# 「一級建築士」受験対策 vs シラス

The clearest difference is review sentiment: 「一級建築士」受験対策 at 87% against シラス's 45%. 「一級建築士」受験対策 also leads on iOS requirement (15.6 vs 17.6). シラス's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. 「一級建築士」受験対策 sells 1 one-off in-app purchase. シラス asks for nothing beyond the download.

「一級建築士」受験対策 ships an update every 3 months, シラス every 3 weeks. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 「一級建築士」受験対策 | シラス |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id6450448654/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **86.5% of reviews** | 45.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 46 MB | 49 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [TK office](https://appshunter.io/developer/532066480) | [Shirasu LLC](https://appshunter.io/developer/1693341807) |

## What reviewers say

### 「一級建築士」受験対策

[App page](https://appshunter.io/ios/app/id628381163)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 問題アンロック | $11.99 | one-time |


### シラス

[App page](https://appshunter.io/ios/app/id6450448654)

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

**In-app purchases:** none


## Frequently asked questions

### Is 「一級建築士」受験対策 free?

「一級建築士」受験対策 is free to download, with in-app purchases available.

### Is シラス free?

シラス is free to download, with no in-app purchases.

### Do 「一級建築士」受験対策 or シラス have ads?

Neither 「一級建築士」受験対策 nor シラス shows ads.

### Which is updated more often, 「一級建築士」受験対策 or シラス?

「一級建築士」受験対策 ships an update every 3 months, and シラス every 3 weeks. Most recently, 「一級建築士」受験対策 was updated on October 18, 2026 and シラス on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*