Forethumb いろは vs RadMonJP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Forethumb いろは
This app enables Japanese Morse code input on your iOS device. Once you memorize the codes, you can type even with your eyes closed. It supports single-key or paddle input with audible feedback and customizable spacing.
- Japanese Morse code input
- Single-key or paddle input
- Audible Morse feedback
- Customizable space intervals
- Swipe gestures for delete/space
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「Forethumb いろは」はあなたのiOSデバイス上で和文モールス符号による文字入力を可能とします。 モールス符号を暗記させしてしまえば、目隠しをしても文字を入力することができます。 【機能】 ・単鍵式またはパドル式のモールス入力により文字入力が可能です。 ・モールスの入力時に音が鳴ります。 ・単鍵式の場合、キーを左にスワイプすると「削除」、右にスワイプすると「空白の入力」ができます。 ・空白（各点の間隔）の基本長を変更することが可能です。 【注意点】 ご利用にはキーボードの追加設定が必要です（設定 -> 一般 -> キーボード）。 また、音を鳴らすためには「フルアクセスの許可」をオンにする必要があります。 ※「フルアクセスの許可」によるデータ収集は一切行いませんのでご安心ください。 【サポート】 ・不具合報告やご質問・ご要望はお気軽にご連絡ください。 ・機能追加に関しましても対応を検討させていただきます。 ・開発者は予告なく古いiOSへのサポートを終了することがあります。
RadMonJP
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RadMonJP is a radiation monitoring app that helps you check radiation levels across Japan in real time. Key features: - Browse monitoring posts nationwide in a clear dashboard - View radiation levels on an interactive map - Check rankings to quickly identify higher readings - See each monitoring post's current reading, weather, and 24-hour trend - Customize daily reports and emergency alerts Whether you are checking conditions near home or planning a trip, RadMonJP helps you find the information you need quickly for greater peace of mind for you and your family. This app is supported by advertising. Join the annual sponsorship program to remove ads and support future development. Privacy Policy: https://radmon.jp/privacy Terms of Use: https://radmon.jp/terms
Screenshots
Verdict
The clearest difference is price: RadMonJP at Free against Forethumb いろは's $0.99. RadMonJP also leads on update cadence (every 8 days vs every 31 months). Forethumb いろは's advantage is in-app purchases (none vs 1) and iOS requirement (16.4 vs 26.0). On ads 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
RadMonJP is free to download; Forethumb いろは costs $0.99 up front. RadMonJP sells 1 in-app purchase, starting at $0.99 per month. Forethumb いろは asks for nothing beyond the download.
Forethumb いろは ships an update every 31 months, RadMonJP every 8 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Forethumb いろは | RadMonJP |
|---|---|---|
| Price | $0.99 | Free — better |
| Positive reviews | 58.3% of reviews | — |
| Update frequency | Every 31 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 37 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Takuto Nakamura | RR Aware Studio |
In-app purchases
Forethumb いろは
No in-app purchases
RadMonJP
- プレミアム1ヶ月$0.991 Month
