Furigana Extension

Developer: Jumpei Adachi

Category: Books & Reference

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550 installs

11 ratings

37 monthly active users

$<10K monthly revenue est.

IAP 100% · Ad 0%

Furigana Extension Summary

Furigana Extension is a with in-app purchases iOS app in Books And Reference by Jumpei Adachi. Released in Jan 2022 (4 years ago). It has 11 ratings with a 4.55★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 37 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Mar 28, 2026, version 59.

Data tracking: SDKs and third-party integrations were last analyzed on Mar 28, 2026.

Store info: Last updated on App Store on Mar 28, 2026 (version 59).

SDKs, Trackers & Permissions

Furigana Extension was last scanned for SDKs 2026-03-28. No known SDKs were detected, so check the raw list of SDK parts detected here and feel free to request unknown SDKs and companies be added to AppGoblin.

App Details

Store ID: 1603197266

First Released: 2022-01-10

Store Last Updated: 2026-03-28

In-App Purchases: Yes

Ads: No

Website: jumpei-adachi.web.app

App Store

Crawl Status: Success

AppGoblin First Crawled: 2022-12-12

AppGoblin Last Crawled: 2026-04-05

Ads & App-Ads.txt

Ads.txt Last Crawled: 2026-03-03

Ads.txt Crawl Status: Success

AppGoblin SDK Scans

Successful Last Crawled: 2026-03-28

Last Crawled: 2026-03-28

Last Crawl Status: Success

4.55★

Ratings: 11

5★

4★

3★

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1★

Screenshots

App Description

This is a browser extension that display furigana on webpages.

You can try it for free for three days to see how it works.

All processing happens on your device, so no information is sent externally.