# 滑记 vs Memory Ark

The clearest difference is monetization model: Memory Ark at free with in-app purchases against 滑记's subscription. Memory Ark also leads on rating (5.0 vs 4.8). 滑记's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (26 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 滑记 sells 19 in-app purchases, starting at $4.99 per month and Memory Ark sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Memory Ark holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 滑记 has 26 ratings behind it against 1, so its average is the more settled of the two.

滑记 ships an update fortnightly, Memory Ark every 2 months. The most recent releases landed on October 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 滑记 | Memory Ark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (26 ratings)](https://appshunter.io/ios/app/anki/id1563391530/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memory-ark/id6470735175/reviews)** |
| Number of ratings | **26** | 1 |
| Positive reviews | 89.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 112 MB | 6 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Shuyi Education Technology Co., Ltd.](https://appshunter.io/developer/1563391532) | [世超 徐](https://appshunter.io/developer/1688946625) |

## What reviewers say

### 滑记

[App page](https://appshunter.io/ios/app/anki/id1563391530)

This app uses spaced repetition and AI to create personalized study plans, helping users memorize key information efficiently for exams. It consolidates study materials into a digital flashcard format, saving time and enhancing learning.

**Highlights:** AI-driven dynamic study plans, Spaced repetition learning theory, Personalized review scheduling, Consolidated digital flashcards, Focus on key exam points, Memory efficiency improvement

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 滑记月度会员-自动订阅 | $4.99 | per month |
| 滑记年度会员-自动订阅 | $14.99 | per year |
| 滑记年度会员-自动订阅 | $39.99 | per year |
| 6 虾滑 | $0.99 | one-time |
| 18 虾滑 | $2.99 | one-time |
| 滑记月度会员 | $4.99 | one-time |
| 68 虾滑 | $9.99 | one-time |
| 滑记 1 年会员 | $14.99 | one-time |
| 信仰会员 | $14.99 | one-time |
| 信仰会员 | $19.99 | one-time |
| 滑记1年会员 | $22.99 | one-time |
| 信仰会员 | $29.99 | one-time |
| 滑记年度会员 | $29.99 | one-time |
| 滑记 3 年会员 | $39.99 | one-time |
| 滑记终身会员 | $39.99 | one-time |
| 滑记3年会员 | $49.99 | one-time |
| 信仰会员 | $59.99 | one-time |
| 滑记 5 年会员 | $59.99 | one-time |
| 滑记5年会员 | $69.99 | one-time |


### Memory Ark

[App page](https://appshunter.io/ios/app/memory-ark/id6470735175)

This app helps users combat forgetting by using the Ebbinghaus Forgetting Curve to create personalized review schedules. It offers features like task management, progress tracking, and smart rescheduling to make learning more efficient and effective.

**Highlights:** Ebbinghaus Forgetting Curve integration, Daily and calendar task management, Task categorization with tags, Detailed review session data, Customizable memory curves, Smart task rescheduling, Retroactive check-in for missed tasks

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $0.99 | per month |
| Annual Membership | $2.99 | per year |


## Frequently asked questions

### Is 滑记 free?

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

### Is Memory Ark free?

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

### Which has better reviews, 滑记 or Memory Ark?

Memory Ark is rated higher. 滑记 averages 4.8 out of 5 from 26 ratings, while Memory Ark averages 5.0 from 1 ratings.

### Do 滑记 or Memory Ark have ads?

Neither 滑记 nor Memory Ark shows ads.

### Which is updated more often, 滑记 or Memory Ark?

滑记 ships an update fortnightly, and Memory Ark every 2 months. Most recently, 滑记 was updated on October 10, 2026 and Memory Ark on September 19, 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.*