# KeyTrans vs BP Analyzer Lite

The clearest difference is price: BP Analyzer Lite at Free against KeyTrans's $9.99. BP Analyzer Lite also leads on in-app purchases (none vs 1). KeyTrans's advantage is update cadence (every 3 days vs every 2 weeks). On ads, device support and iOS requirement there is nothing between them.

BP Analyzer Lite is free to download; KeyTrans costs $9.99 up front. KeyTrans sells 1 one-off in-app purchase. BP Analyzer Lite asks for nothing beyond the download.

KeyTrans ships an update every 3 days, BP Analyzer Lite every 2 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KeyTrans | BP Analyzer Lite |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/keytrans-ai-typing-translator/id6739558003/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 261 MB | 4 MB |
| Requires iOS | 18.4 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [贵辉 胡](https://appshunter.io/developer/1561451356) | [MKM AIRWORKS LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1895892202) |

## What reviewers say

### KeyTrans

[App page](https://appshunter.io/ios/app/keytrans-ai-typing-translator/id6739558003)

This AI-powered keyboard offers instant translation within any application. Type in your language and communicate seamlessly across different languages without leaving your current app. It supports custom AI models and APIs for enhanced translation capabilities.

**Highlights:** AI keyboard translation, Instant in-app translation, Custom AI models, Photo translation, Voice translation

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KeyTrans Pro | $9.99 | one-time |


### BP Analyzer Lite

[App page](https://appshunter.io/ios/app/bp-analyzer-lite/id6774807508)

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

**In-app purchases:** none


## Frequently asked questions

### Is KeyTrans free?

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

### Is BP Analyzer Lite free?

BP Analyzer Lite is free to download, with no in-app purchases.

### Do KeyTrans or BP Analyzer Lite have ads?

Neither KeyTrans nor BP Analyzer Lite shows ads.

### Which is updated more often, KeyTrans or BP Analyzer Lite?

KeyTrans ships an update every 3 days, and BP Analyzer Lite every 2 weeks. Most recently, KeyTrans was updated on October 30, 2026 and BP Analyzer Lite on October 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.*