# Sensitivity Tests vs TOKAI App

Sensitivity Tests and TOKAI App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sensitivity Tests ships an update every 5 weeks, TOKAI App every 3 weeks. The most recent releases landed on September 18, 2026 and November 29, 2025 respectively.

## The numbers

| Metric | Sensitivity Tests | TOKAI App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 105 MB | 417 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nikon Optical USA](https://appshunter.io/developer/566202027) | [TOKAI OPTICAL CO.,LTD.](https://appshunter.io/developer/863775899) |

## What reviewers say

### Sensitivity Tests

[App page](https://appshunter.io/ios/app/sensitivity-tests/id1338466692)

**Features:** macOS Compatibility

**In-app purchases:** none


### TOKAI App

[App page](https://appshunter.io/ios/app/tokai-app/id1587808342)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sensitivity Tests free?

Sensitivity Tests is free to download, with no in-app purchases.

### Is TOKAI App free?

TOKAI App is free to download, with no in-app purchases.

### Do Sensitivity Tests or TOKAI App have ads?

Neither Sensitivity Tests nor TOKAI App shows ads.

### Which is updated more often, Sensitivity Tests or TOKAI App?

Sensitivity Tests ships an update every 5 weeks, and TOKAI App every 3 weeks. Most recently, Sensitivity Tests was updated on September 18, 2026 and TOKAI App on November 29, 2025.

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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.*