Forethumb いろは vs Morse Code Trainer, CW Decoder
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。
Morse Code Trainer, CW Decoder
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Morse code becomes far more useful when you can do more than look it up. MORSE gives you one clean workspace to translate a message, hear or send a signal, build real listening and keying skills, and keep the tools you need close at hand. Translate and send right away • Convert text to Morse code and Morse code back to text • Work with seven writing and code systems: International Morse, Chinese telegraph code, Japanese, Korean, Russian, Greek and Arabic • Send signals with sound, haptics, the flashlight or screen flashes • Choose playback speed and carrier tone, or start with ready-to-use common phrases Learn to hear it—not just read it • Follow 174 structured lessons across 29 units and six activity types • Build skills in Koch order through recognition, listening, comparison, sending, applied practice and challenges • Progress from characters and numbers to punctuation, prosigns, Q codes, callsigns and complete QSOs • Take a free 15-question daily test shaped by your current progress and previously learned weak points • Track accuracy, best scores, course progress and practice streaks • Pro unlocks the remaining 150 lessons, focused listening, Head Copy and weakness drills, plus full WPM, tone and Farnsworth controls Read real signals when you need to • See a provisional dot-dash and text preview while recording; after you stop, MORSE analyzes the full recording and produces a corrected result • Import audio, video or images containing Morse signals • Let MORSE analyze carrier tone and timing, with status and confidence feedback • Core media analysis runs on your device instead of sending signal content to a cloud recognition service Communicate, save and share • Enter dots and dashes with a Morse key and see the decoded text as you type • Exchange Morse messages directly with another nearby device; Pro adds optional 4-digit PIN content protection • Keep history and favorites, then reopen an item to continue editing • Export text and Morse signal cards for free; Pro adds WAV audio export • Import or export a local backup of your training progress Start free. Unlock Pro once. MORSE is free to download. Core text conversion is unlimited, and basic signal output, character references, daily tests, the first 24 lessons and nearby communication without a PIN are free to use. Microphone, audio, video and image recognition share one successful free experience. There are no ads, subscriptions or automatic renewals. MORSE PRO is a one-time non-consumable purchase that permanently unlocks Pro features. Your localized price is shown by the App Store, and previous purchases can be restored. New ways to practice Practice receiving Morse with keyboard answers and character-by-character feedback in Pro. Try straight-key input for free to work on the timing of dots and dashes.
Screenshots
Verdict
The clearest difference is price: Morse Code Trainer, CW Decoder at Free against Forethumb いろは's $0.99. Morse Code Trainer, CW Decoder also leads on update cadence (fortnightly vs every 31 months). Forethumb いろは's advantage is in-app purchases (none vs 1) and iOS requirement (16.4 vs 18.0). 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
Morse Code Trainer, CW Decoder is free to download; Forethumb いろは costs $0.99 up front. Morse Code Trainer, CW Decoder 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, Morse Code Trainer, CW Decoder fortnightly. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.
| Parameter | Forethumb いろは | Morse Code Trainer, CW Decoder |
|---|---|---|
| Price | $0.99 | Free — better |
| Positive reviews | 58.3% of reviews | — |
| Update frequency | Every 31 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 37 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Takuto Nakamura | Vislab |
In-app purchases
Forethumb いろは
No in-app purchases
Morse Code Trainer, CW Decoder
- MORSE PRO One-Time Unlock$8.99
Questions
Is Forethumb いろは free?
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