# TextMaster AI Keyboard vs Inextrust Core

The clearest difference is in-app purchases: Inextrust Core at none against TextMaster AI Keyboard's 5. Inextrust Core also leads on iOS requirement (13.0 vs 17.0). TextMaster AI Keyboard's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. TextMaster AI Keyboard sells 5 in-app purchases, starting at $4.99 per 7 days. Inextrust Core asks for nothing beyond the download.

TextMaster AI Keyboard ships an update every 2 weeks, Inextrust Core every 2 months. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | TextMaster AI Keyboard | Inextrust Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/textmaster-ai-keyboard/id6468854330/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 78 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Weiliang Wang](https://appshunter.io/developer/1710689736) | [Inexto SA](https://appshunter.io/developer/1530785318) |

## What reviewers say

### TextMaster AI Keyboard

[App page](https://appshunter.io/ios/app/textmaster-ai-keyboard/id6468854330)

Enhance your writing with an AI-powered keyboard that offers tone adjustment, message rewriting, and translation. It also provides grammar checks and sentence completion, ensuring your communication is precise and impactful. The app features a private mode for offline AI processing.

**Highlights:** AI-powered writing assistance, Tone adjustment for messages, Message rewriting and proofreading, Translation to multiple languages, Grammar checking, Sentence completion, Offline Private Mode

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Weekly with Free Trial | $4.99 | per 7 days |
| Pro Monthly | $9.99 | per month |
| Pro Monthly with Free Trial | $9.99 | per month |
| Pro Annual | $49.99 | per year |


### Inextrust Core

[App page](https://appshunter.io/ios/app/inextrust-core/id6476917872)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TextMaster AI Keyboard free?

TextMaster AI Keyboard is free to download, with in-app purchases available.

### Is Inextrust Core free?

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

### Do TextMaster AI Keyboard or Inextrust Core have ads?

Neither TextMaster AI Keyboard nor Inextrust Core shows ads.

### Which is updated more often, TextMaster AI Keyboard or Inextrust Core?

TextMaster AI Keyboard ships an update every 2 weeks, and Inextrust Core every 2 months. Most recently, TextMaster AI Keyboard was updated on October 7, 2026 and Inextrust Core on October 12, 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.*