# StudyRank vs 情報の王様

The clearest difference is in-app purchases: StudyRank at none against 情報の王様's 3. StudyRank also leads on ads (none vs shown). 情報の王様's advantage is review sentiment (86% vs 62%) and iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 情報の王様 sells 3 in-app purchases, starting at $1.99 per month. StudyRank asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | StudyRank | 情報の王様 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 61.5% of reviews | **85.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 138 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yusuke Uemura](https://appshunter.io/developer/1597395122) | [HANAUTA INC.](https://appshunter.io/developer/492009717) |

## What reviewers say

### StudyRank

[App page](https://appshunter.io/ios/app/studyrank/id1597395120)

This app gamifies study time by converting your focused effort into virtual currency. Track your progress, share your achievements on social media, and review your past study sessions.

**Highlights:** Study timer with virtual currency conversion, SNS sharing of study time, Progress tracking and history, Gamified learning experience

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

**In-app purchases:** none


### 情報の王様

[App page](https://appshunter.io/ios/app/1/id6467608924)

Master high school information studies with this quiz-style app. It offers over 1000 questions in Q&A and multiple-choice formats, perfect for quick study sessions, exam preparation, and reinforcing key concepts. Enjoy a game-like experience with rewards for clearing stages.

**Highlights:** Over 1000 Q&A and multiple-choice questions, Short play sessions for flexible study, Covers high school and university exam material, Game-like progression with stage clearing, Gift rewards for completing quests, Efficient memorization of key points

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 特訓プラン | $1.99 | per month |
| 特訓プラン | $11.99 | per 6 months |
| 特訓プラン | $19.99 | per year |


## Frequently asked questions

### Is StudyRank free?

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

### Is 情報の王様 free?

情報の王様 is free to download, with in-app purchases available.

### Do StudyRank or 情報の王様 have ads?

情報の王様 shows ads; StudyRank does not.

### Which is updated more often, StudyRank or 情報の王様?

StudyRank ships an update every 6 weeks, and 情報の王様 every 6 weeks. Most recently, StudyRank was updated on October 13, 2026 and 情報の王様 on October 24, 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.*