# StarrySkyVideo vs AI CometStack

The clearest difference is price: AI CometStack at Free against StarrySkyVideo's $0.99. StarrySkyVideo's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

AI CometStack is free to download; StarrySkyVideo costs $0.99 up front. AI CometStack sells 1 in-app purchase, starting at $9.99 per year. StarrySkyVideo asks for nothing beyond the download.

## The numbers

| Metric | StarrySkyVideo | AI CometStack |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | — |
| Monetization | Paid | — |
| Size | 38 MB | 105 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HIROFUMI MARUO](https://appshunter.io/developer/667820705) | [yong chong loh](https://appshunter.io/developer/393466709) |

## What reviewers say

### StarrySkyVideo

[App page](https://appshunter.io/ios/app/starryskyvideo/id1234890416)

Capture stunning night sky videos with ultra-high sensitivity. This app synthesizes up to 10 images per frame to create bright, detailed star trajectory videos, even in low light. Record for extended periods and adjust playback speed for dynamic celestial views.

**Highlights:** Ultra-high sensitivity night sky video, Comparative brightness synthesis, Adjustable recording time (5 mins to 5 hours), Adjustable playback speed (10x to 300x), Automatic shutter interval setting, Save partial recordings on cancellation

**Features:** macOS Compatibility

**In-app purchases:** none


### AI CometStack

[App page](https://appshunter.io/ios/app/ai-cometstack-comet-stacking/id6770419588)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $9.99 | per year |


## Frequently asked questions

### Is StarrySkyVideo free?

StarrySkyVideo costs $0.99, with no in-app purchases.

### Is AI CometStack free?

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

### Do StarrySkyVideo or AI CometStack have ads?

Neither StarrySkyVideo nor AI CometStack 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.*