# 防災Go！ vs SAA Solutions Architect Prep

The clearest difference is in-app purchases: 防災Go！ at none against SAA Solutions Architect Prep's 1. 防災Go！ also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SAA Solutions Architect Prep sells 1 one-off in-app purchase. 防災Go！ asks for nothing beyond the download.

防災Go！ ships an update weekly, SAA Solutions Architect Prep every 4 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | 防災Go！ | SAA Solutions Architect Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 484 MB | 189 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [CTI GRAND PLANNING CO., LTD.](https://appshunter.io/developer/1533912881) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### 防災Go！

[App page](https://appshunter.io/ios/app/go/id6752916846)

**Features:** macOS Compatibility

**In-app purchases:** none


### SAA Solutions Architect Prep

[App page](https://appshunter.io/ios/app/saa-solutions-architect-prep/id6775576279)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SAA Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is 防災Go！ free?

防災Go！ is free to download, with no in-app purchases.

### Is SAA Solutions Architect Prep free?

SAA Solutions Architect Prep is free to download, with in-app purchases available.

### Do 防災Go！ or SAA Solutions Architect Prep have ads?

Neither 防災Go！ nor SAA Solutions Architect Prep shows ads.

### Which is updated more often, 防災Go！ or SAA Solutions Architect Prep?

防災Go！ ships an update weekly, and SAA Solutions Architect Prep every 4 days. Most recently, 防災Go！ was updated on October 28, 2026 and SAA Solutions Architect Prep on October 28, 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.*