# SPI対策 AIナビスタ｜テストセンター/Webテスト vs BRIEF

SPI対策 AIナビスタ｜テストセンター/Webテスト and BRIEF are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. SPI対策 AIナビスタ｜テストセンター/Webテスト sells 2 in-app purchases, starting at $14.99 per 7 days and BRIEF sells 1 in-app purchase, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

SPI対策 AIナビスタ｜テストセンター/Webテスト ships an update weekly, BRIEF fortnightly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SPI対策 AIナビスタ｜テストセンター/Webテスト | BRIEF |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 82.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 61 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PINTOR Inc.](https://appshunter.io/developer/1482655340) | [SOUNDGYM](https://appshunter.io/developer/1435863214) |

## What reviewers say

### SPI対策 AIナビスタ｜テストセンター/Webテスト

[App page](https://appshunter.io/ios/app/spi-aiweb/id6746814960)

This app offers AI-powered support for SPI test preparation, featuring extensive practice questions, video explanations, and 24/7 AI tutoring. It creates personalized study plans to guide users towards the quickest path to passing the exam.

**Highlights:** AI-generated personalized study plans, Over 50 hours of video explanations, 24/7 AI tutor support, 2,500+ practice questions, Handwritten memo function, Automatic error tracking and review

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1週間プラン | $14.99 | per 7 days |
| プレミアムプラン | $29.99 | per month |


### BRIEF

[App page](https://appshunter.io/ios/app/brief-english-interview-prep/id6801563872)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $19.99 | per month |


## Frequently asked questions

### Is SPI対策 AIナビスタ｜テストセンター/Webテスト free?

SPI対策 AIナビスタ｜テストセンター/Webテスト is free to download, with in-app purchases available.

### Is BRIEF free?

BRIEF is free to download, with in-app purchases available.

### Do SPI対策 AIナビスタ｜テストセンター/Webテスト or BRIEF have ads?

Neither SPI対策 AIナビスタ｜テストセンター/Webテスト nor BRIEF shows ads.

### Which is updated more often, SPI対策 AIナビスタ｜テストセンター/Webテスト or BRIEF?

SPI対策 AIナビスタ｜テストセンター/Webテスト ships an update weekly, and BRIEF fortnightly. Most recently, SPI対策 AIナビスタ｜テストセンター/Webテスト was updated on October 28, 2026 and BRIEF on October 25, 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.*