranking *Video ranking Words of interest can be checked in detail on the web as they are, and can be viewed quickly, so this is a recommended application for catching up on current topics in Japan.

About

watoji

Features
Read full description

watoji is an up-to-date app specializing in Japan culture. It is a free application that allows you to see cultural portals that make it easy to find information that is difficult to find by search, news, event information links, who's who, etc. by purpose. The service will deliver buried high-quality information to those who truly love domestic and foreign cultures. - Channel-Highly specialized genre division is fun Information disseminated by reliable information media and information related to the culture of various business types, from cultural facilities, commercial facilities, producers, writers, craftsmen, tourism to forest conservation NPOs, are distributed and displayed in channels for each genre. Based on your interests, what is happening now? What's the topic? Where and how do I get there? You can get such information at once. - News Curation App; Targeting people with highly commited for culture, evolving like a salon through connections between people In the world of culture, there are many "for those who really love culture" places. It is accompanied by a program that tries to revitalize the culture by verifying the degree of introduction of people and the number of experiences of events attended, and making that certification possible on the Web. (The program "WATOJI Community Status" will be fully operational from September 2023) - Only advertisements that are meaningful to the user are displayed The site and app are free for both users and information disseminators. Supporting this environment is advertisers. Only content that contributes to culture and society will be advertised. What kind of companies are doing business and for what purpose? Please look forward to the "WATOJI supporter" channel. *** Features *** - You can freely select and sort the topics you want to read from a variety of channels such as "videos", "exhibitions", "Tourism", "learning and experiences", "Culture and Technology", "Recycling Society", "Tea ceremony", "Urushi-Lacquer", "Ceramics", " Textiles & Fibers". - The "Explore" channel has a built-in collection of links that allow you to search for keywords from the Japan Culture Map database, which searches for people, places, and activities involved in cultural activities, and instantly understand what kind of activities you are doing. - It is difficult to find cultural experiences, travel, and learning that are effective in fostering sensibility by searching. At Watoji, we narrow down by purpose such as acceptance conditions × schedule × region, for example, which experiences can children participate in? Under these conditions, we will cover temporary events of lesser-known cultural facilities. - On the My Page of the "Home" mark, you can customize various things such as checking messages for registered users, channels, and the contents of push notifications.

Screenshots

CheckTrendJ2 screens
watoji4 screens

Verdict

The call

The clearest difference is ads: CheckTrendJ at none against watoji's shown. watoji's advantage is update cadence (every 6 weeks vs every 5 months) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

CheckTrendJ ships an update every 5 months, watoji every 6 weeks. The most recent releases landed on October 1, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 5 level
CheckTrendJ versus watoji: the parameters behind the verdict, then further details
ParameterCheckTrendJwatoji
PriceFreeFree
Positive reviews33.3% of reviews—
Update frequencyEvery 5 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size3 MB35 MB
Age rating12+17+
DeveloperTatsuya EndouTHE CREATION OF JAPAN GENERAL INCORPORATED ASSOCIATION

In-app purchases

None

CheckTrendJ

No in-app purchases

None

watoji

No in-app purchases

Questions

Is CheckTrendJ free?
CheckTrendJ is free to download, with no in-app purchases.
Is watoji free?
watoji is free to download, with no in-app purchases.
Do CheckTrendJ or watoji have ads?
watoji shows ads; CheckTrendJ does not.
Which is updated more often, CheckTrendJ or watoji?
CheckTrendJ ships an update every 5 months, and watoji every 6 weeks. Most recently, CheckTrendJ was updated on October 1, 2026 and watoji on September 22, 2026.

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