# 消費税法　無敵の一問一答 vs Focusi

The clearest difference is update cadence: Focusi at every 5 weeks against 消費税法　無敵の一問一答's every 3 months. 消費税法　無敵の一問一答's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. 消費税法　無敵の一問一答 sells 1 one-off in-app purchase and Focusi sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

消費税法　無敵の一問一答 ships an update every 3 months, Focusi every 5 weeks. The most recent releases landed on August 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 消費税法　無敵の一問一答 | Focusi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (14 ratings)](https://appshunter.io/ios/app/focusi-study-timer/id1318534582/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | **63.6% of reviews** | 61.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 63 MB | 60 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Kawakami](https://appshunter.io/developer/994172232) | [Jordan Holland](https://appshunter.io/developer/1041851744) |

## What reviewers say

### 消費税法　無敵の一問一答

[App page](https://appshunter.io/ios/app/id994172233)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 機能アップデート | $59.99 | one-time |


### Focusi

[App page](https://appshunter.io/ios/app/focusi-study-timer/id1318534582)

Enhance concentration with a simple countdown and study timer. Ideal for homework, revision, or the Pomodoro technique, this app helps users stay focused and productive.

**Highlights:** Multiple customizable time frames, Pomodoro and break sessions, Stopwatch functionality, Pause and stop controls, Optional finish alerts, Focus improvement tips, Session tagging, Hard mode for distraction-free focus

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Focusi Premium | $2.99 | per month |
| Focusi Premium | $19.99 | one-time |


## Frequently asked questions

### Is 消費税法　無敵の一問一答 free?

消費税法　無敵の一問一答 is free to download, with in-app purchases available.

### Is Focusi free?

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

### Do 消費税法　無敵の一問一答 or Focusi have ads?

Both 消費税法　無敵の一問一答 and Focusi show ads.

### Which is updated more often, 消費税法　無敵の一問一答 or Focusi?

消費税法　無敵の一問一答 ships an update every 3 months, and Focusi every 5 weeks. Most recently, 消費税法　無敵の一問一答 was updated on August 24, 2026 and Focusi on September 26, 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.*