# Stellarium Mobile vs AMA Postural

The clearest difference is in-app purchases: AMA Postural at none against Stellarium Mobile's 2. AMA Postural also leads on update cadence (fortnightly vs every 5 weeks). Stellarium Mobile's advantage is chart position (#96 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Stellarium Mobile sells 2 in-app purchases, starting at $1.99 per month. AMA Postural asks for nothing beyond the download.

Stellarium Mobile ships an update every 5 weeks, AMA Postural fortnightly. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Stellarium Mobile | AMA Postural |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (39K ratings)](https://appshunter.io/ios/app/stellarium-mobile-star-map/id1458716890/reviews)** | — |
| Number of ratings | **39K** | — |
| Positive reviews | 84.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#96** | — |
| Size | 456 MB | 50 MB |
| Requires iOS | 17 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Noctua Software Ltd](https://appshunter.io/developer/629435881) | [AMA Postural](https://appshunter.io/developer/1842417232) |

## What reviewers say

### Stellarium Mobile

[App page](https://appshunter.io/ios/app/stellarium-mobile-star-map/id1458716890)

**Currently charting:** #96 Top Free · Education (US App Store)

Explore the night sky with a real-time planetarium. Identify stars, planets, constellations, and satellites by simply pointing your phone. Offers detailed astronomical data and cultural constellation interpretations.

**Highlights:** Real-time sky simulation, Identify stars, planets, satellites, Constellation shapes and illustrations, Deep sky object catalog, Night mode for eye comfort, Telescope control (Plus)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stellarium PLUS | $1.99 | per month |
| Stellarium PLUS | $18.99 | one-time |

**What reviewers like**

- 🌟 Fabulous star tracking
- 🌌 Detailed night sky information
- 🔭 Helpful for stargazing and astronomy
- 👍 User-friendly interface
- 🌍 Accurate for different locations

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🔍 Difficulty finding some objects
- 🌓 Inaccurate moon/planet positions in daylight
- 🔧 Calibration issues with compass
- 💰 Paid version may not justify the cost

**Reported bugs**

- Compass not working properly
- Favorites list disappearing
- Inconsistent performance on different devices

**Requested features**

- Notifications for astronomical events
- More customization options
- Integration with camera for AR overlay
- Better support for telescopes and mounts
- Improved search and navigation


### AMA Postural

[App page](https://appshunter.io/ios/app/ama-postural/id6753089418)

**In-app purchases:** none


## Frequently asked questions

### Is Stellarium Mobile free?

Stellarium Mobile is free to download, with in-app purchases available.

### Is AMA Postural free?

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

### Do Stellarium Mobile or AMA Postural have ads?

Neither Stellarium Mobile nor AMA Postural shows ads.

### Which is updated more often, Stellarium Mobile or AMA Postural?

Stellarium Mobile ships an update every 5 weeks, and AMA Postural fortnightly. Most recently, Stellarium Mobile was updated on October 22, 2026 and AMA Postural on October 15, 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.*