# Tether vs Kyanite Pro

The clearest difference is in-app purchases: Tether at none against Kyanite Pro's 2. Kyanite Pro's advantage is iOS requirement (18.0 vs 26.1). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Kyanite Pro sells 2 in-app purchases, starting at $3.99 per month. Tether asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Tether against 5.0 for Kyanite Pro. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Tether ships an update weekly, Kyanite Pro every 5 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | Tether | Kyanite Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/tether-linux-companion/id6762097135/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/kyanite-pro/id6802395850/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 6 MB | 41 MB |
| Requires iOS | 26.1 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Zack Bartel](https://appshunter.io/developer/1069647834) | [Mike Haynes](https://appshunter.io/developer/6802395852) |

## What reviewers say

### Tether

[App page](https://appshunter.io/ios/app/tether-linux-companion/id6762097135)

Seamlessly integrate your mobile device with your Linux desktop. Share clipboards, transfer files, and discover your desktop locally over Wi-Fi. All communication is secured with end-to-end encryption, with no cloud servers or accounts needed.

**Highlights:** Shared Clipboard Sync, Bi-directional File Transfers, Local Network Discovery, End-to-End Encryption, No Cloud Services Required

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

**In-app purchases:** none


### Kyanite Pro

[App page](https://appshunter.io/ios/app/kyanite-pro/id6802395850)

This app offers a suite of offline drilling calculators and reference tools for oil and gas professionals. It includes features for mud engineers, cementers, and directional drillers, with options to share data with crews. A free tier provides basic tools, while a subscription unlocks advanced calculators and job sheets.

**Highlights:** Offline drilling calculators, Mud, cement, and directional drilling tools, Field notes and reference charts, Crew data sharing, Kill sheet and cement job sheet, Chemical inventory management

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kyanite Pro Monthly | $3.99 | per month |
| Kyanite Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Tether free?

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

### Is Kyanite Pro free?

Kyanite Pro is free to download, with in-app purchases available.

### Which has better reviews, Tether or Kyanite Pro?

Tether and Kyanite Pro are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Tether or Kyanite Pro have ads?

Neither Tether nor Kyanite Pro shows ads.

### Which is updated more often, Tether or Kyanite Pro?

Tether ships an update weekly, and Kyanite Pro every 5 days. Most recently, Tether was updated on October 1, 2026 and Kyanite Pro on October 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.*