# Shinsiryoku+3D simulator vs Forethumb

The clearest difference is update cadence: Forethumb at every 2 weeks against Shinsiryoku+3D simulator's every 5 months. Forethumb also leads on iOS requirement (16.4 vs 26.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Shinsiryoku+3D simulator costs $0.99 and Forethumb $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Shinsiryoku+3D simulator ships an update every 5 months, Forethumb every 2 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Shinsiryoku+3D simulator | Forethumb |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | — | **[4.8 (8 ratings)](https://appshunter.io/ios/app/forethumb/id1325147667/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 60.0% of reviews | **64.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 2 MB | 71 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [otaly2](https://appshunter.io/developer/467645380) | [Takuto Nakamura](https://appshunter.io/developer/1203150472) |

## What reviewers say

### Shinsiryoku+3D simulator

[App page](https://appshunter.io/ios/app/shinsiryoku-plus-3d-simulator/id469417281)

Practice depth vision tests for driver's license exams and renewals. This app offers mock training with instructions to help users understand requirements and improve their chances of passing.

**Highlights:** Depth vision training, Mock practice for license exams, Instructions included, Vision test renewal preparation

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

**In-app purchases:** none


### Forethumb

[App page](https://appshunter.io/ios/app/forethumb/id1325147667)

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.

**Highlights:** Morse code input (single key or paddle), Sound feedback on input, Swipe gestures for delete/space, Customizable gap length, Supports alphabets, numbers, symbols, Japanese

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Shinsiryoku+3D simulator free?

Shinsiryoku+3D simulator costs $0.99, with no in-app purchases.

### Is Forethumb free?

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

### Do Shinsiryoku+3D simulator or Forethumb have ads?

Neither Shinsiryoku+3D simulator nor Forethumb shows ads.

### Which is updated more often, Shinsiryoku+3D simulator or Forethumb?

Shinsiryoku+3D simulator ships an update every 5 months, and Forethumb every 2 weeks. Most recently, Shinsiryoku+3D simulator was updated on October 8, 2026 and Forethumb on October 4, 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.*