# MAMOR vs Planetarium VR

The clearest difference is monetization model: Planetarium VR at free with in-app purchases against MAMOR's subscription. Planetarium VR also leads on update cadence (every 6 months vs every 12 months). MAMOR's advantage is iOS requirement (9.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MAMOR sells 1 in-app purchase, starting at $4.99 per month and Planetarium VR sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MAMOR ships an update every 12 months, Planetarium VR every 6 months. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | MAMOR | Planetarium VR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (5 ratings)](https://appshunter.io/ios/app/planetarium-vr/id1154347281/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 41.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 months** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 21 MB | 141 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DENTSU INC.](https://appshunter.io/developer/326362308) | [Taosoftware Inc.](https://appshunter.io/developer/558446291) |

## What reviewers say

### MAMOR

[App page](https://appshunter.io/ios/app/mamor/id700693565)

Explore Japan's defense news, Self-Defense Forces' basic knowledge, unit activities, and equipment with engaging articles and striking photos. This official magazine offers insights into the forefront of national defense in an enjoyable format.

**Highlights:** Latest defense news features, Self-Defense Forces basics, Unit activity showcases, Equipment introductions, High-impact photography, Official defense magazine

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MAMOR | $4.99 | per month |


### Planetarium VR

[App page](https://appshunter.io/ios/app/planetarium-vr/id1154347281)

Explore the night sky with this virtual planetarium. Using your device's GPS and sensors, you can identify constellations and over 3000 stars. It supports VR Cardboard for an immersive experience and offers options for viewing the sky in different scenarios.

**Highlights:** View over 3000 stars, Identify 88 constellations, Uses GPS and advanced sensors, Cardboard VR support, Simulates diurnal motion, Adjustable viewing locations

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solar system planets | $1.99 | one-time |


## Frequently asked questions

### Is MAMOR free?

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

### Is Planetarium VR free?

Planetarium VR is free to download, with in-app purchases available.

### Do MAMOR or Planetarium VR have ads?

Neither MAMOR nor Planetarium VR shows ads.

### Which is updated more often, MAMOR or Planetarium VR?

MAMOR ships an update every 12 months, and Planetarium VR every 6 months. Most recently, MAMOR was updated on November 11, 2026 and Planetarium VR on November 2, 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.*