# 브레인메이트 vs 리드키(ReadKey)

The clearest difference is in-app purchases: 리드키(ReadKey) at none against 브레인메이트's 2. 브레인메이트's advantage is update cadence (weekly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 브레인메이트 sells 2 in-app purchases, starting at $9.99 per month. 리드키(ReadKey) asks for nothing beyond the download.

브레인메이트 ships an update weekly, 리드키(ReadKey) every 6 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 브레인메이트 | 리드키(ReadKey) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6553989954/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 months |
| Monetization | Free | — |
| Size | 38 MB | 61 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [서사](https://appshunter.io/developer/1563870025) | [Goodwillhunting, Inc](https://appshunter.io/developer/1061875607) |

## What reviewers say

### 브레인메이트

[App page](https://appshunter.io/ios/app/id6553989954)

This app offers a 10-minute daily learning routine for students, focusing on memory retention through short, concept-based readings and quizzes. It covers subjects like social studies, science, and current events, designed to build strong foundational knowledge and improve literacy and critical thinking skills.

**Highlights:** 10-minute daily learning sessions, Brain science-based learning design, Concept-based readings and quizzes, Covers social studies, science, current events, Improves literacy and critical thinking, Suitable for all grades (elementary to high school)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 브레인메이트 멤버십 정기구독 | $9.99 | per month |
| 브레인메이트 멤버십 | $99.99 | per year |


### 리드키(ReadKey)

[App page](https://appshunter.io/ios/app/readkey/id6748025836)

**In-app purchases:** none


## Frequently asked questions

### Is 브레인메이트 free?

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

### Is 리드키(ReadKey) free?

리드키(ReadKey) is free to download, with no in-app purchases.

### Do 브레인메이트 or 리드키(ReadKey) have ads?

Neither 브레인메이트 nor 리드키(ReadKey) shows ads.

### Which is updated more often, 브레인메이트 or 리드키(ReadKey)?

브레인메이트 ships an update weekly, and 리드키(ReadKey) every 6 months. Most recently, 브레인메이트 was updated on October 25, 2026 and 리드키(ReadKey) on October 24, 2026.

---

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