# ScopeTool vs PF

The clearest difference is iOS requirement: ScopeTool at 9.0 against PF's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScopeTool ships an update every 9 months, PF every 11 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ScopeTool | PF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/scopetool/id826428287/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 11 months |
| Monetization | Free | — |
| Size | 6 MB | 8 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [H Crossley](https://appshunter.io/developer/826428290) | [Vixen Co.,Ltd.](https://appshunter.io/developer/536188843) |

## What reviewers say

### ScopeTool

[App page](https://appshunter.io/ios/app/scopetool/id826428287)

This app assists with telescope setup and alignment, providing tools like a compass, level, and calculators for celestial objects. It allows manual or GPS-based location input and offers customizable tool visibility for use in low light.

**Highlights:** Compass and level, Polaris hour angle calculator, Jupiter and Saturn moon positions, Red/white flashlight with timer, Manual or GPS location input, Customizable tool visibility

**Features:** macOS Compatibility

**In-app purchases:** none


### PF

[App page](https://appshunter.io/ios/app/pf-l-assist/id940306488)

**In-app purchases:** none


## Frequently asked questions

### Is ScopeTool free?

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

### Is PF free?

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

### Do ScopeTool or PF have ads?

Neither ScopeTool nor PF shows ads.

### Which is updated more often, ScopeTool or PF?

ScopeTool ships an update every 9 months, and PF every 11 months. Most recently, ScopeTool was updated on October 24, 2026 and PF on October 29, 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.*