# Krone Filter Solutions vs AI Keyboard Assistant App

The clearest difference is in-app purchases: Krone Filter Solutions at none against AI Keyboard Assistant App's 2. Krone Filter Solutions also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). AI Keyboard Assistant App's advantage is update cadence (weekly vs every 19 months). On price and ads there is nothing between them.

Both are free to download. AI Keyboard Assistant App sells 2 in-app purchases, starting at $4.99 per 7 days. Krone Filter Solutions asks for nothing beyond the download.

Krone Filter Solutions ships an update every 19 months, AI Keyboard Assistant App weekly. The most recent releases landed on September 13, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Krone Filter Solutions | AI Keyboard Assistant App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ai-keyboard-assistant-app/id6497333506/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Weekly** |
| Monetization | — | Subscription |
| Size | 34 MB | 50 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [webad - internet advertising GmbH](https://appshunter.io/developer/1629851567) | [NEXTPIXEL APPS LLP](https://appshunter.io/developer/1584487280) |

## What reviewers say

### Krone Filter Solutions

[App page](https://appshunter.io/ios/app/krone-filter-solutions/id1629851565)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Keyboard Assistant App

[App page](https://appshunter.io/ios/app/ai-keyboard-assistant-app/id6497333506)

Enhance your writing with AI-powered suggestions, personalized themes, and quick text pasting. Generate replies, translate text, and create content with various tones. This custom keyboard extension aims to make you smarter in your daily digital interactions.

**Highlights:** AI-powered writing assistance, Personalized keyboard themes, AI-generated replies and text, Text translation, Pasteboard for quick text access, AI-suggested GIFs

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Keyboard Helper | $4.99 | per 7 days |
| AI Keyboard Extension | $9.99 | per month |


## Frequently asked questions

### Is Krone Filter Solutions free?

Krone Filter Solutions is free to download, with no in-app purchases.

### Is AI Keyboard Assistant App free?

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

### Do Krone Filter Solutions or AI Keyboard Assistant App have ads?

Neither Krone Filter Solutions nor AI Keyboard Assistant App shows ads.

### Which is updated more often, Krone Filter Solutions or AI Keyboard Assistant App?

Krone Filter Solutions ships an update every 19 months, and AI Keyboard Assistant App weekly. Most recently, Krone Filter Solutions was updated on September 13, 2026 and AI Keyboard Assistant App on June 6, 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.*