Forethumb vs Kintai
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Forethumb
This keyboard app allows users to input text on their iOS devices using Morse code. It offers single-key or paddle input methods, with options for sound feedback and customizable gap lengths. It supports alphabets, numbers, some symbols, and Japanese characters.
- Morse code input (single key or paddle)
- Sound feedback on input
- Swipe gestures for delete/space
- Customizable gap length
- Supports alphabets, numbers, symbols, Japanese
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Forethumb enables you to input characters on your iOS device with morse code. You can type sentences blindfold, if you memorized morse code for forethumb. [Function] - Character input is possible by single key type or paddle type Morse input. - The sound is played when you input the morse code. - In the case of the single key type, swiping the key to the left will "delete" and swiping to the right will "enter space". - You can change the default gap length. [Functional Limitations] - The characters that you can enter are alphabets, numbers, some symbols, and Japanese. [Attention] - You have to do the additional procedure of Forethumb to use it (Settings -> General -> Keyboard). - Then, you also have to turn on the "Full Access" for Forethumb. * Please don’t worry; The developer does not collect your data at all. [Support] - Please do not hesitate to contact the developer for any defect reports or questions/requests. - The developer will consider any requests about additional function. - The developer may end support for older iOS without notice.
Kintai
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Make attendance contact smart with Apple Watch. Opening the app on your PC or smartphone and contacting attendance is surprisingly troublesome. With this app, you can make smart attendance notifications with just a few taps on the screen of your Apple Watch. Register the Slack post settings and each attendance word in advance, and tap the corresponding cell from the list to complete the post. It may be possible to use it as a to-do list for housework and share it with your family. ■ How to use 1. Install this App 2. Enter the required information in Slack Settings 3. Register the activity you want to post 4. Select from the list and tap the cell to post to Slack ■ Register / Edit / Delete activities Preset data with a set of Emoji and words is provided at the time of installation. Register, edit, or delete as necessary. You can register by tapping the "New entry" cell at the bottom of the activity list. To edit the activity, tap the 3-point button on the upper right of the cell and edit as appropriate. You can delete an activity by swiping the cell to the left. ■ Slack Settings The information required for a Slack post is a Webhook URL and a GitHub account. Get the Webhook URL for the attendance channel you want to post and enter it. The GitHub account is used to get the poster's nickname and image. If you enter a nickname, that will be given priority. Your favorite color is reflected in the color of the Attachment bar. If there is no input, the theme color of this app (#009944) will be used. Enter each value on the paired iPhone. Copy and paste is also possible. ■ Post Settings The activity is a set of Emoji and words. If you turn on the switch, you can post Emoji as a set when posting. You can also post only words, too. ■ Set Complication Please consider setting Complication. And then you can launch this App immediately, and posting is completed with 2 taps! ■ Feedback If you have some feedback, please access the bellow Support page and contact me. https://github.com/MilanistaDev/KintaiChanSupport
Screenshots
Verdict
The clearest difference is price: Kintai at Free against Forethumb's $0.99. Kintai also leads on iOS requirement (14.0 vs 16.4). Forethumb's advantage is update cadence (every 2 weeks vs every 5 months). On ads, 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
Kintai is free to download; Forethumb costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Forethumb ships an update every 2 weeks, Kintai every 5 months. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.
| Parameter | Forethumb | Kintai |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.8 (8 ratings) — better | — |
| Positive reviews | 64.3% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 2 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPod, Apple Watch — better |
| Requires iOS | 16.4 | 14.0 — better |
| Further details — not scored | ||
| Size | 71 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Takuto Nakamura | Takuya Aso |
In-app purchases
Forethumb
No in-app purchases
Kintai
No in-app purchases









