# SpaceStationAR vs 自主保全士 2級 学科問題集

The clearest difference is review sentiment: SpaceStationAR at 65% against 自主保全士 2級 学科問題集's 0%. SpaceStationAR also leads on price ($2.99 vs $3.99). 自主保全士 2級 学科問題集's advantage is iOS requirement (11.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

SpaceStationAR costs $2.99 and 自主保全士 2級 学科問題集 $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SpaceStationAR ships an update weekly, 自主保全士 2級 学科問題集 every 6 days. The most recent releases landed on October 2, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SpaceStationAR | 自主保全士 2級 学科問題集 |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | **[4.8 (117 ratings)](https://appshunter.io/ios/app/spacestationar/id361194118/reviews)** | — |
| Number of ratings | **117** | — |
| Positive reviews | **65.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 24 MB | 50 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Toriningen Co.,Ltd.](https://appshunter.io/developer/361194121) | [株式会社キイロ乃カモ](https://appshunter.io/developer/1796537168) |

## What reviewers say

### SpaceStationAR

[App page](https://appshunter.io/ios/app/spacestationar/id361194118)

Visualize satellites, stars, and galaxies in augmented reality. Track the International Space Station, Starlink trains, and more overlaid on your surroundings. Access celestial charts, event calendars, and receive notifications for upcoming passes.

**Highlights:** AR satellite pass simulation, Real-time satellite tracking, Display of stars, galaxies, and spacecraft, Satellite orbits on maps and charts, Calendar of upcoming passes and launches, Satellite pass notifications, Night Observation Mode

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### 自主保全士 2級 学科問題集

[App page](https://appshunter.io/ios/app/2/id6467083000)

This app provides a comprehensive study guide for the Level 2 Jishu Hozen Shi certification exam. It features ad-free, offline access to practice questions with detailed explanations, covering the latest official curriculum. Track your progress and review incorrect answers to prepare effectively for the exam.

**Highlights:** Ad-free practice questions, Detailed explanations, Offline study capability, Covers latest official curriculum, Randomized question sets, Review incorrect answers

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

**In-app purchases:** none


## Frequently asked questions

### Is SpaceStationAR free?

SpaceStationAR costs $2.99, with no in-app purchases.

### Is 自主保全士 2級 学科問題集 free?

自主保全士 2級 学科問題集 costs $3.99, with no in-app purchases.

### Do SpaceStationAR or 自主保全士 2級 学科問題集 have ads?

Neither SpaceStationAR nor 自主保全士 2級 学科問題集 shows ads.

### Which is updated more often, SpaceStationAR or 自主保全士 2級 学科問題集?

SpaceStationAR ships an update weekly, and 自主保全士 2級 学科問題集 every 6 days. Most recently, SpaceStationAR was updated on October 2, 2026 and 自主保全士 2級 学科問題集 on September 18, 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.*