# 记乎 vs Void Card

The clearest difference is in-app purchases: Void Card at none against 记乎's 16. 记乎's advantage is update cadence (every 2 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 记乎 sells 16 one-off in-app purchases. Void Card asks for nothing beyond the download.

记乎 ships an update every 2 days, Void Card every 3 months. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 记乎 | Void Card |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (35 ratings)](https://appshunter.io/ios/app/id1460634473/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 82.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 87 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [四川金字塔教育咨询有限公司](https://appshunter.io/developer/1194953013) | [星凌 陈](https://appshunter.io/developer/937700129) |

## What reviewers say

### 记乎

[App page](https://appshunter.io/ios/app/id1460634473)

This app uses the Ebbinghaus forgetting curve to schedule smart reviews, helping you memorize information more effectively with less time. It offers a vast library of study materials and allows for custom card creation, group learning, and content sharing.

**Highlights:** Intelligent review scheduling, Extensive card packs for various exams, Customizable flashcard types, Practice quizzes and error review, Collaborative learning with classes, Content sharing and monetization, Cross-device cloud synchronization

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6个记乎币 | $0.99 | one-time |
| 1记乎币 | $0.99 | one-time |
| 10记乎币 | $0.99 | one-time |
| 云空间扩容包10G | $1.99 | one-time |
| 18记乎币 | $2.99 | one-time |
| 记乎月度会员 | $2.99 | one-time |
| 20记乎币 | $2.99 | one-time |
| 记乎季度会员 | $3.99 | one-time |
| 28记乎币 | $3.99 | one-time |
| 季度会员 | $4.99 | one-time |
| 40记乎币 | $5.99 | one-time |
| 云空间扩容包50G | $7.99 | one-time |
| 记乎年度会员 | $9.99 | one-time |
| 年度会员 | $9.99 | one-time |
| 88记乎币 | $12.99 | one-time |
| 188记乎币 | $29.99 | one-time |


### Void Card

[App page](https://appshunter.io/ios/app/void-card/id6782636210)

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

**In-app purchases:** none


## Frequently asked questions

### Is 记乎 free?

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

### Is Void Card free?

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

### Do 记乎 or Void Card have ads?

Neither 记乎 nor Void Card shows ads.

### Which is updated more often, 记乎 or Void Card?

记乎 ships an update every 2 days, and Void Card every 3 months. Most recently, 记乎 was updated on October 20, 2026 and Void Card on October 6, 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.*