# K vs ToolChain Pro

The clearest difference is price: ToolChain Pro at Free against K's $4.99. ToolChain Pro also leads on rating (4.8 vs 4.0) and review sentiment (100% vs 79%). K's advantage is ratings volume (131 vs 37) and iOS requirement (8.0 vs 12.0). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

ToolChain Pro is free to download; K costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ToolChain Pro holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 131 and 37 respectively. Written reviews point the same way: 79% of K's written reviews are positive against 100% of ToolChain Pro's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 24, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | K | ToolChain Pro |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.0 (131 ratings)](https://appshunter.io/ios/app/k-keyboard/id955157912/reviews) | **[4.8 (37 ratings)](https://appshunter.io/ios/app/toolchain-pro/id1335906787/reviews)** |
| Number of ratings | **131** | 37 |
| Positive reviews | 78.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 21 MB | 38 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Lin Bunchan](https://appshunter.io/developer/457862322) | [Shanghai NanoJClean Technology Co., Ltd.](https://appshunter.io/developer/1306451321) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-keyboard/id955157912)

This app provides a fast and beautifully designed keyboard extension for iOS, enabling easy input of the Khmer language. It offers a full set of Khmer characters with a character preview feature for enhanced typing accuracy.

**Highlights:** Fast and beautiful Khmer keyboard, System keyboard design, Character preview for typing, Full Khmer character set, Easy installation and enabling

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

**In-app purchases:** none


### ToolChain Pro

[App page](https://appshunter.io/ios/app/toolchain-pro/id1335906787)

This app provides a unified portal to a blockchain platform, allowing users to track product lifecycles by scanning QR codes or built-in chips. It digitizes business operations and enables value transfer, useful for verifying authenticity and ownership of luxury goods and tracking imported liquor.

**Highlights:** Product lifecycle tracking, QR code scanning, Built-in chip scanning, Authenticity verification, Ownership claims, Digitalize business operations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is K free?

K costs $4.99, with no in-app purchases.

### Is ToolChain Pro free?

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

### Which has better reviews, K or ToolChain Pro?

ToolChain Pro is rated higher. K averages 4.0 out of 5 from 131 ratings, while ToolChain Pro averages 4.8 from 37 ratings.

### Do K or ToolChain Pro have ads?

Neither K nor ToolChain Pro shows ads.

### Which is updated more often, K or ToolChain Pro?

K ships an update monthly, and ToolChain Pro monthly. Most recently, K was updated on September 24, 2026 and ToolChain Pro on June 1, 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.*