# iOptron iPolar Mobile vs Tru

The clearest difference is price: Tru at Free against iOptron iPolar Mobile's $0.99. iOptron iPolar Mobile's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 18.2). On ads and device support there is nothing between them.

Tru is free to download; iOptron iPolar Mobile costs $0.99 up front. Tru sells 3 in-app purchases, starting at $1.99 per month. iOptron iPolar Mobile asks for nothing beyond the download.

## The numbers

| Metric | iOptron iPolar Mobile | Tru |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | Paid | — |
| Size | 1 MB | 7 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [成城 徐](https://appshunter.io/developer/564078964) | [Marco Frigerio](https://appshunter.io/developer/1873934230) |

## 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


### Tru

[App page](https://appshunter.io/ios/app/tru-control/id6758611832)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tru-Control Monthly Subscription | $1.99 | per month |
| Tru-Control Annual Subscription | $17.99 | per year |
| Tru-Control Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is iOptron iPolar Mobile free?

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

### Is Tru free?

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

### Do iOptron iPolar Mobile or Tru have ads?

Neither iOptron iPolar Mobile nor Tru 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.*