# OwlPlot vs Graupe

The clearest difference is update cadence: OwlPlot at every 2 days against Graupe's every 4 months. OwlPlot also leads on device support (3 vs 1) and iOS requirement (18.0 vs 26.2). On price, 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.

OwlPlot ships an update every 2 days, Graupe every 4 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OwlPlot | Graupe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/owlplot-astro-photo-planner/id6758051045/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 months |
| Monetization | Free | — |
| Size | 26 MB | 6 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [BOBBY JOSE](https://appshunter.io/developer/1835817404) | [Lukas Zielinski](https://appshunter.io/developer/584848653) |

## What reviewers say

### OwlPlot

[App page](https://appshunter.io/ios/app/owlplot-astro-photo-planner/id6758051045)

Plan your astrophotography sessions with detailed information on celestial events, light conditions, and weather. Features augmented reality sky views, exposure calculators, and alignment tools for perfect shots.

**Highlights:** Golden hour and blue hour timing, Sunrise, sunset, and twilight phases, Moonrise, moonset, and phase tracking, Augmented reality sky view, Exposure and star trail calculators, Alignment planner for landmarks, Night vision mode

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Graupe

[App page](https://appshunter.io/ios/app/graupe/id6759452286)

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

**In-app purchases:** none


## Frequently asked questions

### Is OwlPlot free?

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

### Is Graupe free?

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

### Do OwlPlot or Graupe have ads?

Neither OwlPlot nor Graupe shows ads.

### Which is updated more often, OwlPlot or Graupe?

OwlPlot ships an update every 2 days, and Graupe every 4 months. Most recently, OwlPlot was updated on November 9, 2026 and Graupe on October 31, 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.*