# オンライン個別指導 そら塾 vs 赤シート英単語 英文法/英会話/英検®/TOEIC

The clearest difference is in-app purchases: オンライン個別指導 そら塾 at none against 赤シート英単語 英文法/英会話/英検®/TOEIC's 13. オンライン個別指導 そら塾 also leads on iOS requirement (15.0 vs 18.0). 赤シート英単語 英文法/英会話/英検®/TOEIC's advantage is update cadence (every 3 days vs every 2 weeks) and review sentiment (54% vs 45%). On price, ads and device support there is nothing between them.

Both are free to download. 赤シート英単語 英文法/英会話/英検®/TOEIC sells 13 in-app purchases, starting at $8.99 per month. オンライン個別指導 そら塾 asks for nothing beyond the download.

オンライン個別指導 そら塾 ships an update every 2 weeks, 赤シート英単語 英文法/英会話/英検®/TOEIC every 3 days. The most recent releases landed on October 17, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | オンライン個別指導 そら塾 | 赤シート英単語 英文法/英会話/英検®/TOEIC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/toeic/id6749865705/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 45.0% of reviews | **53.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 63 MB | 53 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SPRIX Inc.](https://appshunter.io/developer/625692678) | [Ryu Komahashi](https://appshunter.io/developer/1685370765) |

## What reviewers say

### オンライン個別指導 そら塾

[App page](https://appshunter.io/ios/app/id1522864193)

This is a dedicated application for students of Sora Juku online tutoring. It provides access to educational content and resources for registered users.

**Highlights:** Exclusive student access, Online tutoring resources, Educational content delivery, Dedicated student platform

**Features:** Vision Pro support

**In-app purchases:** none


### 赤シート英単語 英文法/英会話/英検®/TOEIC

[App page](https://appshunter.io/ios/app/toeic/id6749865705)

Master English vocabulary and grammar with a classic red-sheet memorization method adapted for mobile. This all-in-one app supports various learning goals, from TOEIC and Eiken to university entrance exams and conversational English, offering multiple study modes and progress tracking.

**Highlights:** Red-sheet memorization method, Multiple study modes (quiz, timed, writing, audio), Comprehensive courses (TOEIC, Eiken, exams, conversation), Grammar and reading comprehension lessons, Progress tracking and statistics, Customizable vocabulary lists, Widget and Live Activity support

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1ヶ月プラン | $8.99 | per month |
| 1ヶ月プラン | $14.99 | per month |
| 3ヶ月プラン | $17.99 | per 3 months |
| 3ヶ月プラン | $29.99 | per 3 months |
| 1年プラン | $39.99 | per year |
| 1年プラン | $99.99 | per year |
| 1ヶ月プラン | $119.99 | per month |
| お試しプラン | $199.99 | per year |
| お試しプラン | $199.99 | per year |
| 3ヶ月プラン | $199.99 | per 3 months |
| 1年プラン | $299.99 | per year |
| 買い切りプラン | $59.99 | one-time |
| 買い切りプラン | $149.99 | one-time |


## Frequently asked questions

### Is オンライン個別指導 そら塾 free?

オンライン個別指導 そら塾 is free to download, with no in-app purchases.

### Is 赤シート英単語 英文法/英会話/英検®/TOEIC free?

赤シート英単語 英文法/英会話/英検®/TOEIC is free to download, with in-app purchases available.

### Do オンライン個別指導 そら塾 or 赤シート英単語 英文法/英会話/英検®/TOEIC have ads?

Neither オンライン個別指導 そら塾 nor 赤シート英単語 英文法/英会話/英検®/TOEIC shows ads.

### Which is updated more often, オンライン個別指導 そら塾 or 赤シート英単語 英文法/英会話/英検®/TOEIC?

オンライン個別指導 そら塾 ships an update every 2 weeks, and 赤シート英単語 英文法/英会話/英検®/TOEIC every 3 days. Most recently, オンライン個別指導 そら塾 was updated on October 17, 2026 and 赤シート英単語 英文法/英会話/英検®/TOEIC on October 22, 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.*