# SpaceStationAR vs SPI言語 【Study Pro】

The clearest difference is in-app purchases: SpaceStationAR at none against SPI言語 【Study Pro】's 1. SpaceStationAR also leads on update cadence (weekly vs monthly) and device support (4 vs 2). SPI言語 【Study Pro】's advantage is iOS requirement (9.0 vs 15.6). On price, review sentiment and ads there is nothing between them.

SpaceStationAR costs $2.99 and SPI言語 【Study Pro】 $2.99 up front. SPI言語 【Study Pro】 sells 1 one-off in-app purchase. SpaceStationAR asks for nothing beyond the download.

SpaceStationAR ships an update weekly, SPI言語 【Study Pro】 monthly. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SpaceStationAR | SPI言語 【Study Pro】 |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[4.8 (117 ratings)](https://appshunter.io/ios/app/spacestationar/id361194118/reviews)** | — |
| Number of ratings | **117** | — |
| Positive reviews | 65.5% of reviews | **70.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 24 MB | 8 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Toriningen Co.,Ltd.](https://appshunter.io/developer/361194121) | [Study Pro](https://appshunter.io/developer/476550254) |

## 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


### SPI言語 【Study Pro】

[App page](https://appshunter.io/ios/app/spi-study-pro/id476550251)

This app helps users prepare for the SPI language test with a large question bank and detailed explanations. It features an optimal learning mode that prioritizes difficult and unlearned questions, along with a high-function handwriting memo tool.

**Highlights:** Optimal learning mode, 232 practice questions, Detailed explanations for all questions, Handwriting memo tool, Covers various language categories

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SPI英語(ENG) | $0.99 | one-time |


## Frequently asked questions

### Is SpaceStationAR free?

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

### Is SPI言語 【Study Pro】 free?

SPI言語 【Study Pro】 costs $2.99, and also offers in-app purchases.

### Do SpaceStationAR or SPI言語 【Study Pro】 have ads?

Neither SpaceStationAR nor SPI言語 【Study Pro】 shows ads.

### Which is updated more often, SpaceStationAR or SPI言語 【Study Pro】?

SpaceStationAR ships an update weekly, and SPI言語 【Study Pro】 monthly. Most recently, SpaceStationAR was updated on October 14, 2026 and SPI言語 【Study Pro】 on October 10, 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.*