# Simeji Pro vs UBio

The clearest difference is price: UBio at Free against Simeji Pro's $9.99. UBio also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.0). Simeji Pro's advantage is update cadence (fortnightly vs every 6 months). On ads and device support there is nothing between them.

UBio is free to download; Simeji Pro costs $9.99 up front. Simeji Pro sells 1 in-app purchase, starting at $1.99 per month. UBio asks for nothing beyond the download.

Simeji Pro ships an update fortnightly, UBio every 6 months. The most recent releases landed on September 23, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | Simeji Pro | UBio |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/simeji-pro/id959791915/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 22.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Paid | — |
| Size | 182 MB | 9 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Baidu Japan Inc.](https://appshunter.io/developer/382165332) | [UNION biometrics Co., Ltd.](https://appshunter.io/developer/937089081) |

## What reviewers say

### Simeji Pro

[App page](https://appshunter.io/ios/app/simeji-pro/id959791915)

Enhance your typing experience with a customizable keyboard offering a vast library of emojis, kaomoji, and unique themes. Create your own keyboard with photos and access real-time translation and advanced text conversion features.

**Highlights:** Customizable keyboard themes, Extensive emoji and kaomoji library, Photo-based keyboard customization, Real-time translation, Text-to-stamp conversion, User dictionary backup, Ad-free typing experience

**Features:** Safari Extension, iMessage stickers, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムサービス | $1.99 | per month |


### UBio

[App page](https://appshunter.io/ios/app/ubio-n-initializer/id6480284926)

**In-app purchases:** none


## Frequently asked questions

### Is Simeji Pro free?

Simeji Pro costs $9.99, and also offers in-app purchases.

### Is UBio free?

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

### Do Simeji Pro or UBio have ads?

Neither Simeji Pro nor UBio shows ads.

### Which is updated more often, Simeji Pro or UBio?

Simeji Pro ships an update fortnightly, and UBio every 6 months. Most recently, Simeji Pro was updated on September 23, 2026 and UBio on May 15, 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.*