# Shinsiryoku+3D simulator vs OPQRcoder

The clearest difference is price: OPQRcoder at Free against Shinsiryoku+3D simulator's $0.99. OPQRcoder also leads on iOS requirement (15.1 vs 26.0). Shinsiryoku+3D simulator's advantage is in-app purchases (none vs 1) and update cadence (every 5 months vs every 16 months). On ads and device support there is nothing between them.

OPQRcoder is free to download; Shinsiryoku+3D simulator costs $0.99 up front. OPQRcoder sells 1 one-off in-app purchase. Shinsiryoku+3D simulator asks for nothing beyond the download.

Shinsiryoku+3D simulator ships an update every 5 months, OPQRcoder every 16 months. The most recent releases landed on September 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Shinsiryoku+3D simulator | OPQRcoder |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 16 months |
| Monetization | Paid | — |
| Size | 2 MB | 37 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 9+ |
| Developer | [otaly2](https://appshunter.io/developer/467645380) | [Takaho Endo](https://appshunter.io/developer/1705551687) |

## 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


### OPQRcoder

[App page](https://appshunter.io/ios/app/opqrcoder/id6464173069)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OPQRcoder Pro | $1.99 | one-time |


## Frequently asked questions

### Is Shinsiryoku+3D simulator free?

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

### Is OPQRcoder free?

OPQRcoder is free to download, with in-app purchases available.

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

Neither Shinsiryoku+3D simulator nor OPQRcoder shows ads.

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

Shinsiryoku+3D simulator ships an update every 5 months, and OPQRcoder every 16 months. Most recently, Shinsiryoku+3D simulator was updated on September 7, 2026 and OPQRcoder on September 25, 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.*