# 赤シート英単語 英文法/英会話/英検®/TOEIC vs Synaps｜AI学習＆ポモドーロ

The clearest difference is ads: 赤シート英単語 英文法/英会話/英検®/TOEIC at none against Synaps｜AI学習＆ポモドーロ's shown. Synaps｜AI学習＆ポモドーロ's advantage is review sentiment (63% vs 54%). On price, update cadence, in-app purchases and monetization model 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 and Synaps｜AI学習＆ポモドーロ sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

赤シート英単語 英文法/英会話/英検®/TOEIC ships an update every 3 days, Synaps｜AI学習＆ポモドーロ every 2 days. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 赤シート英単語 英文法/英会話/英検®/TOEIC | Synaps｜AI学習＆ポモドーロ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/synapsai/id6756655880/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 53.8% of reviews | **62.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 53 MB | 107 MB |
| Requires iOS | **18.0** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Ryu Komahashi](https://appshunter.io/developer/1685370765) | [Shota Iwamoto](https://appshunter.io/developer/1862097588) |

## What reviewers say

### 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 |


### Synaps｜AI学習＆ポモドーロ

[App page](https://appshunter.io/ios/app/synapsai/id6756655880)

This app combines a Pomodoro timer with a to-do list to enhance focus and productivity. It utilizes a 25-minute work, 5-minute break method to boost efficiency for studying and work. Track your progress with statistics and enjoy a calming water ripple effect for deep concentration.

**Highlights:** Pomodoro timer for focused work, Integrated to-do list, Task-based timer sessions, Concentration and reflection logging, Daily progress visualization, Calming water ripple effect

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SynaPlus（月額） | $0.99 | per month |
| SynaPro(月額) | $1.99 | per month |
| PROプラン：月額 | $1.99 | per month |
| SynaPlus.yearly | $11.99 | per year |
| SynaPro(年額) | $19.99 | per year |
| PROプラン：年額 | $19.99 | per year |


## Frequently asked questions

### 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.

### Is Synaps｜AI学習＆ポモドーロ free?

Synaps｜AI学習＆ポモドーロ is free to download, with in-app purchases available.

### Do 赤シート英単語 英文法/英会話/英検®/TOEIC or Synaps｜AI学習＆ポモドーロ have ads?

Synaps｜AI学習＆ポモドーロ shows ads; 赤シート英単語 英文法/英会話/英検®/TOEIC does not.

### Which is updated more often, 赤シート英単語 英文法/英会話/英検®/TOEIC or Synaps｜AI学習＆ポモドーロ?

赤シート英単語 英文法/英会話/英検®/TOEIC ships an update every 3 days, and Synaps｜AI学習＆ポモドーロ every 2 days. Most recently, 赤シート英単語 英文法/英会話/英検®/TOEIC was updated on October 9, 2026 and Synaps｜AI学習＆ポモドーロ on October 10, 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.*