# UBio vs Chat Export Viewer

The clearest difference is in-app purchases: UBio at none against Chat Export Viewer's 3. Chat Export Viewer's advantage is update cadence (weekly vs every 21 months) and device support. On price and iOS requirement there is nothing between them.

Both are free to download. Chat Export Viewer sells 3 in-app purchases, starting at $1.99 per month. UBio asks for nothing beyond the download.

UBio ships an update every 21 months, Chat Export Viewer weekly. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | UBio | Chat Export Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | Every 21 months | **Weekly** |
| Size | 40 MB | 39 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UNION biometrics Co., Ltd.](https://appshunter.io/developer/937089081) | [Ming Hin Lee](https://appshunter.io/developer/6823637408) |

## What reviewers say

### UBio

[App page](https://appshunter.io/ios/app/ubio-xkey/id6504510418)

**In-app purchases:** none


### Chat Export Viewer

[App page](https://appshunter.io/ios/app/chat-export-viewer/id6823962160)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annual | $8.99 | per year |
| Premium Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is UBio free?

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

### Is Chat Export Viewer free?

Chat Export Viewer is free to download, with in-app purchases available.

### Which is updated more often, UBio or Chat Export Viewer?

UBio ships an update every 21 months, and Chat Export Viewer weekly. Most recently, UBio was updated on November 12, 2026 and Chat Export Viewer on November 13, 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.*