Forethumb いろは vs Senryu Note
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。
Senryu Note
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“Senryu Note” allows you to easily write down and save your senryu. (How to use) - If you put 5, 7, 5 in the three frames on the right side, the senryu will appear on the left side. The fourth frame on the right is the author's name. - Senryu can be saved in the list. In the list, you can delete, reorder, and save the list. You can also swipe right on an individual senryu to bring it back to the main screen. - You can browse your senryu, and switch between 1-line and 3-line displays. - You can also have the voice read out loud by pressing the "Voice" button. The type of voice can be changed in the device settings. - You can tweet your senryu by clicking the "Tweet" button. Hashtags can be changed in the settings screen.
Screenshots
Verdict
The clearest difference is price: Senryu Note at Free against Forethumb いろは's $0.99. Senryu Note also leads on update cadence (every 2 months vs every 31 months) and iOS requirement (14.0 vs 16.4). Forethumb いろは's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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
Senryu Note is free to download; Forethumb いろは costs $0.99 up front. Senryu Note sells 1 one-off in-app purchase. Forethumb いろは asks for nothing beyond the download.
Forethumb いろは ships an update every 31 months, Senryu Note every 2 months. The most recent releases landed on September 17, 2026 and August 2, 2026 respectively.
| Parameter | Forethumb いろは | Senryu Note |
|---|---|---|
| Price | $0.99 | Free — better |
| Positive reviews | 58.3% of reviews | — |
| Update frequency | Every 31 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 14.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Takuto Nakamura | Mihoko Araki |
In-app purchases
Forethumb いろは
No in-app purchases
Senryu Note
- No Ads$2.99









