# ABook SmartLink vs SPI3 言語 ｜資格問題演習アプリ

The clearest difference is in-app purchases: ABook SmartLink at none against SPI3 言語 ｜資格問題演習アプリ's 1. ABook SmartLink also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.6). SPI3 言語 ｜資格問題演習アプリ's advantage is update cadence (every 6 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. SPI3 言語 ｜資格問題演習アプリ sells 1 one-off in-app purchase. ABook SmartLink asks for nothing beyond the download.

ABook SmartLink ships an update every 4 months, SPI3 言語 ｜資格問題演習アプリ every 6 weeks. The most recent releases landed on September 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ABook SmartLink | SPI3 言語 ｜資格問題演習アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 82.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 19 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AGENTEC Co.,Ltd.](https://appshunter.io/developer/454472728) | [SAKURA LLC](https://appshunter.io/developer/982915828) |

## What reviewers say

### ABook SmartLink

[App page](https://appshunter.io/ios/app/abook-smartlink/id953899489)

**In-app purchases:** none


### SPI3 言語 ｜資格問題演習アプリ

[App page](https://appshunter.io/ios/app/spi3/id1565778707)

This app helps you efficiently study and pass exams by providing practice questions with detailed explanations. It offers features like bookmarking, reviewing missed questions, and timed tests to enhance your learning experience and track your progress.

**Highlights:** Practice questions by topic and level, Review missed and bookmarked questions, Timed tests to assess weaknesses, Detailed explanations for all questions, Adjustable text size, Learning history tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有料問題 | $2.99 | one-time |


## Frequently asked questions

### Is ABook SmartLink free?

ABook SmartLink is free to download, with no in-app purchases.

### Is SPI3 言語 ｜資格問題演習アプリ free?

SPI3 言語 ｜資格問題演習アプリ is free to download, with in-app purchases available.

### Do ABook SmartLink or SPI3 言語 ｜資格問題演習アプリ have ads?

SPI3 言語 ｜資格問題演習アプリ shows ads; ABook SmartLink does not.

### Which is updated more often, ABook SmartLink or SPI3 言語 ｜資格問題演習アプリ?

ABook SmartLink ships an update every 4 months, and SPI3 言語 ｜資格問題演習アプリ every 6 weeks. Most recently, ABook SmartLink was updated on September 27, 2026 and SPI3 言語 ｜資格問題演習アプリ on October 9, 2026.

---

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