# Sky Map vs theFirstMessage

The clearest difference is in-app purchases: theFirstMessage at none against Sky Map's 4. Sky Map's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sky Map sells 4 in-app purchases, starting at $9.99 per 7 days. theFirstMessage asks for nothing beyond the download.

Sky Map ships an update weekly, theFirstMessage every 2 months. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Sky Map | theFirstMessage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (44 ratings)](https://appshunter.io/ios/app/sky-map-constellation-finder/id6741057101/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 94.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 187 MB | 59 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Avinash Kumar](https://appshunter.io/developer/1720928487) | [Denys Matviienko](https://appshunter.io/developer/1895780715) |

## What reviewers say

### Sky Map

[App page](https://appshunter.io/ios/app/sky-map-constellation-finder/id6741057101)

Identify stars, planets, and constellations using augmented reality. Explore celestial bodies with real-time tracking, learn mythology, and track astronomical events. Perfect for anyone curious about the night sky.

**Highlights:** Real-time AR sky map, 88 constellations with artwork and mythology, Planet tracking, Astronomical event calendar, Tonight's sky conditions, Multiple sky culture views

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skymap Premium – Weekly | $9.99 | per 7 days |
| Stargazer Monthly Premium Plan | $24.99 | per month |
| Cosmic Explorer Annual Plan | $79.99 | per year |
| Celestial Master Lifetime Plan | $89.99 | one-time |


### theFirstMessage

[App page](https://appshunter.io/ios/app/thefirstmessage/id6764438319)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sky Map free?

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

### Is theFirstMessage free?

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

### Do Sky Map or theFirstMessage have ads?

Neither Sky Map nor theFirstMessage shows ads.

### Which is updated more often, Sky Map or theFirstMessage?

Sky Map ships an update weekly, and theFirstMessage every 2 months. Most recently, Sky Map was updated on October 17, 2026 and theFirstMessage on October 1, 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.*