Comparison

新刊Checker vs Net Trouble Checker

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

Head to head
About

新刊Checker

This app simplifies tracking book release dates. Register your favorite books and receive automatic notifications for their release, even when the app is closed. It also allows for direct purchase through Rakuten Books.

Highlights
  • Automatic release date notifications
  • Background updates
  • Rakuten Books integration
  • Series auto-registration
  • Countdown to release date
  • Tweet release information
Features
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いつも買ってる本の発売日をどのように調べていますか? インターネットで検索したり、アプリを使って調べたりしていませんか? この「新刊Checker」はその「調べる手間」までも省く事ができる便利アプリです。 一度、気になる本を登録しておけば、アプリを起動していなくても発売日を教えてくれます。 登録した本は楽天ブックスより購入できるようになっています。 いつも書店で購入されている方は、この機会にネットで注文してみてはいかがでしょうか。 すぐに玄関まで届けてくれるので本当に便利ですよ。 ■使い方 【新規登録】 ・「設定」画面の「新規登録」をタップ ・タイトル等を入力して検索ボタンをタップ ・登録したいタイトルをタップ 【確認方法】 ・「チェック」画面にタイトル、発売日が表示されます。 ・右上の更新ボタンをタップすると、最新情報を取得できます。 ・アプリを起動しなくても、発売日の情報は通知されます。 (バックグランドには残しておく必要があります。) ■機能 ・楽天APIを使用し、ブック情報の検索を行います。 ・登録情報より続巻を判別し、自動登録します。 ・発売日の確定、発売日までのカウントダウン、発売日当日に通知されます。 ・登録したブック情報を選択すると、詳細を確認できます。 (楽天ブックスにて本を購入することもできます。) ・検索時にシリーズ検索をONにすると、自動で次巻を登録します。 ・発売日もしくは長押しでツイートすることができます。 ■通知機能について iOS7より実装されたfetch機能を用いてバックグラウンド更新及び通知を行っています。 ユーザーの使用頻度等によってタイミング等にバラつきが出ますので予めご了承下さい。 定期的にアプリを起動して頂くと安定したチェックが行われるようになります。 ■アップデート予定 ・発売日情報の精度向上 ・動作改善 質問・不具合の報告等はtwitterでお願いします。 https://twitter.com/yu_fur

About

Net Trouble Checker

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When internet is slow, a site will not open, or a local device is missing, use symptom-based diagnostics and focused tools to organize likely causes and next steps. Key features: - Simple symptom-based diagnosis - Download speed (up to about 8 MB or five seconds), internet access, DNS, response time, loss, and jitter checks - Estimated-router and LAN-device checks while connected to Wi-Fi - Focused tools for speed, DNS, LAN devices, Ping, and internet access - Clear results with likely causes and what to try next - On-device history and text sharing that redacts IP addresses and other network identifiers - Shared reports include the app version at report creation - Free manual public Wi-Fi checks and guidance to a login page when needed One purchase removes ads and includes Wi-Fi automatic checks while the app is in the foreground. Existing purchasers pay nothing more. Users complete any Wi-Fi sign-in and acceptance of terms themselves. Privacy and storage: - No account required - Your latest 50 checks are saved automatically on your device and can be deleted from History - Shared reports redact IP addresses, MAC addresses, the estimated router, hostnames/DNS names, and LAN device names - Diagnosis results and history are not sent to the developer's server - Diagnosis results and history are not included in ad requests Limitations: Because of iOS restrictions, LAN-device discovery may be incomplete. The Slow Internet diagnosis and Speed tool download up to about 8 MB or for up to five seconds from nwchk.elevenback.co.jp, ElevenBack's speed-test server, and calculate download Mbps on device. The speed needed depends on the activity, and results vary by time of day and network conditions.

Screenshots

新刊Checker3 screens
Net Trouble Checker4 screens

Verdict

The call

The clearest difference is ads: 新刊Checker at none against Net Trouble Checker's shown. 新刊Checker also leads on iOS requirement (7.0 vs 17.0). On price, update cadence, 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

新刊Checker ships an update every 10 days, Net Trouble Checker every 5 days. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 6 level
新刊Checker versus Net Trouble Checker: the parameters behind the verdict, then further details
Parameter新刊CheckerNet Trouble Checker
PriceFreeFree
Positive reviews28.6% of reviews—
Update frequencyEvery 10 daysEvery 5 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS7.0 — better17.0
Further details — not scored
Size1 MB19 MB
Age rating4+4+
Developerfuruapp Inc.ELEVENBACK, LIMITED LIABILITY COMPANY

In-app purchases

None

新刊Checker

No in-app purchases

None

Net Trouble Checker

No in-app purchases

Questions

Is 新刊Checker free?
新刊Checker is free to download, with no in-app purchases.
Is Net Trouble Checker free?
Net Trouble Checker is free to download, with no in-app purchases.
Do 新刊Checker or Net Trouble Checker have ads?
Net Trouble Checker shows ads; 新刊Checker does not.
Which is updated more often, 新刊Checker or Net Trouble Checker?
新刊Checker ships an update every 10 days, and Net Trouble Checker every 5 days. Most recently, 新刊Checker was updated on October 9, 2026 and Net Trouble Checker on October 25, 2026.

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