# Stars Blinker vs Gazulation

The clearest difference is in-app purchases: Gazulation at none against Stars Blinker's 1. Gazulation also leads on device support (3 vs 1). Stars Blinker's advantage is iOS requirement (12.0 vs 15.0). On price and ads there is nothing between them.

Both are free to download. Stars Blinker sells 1 one-off in-app purchase. Gazulation asks for nothing beyond the download.

## The numbers

| Metric | Stars Blinker | Gazulation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/stars-blinker/id1569633657/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | Free | — |
| Size | 25 MB | 17 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roberto De Lorenzo](https://appshunter.io/developer/692760870) | [Li Yong Teng](https://appshunter.io/developer/6788149756) |

## What reviewers say

### Stars Blinker

[App page](https://appshunter.io/ios/app/stars-blinker/id1569633657)

This app helps deep-sky photographers compare two images of the same celestial area taken at different times. It highlights changes in object position or brightness by blinking them, making it easier to spot phenomena like variable stars or asteroids.

**Highlights:** Compare two deep-sky images, Highlight changes in object position/brightness, Align images using three stars, Use images from different instruments, Adjust blinking interval, Save animations as movies

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $1.99 | one-time |


### Gazulation

[App page](https://appshunter.io/ios/app/gazulation/id6788149754)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stars Blinker free?

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

### Is Gazulation free?

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

### Do Stars Blinker or Gazulation have ads?

Neither Stars Blinker nor Gazulation 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.*