# iOptron iPolar Mobile vs KIES Tuner

The clearest difference is price: KIES Tuner at Free against iOptron iPolar Mobile's $0.99. iOptron iPolar Mobile's advantage is iOS requirement (13.0 vs 15.2). On ads, in-app purchases and device support there is nothing between them.

KIES Tuner is free to download; iOptron iPolar Mobile costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | iOptron iPolar Mobile | KIES Tuner |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/ioptron-ipolar-mobile/id6470996795/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 months |
| Monetization | Paid | — |
| Size | 1 MB | 2 MB |
| Requires iOS | **13.0** | 15.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [成城 徐](https://appshunter.io/developer/564078964) | [Kies Motorsports, LLC](https://appshunter.io/developer/1791952289) |

## What reviewers say

### iOptron iPolar Mobile

[App page](https://appshunter.io/ios/app/ioptron-ipolar-mobile/id6470996795)

This utility app assists users in polar aligning their telescope mounts quickly and efficiently. It connects to a specific portable computer and camera for optimal results.

**Highlights:** Polar alignment assistance, Connects to iPolar camera, Works with iMate portable computer, Quick alignment method, Telescope mount optimization

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

**In-app purchases:** none


### KIES Tuner

[App page](https://appshunter.io/ios/app/kies-tuner/id6740854535)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iOptron iPolar Mobile free?

iOptron iPolar Mobile costs $0.99, with no in-app purchases.

### Is KIES Tuner free?

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

### Do iOptron iPolar Mobile or KIES Tuner have ads?

Neither iOptron iPolar Mobile nor KIES Tuner shows ads.

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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.*