# Forethumb いろは vs 電柱番号計算

The clearest difference is price: 電柱番号計算 at Free against Forethumb いろは's $0.99. 電柱番号計算 also leads on update cadence (every 13 months vs every 31 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

電柱番号計算 is free to download; Forethumb いろは costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Forethumb いろは ships an update every 31 months, 電柱番号計算 every 13 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Forethumb いろは | 電柱番号計算 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 13 months** |
| Monetization | Paid | — |
| Size | 37 MB | 7 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takuto Nakamura](https://appshunter.io/developer/1203150472) | [SUMMERBANANA](https://appshunter.io/developer/1722829517) |

## What reviewers say

### Forethumb いろは

[App page](https://appshunter.io/ios/app/forethumb/id1351876497)

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.

**Highlights:** Japanese Morse code input, Single-key or paddle input, Audible Morse feedback, Customizable space intervals, Swipe gestures for delete/space

**Features:** Vision Pro support

**In-app purchases:** none


### 電柱番号計算

[App page](https://appshunter.io/ios/app/id6502235896)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Forethumb いろは free?

Forethumb いろは costs $0.99, with no in-app purchases.

### Is 電柱番号計算 free?

電柱番号計算 is free to download, with no in-app purchases.

### Do Forethumb いろは or 電柱番号計算 have ads?

Neither Forethumb いろは nor 電柱番号計算 shows ads.

### Which is updated more often, Forethumb いろは or 電柱番号計算?

Forethumb いろは ships an update every 31 months, and 電柱番号計算 every 13 months. Most recently, Forethumb いろは was updated on November 2, 2026 and 電柱番号計算 on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*