# My Sky vs Deep Sky Scanner

The clearest difference is in-app purchases: Deep Sky Scanner at none against My Sky's 1. Deep Sky Scanner also leads on update cadence (every 4 days vs every 3 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. My Sky sells 1 one-off in-app purchase. Deep Sky Scanner asks for nothing beyond the download.

My Sky ships an update every 3 months, Deep Sky Scanner every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | My Sky | Deep Sky Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 62 MB | 2 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [哲 洪](https://appshunter.io/developer/1875789985) | [Chris Eddy](https://appshunter.io/developer/6809615073) |

## What reviewers say

### My Sky

[App page](https://appshunter.io/ios/app/my-sky-deep-sky-star-map/id6759360405)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate to the Developer | $0.99 | one-time |


### 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 My Sky free?

My Sky is free to download, with in-app purchases available.

### Is Deep Sky Scanner free?

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

### Do My Sky or Deep Sky Scanner have ads?

Neither My Sky nor Deep Sky Scanner shows ads.

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

My Sky ships an update every 3 months, and Deep Sky Scanner every 4 days. Most recently, My Sky was updated on October 25, 2026 and Deep Sky Scanner on October 24, 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.*