# SkyLens Star vs Deep Sky Scanner

The clearest difference is update cadence: Deep Sky Scanner at every 3 days against SkyLens Star's every 2 weeks. Deep Sky Scanner also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). 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.

SkyLens Star ships an update every 2 weeks, Deep Sky Scanner every 3 days. The most recent releases landed on October 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SkyLens Star | Deep Sky Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 3 MB | 2 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [承宇 万](https://appshunter.io/developer/1467877310) | [Chris Eddy](https://appshunter.io/developer/6809615073) |

## What reviewers say

### SkyLens Star

[App page](https://appshunter.io/ios/app/skylens-star/id6803046382)

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

**In-app purchases:** none


### Deep Sky Scanner

[App page](https://appshunter.io/ios/app/deep-sky-scanner/id6809615071)

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

**In-app purchases:** none


## Frequently asked questions

### Is SkyLens Star free?

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

### Is Deep Sky Scanner free?

Deep Sky Scanner is free to download, with no in-app purchases.

### Do SkyLens Star or Deep Sky Scanner have ads?

Neither SkyLens Star nor Deep Sky Scanner shows ads.

### Which is updated more often, SkyLens Star or Deep Sky Scanner?

SkyLens Star ships an update every 2 weeks, and Deep Sky Scanner every 3 days. Most recently, SkyLens Star was updated on October 22, 2026 and Deep Sky Scanner on October 7, 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.*