Comparison

N4 読解問題集 vs ComicJet

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

Head to head
About

N4 読解問題集

Features
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New JLPT N4 Reading Problems, Compliant with the latest JLPT questions, and is accompanied by explanations in Chinese, making it easy to learn the Japanese language. They can be divided into six categories: 1. short articles, 2. correspondence, 3. long articles. There are 16 articles and 37 questions to help you develop your Japanese language skills.

About

ComicJet

Features
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Read your comics at jet speed. ComicJet is a fast, clean reader for the comics, manga, webtoons, and scans you already own. Open CBZ, CBR, CB7, ZIP, RAR, 7Z, PDF, and TXT right on your iPhone and iPad — no account, no uploads, no waiting. Why ComicJet Opens instantly The first page shows immediately while the rest extracts in the background. Even huge files start at page 1 with no loading screen. Once opened, a book reopens instantly. All the major formats - CBZ / CBR / CB7 comic book archives - ZIP / RAR / 7Z archives full of images - PDF comics and scans - TXT text files (novels welcome, same viewer) Password files & private reading - Open password-protected ZIP / CBZ (incl. AES), RAR / CBR, and PDF - A working password is stored safely in the iOS Keychain and applied automatically next time - Optional app lock with Face ID or your device passcode A viewer built for reading - Pinch to zoom, smooth page turns - Webtoon mode — vertical strips are detected automatically and read with continuous scrolling, zoom included - Auto-split wide spread pages — left-first or right-first (for manga) - Smart split that detects the actual binding line - Two-page spread view in landscape - Auto-paging (2–10 s) and jump straight into the next book from the last page - Seek bar with thumbnail previews to find any scene fast - Remembers your last page in every book and offers to resume - Night mode for dark rooms - Automatic filename-encoding detection for Korean, Japanese, and Chinese archives (no more garbled names) A simple bookshelf - Grid or list library with cover thumbnails - Drop files into the "ComicJet" folder in the Files app and they appear automatically - Or use "Share → ComicJet" straight from the Files app - Your collection stays on your device, under your control Privacy first ComicJet only reads files stored on your device. Your comics are never uploaded anywhere and no account is needed. Analytics events never include file names, paths, accounts, or passwords. Privacy policy: https://qingdu.ai/comicjet/privacy Premium Prefer reading without ads? Remove them with a yearly subscription or a one-time lifetime purchase. Every reading feature stays free. A note ComicJet is a file viewer. It does not include or provide comic content. Please use it to read files you own or obtained legally. Questions or feature requests: qingdu.studio@gmail.com — we read everything. The comic shown in screenshots is Pepper&Carrot by David Revoy (CC-BY 4.0). Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

N4 読解問題集4 screens
ComicJet4 screens

Verdict

The call

The clearest difference is price: ComicJet at Free against N4 読解問題集's $9.99. ComicJet also leads on update cadence (every 3 days vs every 21 months). On ads, in-app purchases, device support and iOS requirement 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

ComicJet is free to download; N4 読解問題集 costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

N4 読解問題集 ships an update every 21 months, ComicJet every 3 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 4 level
N4 読解問題集 versus ComicJet: the parameters behind the verdict, then further details
ParameterN4 読解問題集ComicJet
Price$9.99Free — better
Update frequencyEvery 21 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.216.0 — better
Further details — not scored
Size2 MB17 MB
Age rating4+4+
DeveloperYamase & Touwa Japanese InsitituteJungsoo Nam

In-app purchases

None

N4 読解問題集

No in-app purchases

None

ComicJet

No in-app purchases

Questions

Is N4 読解問題集 free?
N4 読解問題集 costs $9.99, with no in-app purchases.
Is ComicJet free?
ComicJet is free to download, with no in-app purchases.
Do N4 読解問題集 or ComicJet have ads?
Neither N4 読解問題集 nor ComicJet shows ads.
Which is updated more often, N4 読解問題集 or ComicJet?
N4 読解問題集 ships an update every 21 months, and ComicJet every 3 days. Most recently, N4 読解問題集 was updated on October 7, 2026 and ComicJet on October 8, 2026.

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