# BrainBay vs 扇贝知卡

The clearest difference is update cadence: 扇贝知卡 at every 11 days against BrainBay's every 3 weeks. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for BrainBay against 5.0 for 扇贝知卡. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

BrainBay ships an update every 3 weeks, 扇贝知卡 every 11 days. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | BrainBay | 扇贝知卡 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/brainbay-brain-training/id6743699439/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/id6756336750/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free | Free |
| Size | 15 MB | 35 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Silverdragon Tech PTE. LTD](https://appshunter.io/developer/1635915308) | [Nanjing Treasure Island Information Technology Co., Ltd.](https://appshunter.io/developer/1646949971) |

## What reviewers say

### BrainBay

[App page](https://appshunter.io/ios/app/brainbay-brain-training/id6743699439)

A collection of classic brain-training puzzle games designed for quick play sessions. Enjoy Sudoku, 2048, memory matching, and 24-point challenges with a minimalist interface. More games are planned for future updates.

**Highlights:** Sudoku puzzles, 2048 number game, Memory matching, 24-point calculation, Minimalist interface, Multiple puzzle types

**Features:** macOS Compatibility

**In-app purchases:** none


### 扇贝知卡

[App page](https://appshunter.io/ios/app/id6756336750)

This app breaks down complex information into easy-to-understand flashcards, covering diverse topics like science and psychology. It's designed for efficient learning during short breaks, helping users build consistent study habits with visual progress tracking.

**Highlights:** Knowledge flashcards, Multi-topic content, Fragmented time learning, Daily learning check-ins, Visual progress tracking, Card set learning structure

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

**In-app purchases:** none


## Frequently asked questions

### Is BrainBay free?

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

### Is 扇贝知卡 free?

扇贝知卡 is free to download, with no in-app purchases.

### Which has better reviews, BrainBay or 扇贝知卡?

BrainBay and 扇贝知卡 are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do BrainBay or 扇贝知卡 have ads?

Neither BrainBay nor 扇贝知卡 shows ads.

### Which is updated more often, BrainBay or 扇贝知卡?

BrainBay ships an update every 3 weeks, and 扇贝知卡 every 11 days. Most recently, BrainBay was updated on November 4, 2026 and 扇贝知卡 on November 9, 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.*