# Sahimel Navi vs 天文宇宙検定1級 過去問・暗記アプリ

The clearest difference is in-app purchases: Sahimel Navi at none against 天文宇宙検定1級 過去問・暗記アプリ's 3. Sahimel Navi also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). 天文宇宙検定1級 過去問・暗記アプリ's advantage is update cadence (fortnightly vs every 36 months). On price and device support there is nothing between them.

Both are free to download. 天文宇宙検定1級 過去問・暗記アプリ sells 3 one-off in-app purchases. Sahimel Navi asks for nothing beyond the download.

Sahimel Navi ships an update every 36 months, 天文宇宙検定1級 過去問・暗記アプリ fortnightly. The most recent releases landed on October 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sahimel Navi | 天文宇宙検定1級 過去問・暗記アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 36 months | **Fortnightly** |
| Size | 206 MB | 42 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [CAD CENTER CORPORATION](https://appshunter.io/developer/475975436) | [Hajime App Lab](https://appshunter.io/developer/1704838092) |

## What reviewers say

### Sahimel Navi

[App page](https://appshunter.io/ios/app/sahimel-navi/id1504204435)

**In-app purchases:** none


### 天文宇宙検定1級 過去問・暗記アプリ

[App page](https://appshunter.io/ios/app/1/id6784950185)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除 | $3.99 | one-time |
| 全問題解放 | $3.99 | one-time |
| 広告削除+全問題解放 | $5.99 | one-time |


## Frequently asked questions

### Is Sahimel Navi free?

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

### Is 天文宇宙検定1級 過去問・暗記アプリ free?

天文宇宙検定1級 過去問・暗記アプリ is free to download, with in-app purchases available.

### Do Sahimel Navi or 天文宇宙検定1級 過去問・暗記アプリ have ads?

天文宇宙検定1級 過去問・暗記アプリ shows ads; Sahimel Navi does not.

### Which is updated more often, Sahimel Navi or 天文宇宙検定1級 過去問・暗記アプリ?

Sahimel Navi ships an update every 36 months, and 天文宇宙検定1級 過去問・暗記アプリ fortnightly. Most recently, Sahimel Navi was updated on October 1, 2026 and 天文宇宙検定1級 過去問・暗記アプリ on November 5, 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.*
