# Yubidenwa vs CADi2

The clearest difference is review sentiment: Yubidenwa at 100% against CADi2's 25%. Yubidenwa also leads on update cadence (every 5 months vs every 12 months) and iOS requirement (9.0 vs 15.0). CADi2's advantage is price (Free vs $29.99). On ads, in-app purchases and device support there is nothing between them.

CADi2 is free to download; Yubidenwa costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Yubidenwa ships an update every 5 months, CADi2 every 12 months. The most recent releases landed on September 23, 2026 and June 28, 2026 respectively.

## The numbers

| Metric | Yubidenwa | CADi2 |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 12 months |
| Monetization | Paid | **Free** |
| Size | 64 MB | 56 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Office Yui Asia Limited](https://appshunter.io/developer/501013610) | [ERISA K.K.](https://appshunter.io/developer/1692730435) |

## What reviewers say

### Yubidenwa

[App page](https://appshunter.io/ios/app/yubidenwa/id501013487)

This app assists users who have difficulty speaking by allowing them to quickly select and speak pre-written text. It offers multiple voice options, customization for pitch and speed, and offline functionality. Ideal for communication support when verbal expression is challenging.

**Highlights:** Tap and speak pre-written text, Offline mode support, Multiple Japanese and English voices, Customizable voice pitch, speed, and volume, Organize up to 100 texts per category, Changeable voice speakers with tags

**Features:** Vision Pro support

**In-app purchases:** none


### CADi2

[App page](https://appshunter.io/ios/app/cadi2/id808586504)

This app offers a cognitive screening test designed for early detection of dementia. It includes 10 assessment items and a supplementary cognitive training game. Data is securely managed and used to improve app performance.

**Highlights:** Early dementia detection screening, 10 cognitive assessment items, Cognitive function training game, Data export via email or iTunes, Individual ID input for testing, Timed responses for assessment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Yubidenwa free?

Yubidenwa costs $29.99, with no in-app purchases.

### Is CADi2 free?

CADi2 is free to download, with no in-app purchases.

### Do Yubidenwa or CADi2 have ads?

Neither Yubidenwa nor CADi2 shows ads.

### Which is updated more often, Yubidenwa or CADi2?

Yubidenwa ships an update every 5 months, and CADi2 every 12 months. Most recently, Yubidenwa was updated on September 23, 2026 and CADi2 on June 28, 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.*