# Memory Helper vs 今知日课

The clearest difference is ads: 今知日课 at none against Memory Helper's shown. Memory Helper's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Memory Helper sells 2 in-app purchases, starting at $0.99 per month and 今知日课 sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Memory Helper ships an update every 2 weeks, 今知日课 fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Memory Helper | 今知日课 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/memory-helper-review-planner/id1622649802/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Subscription | — |
| Size | 20 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [彬彬 王](https://appshunter.io/developer/1456727551) | [惠桐 董](https://appshunter.io/developer/1822284792) |

## What reviewers say

### Memory Helper

[App page](https://appshunter.io/ios/app/memory-helper-review-planner/id1622649802)

This app helps you remember what you learn by using scientific memory management techniques based on the forgetting curve. It offers multi-platform synchronization, reminders, and puts you in control of your data. It aims to significantly improve your learning efficiency.

**Highlights:** Scientific memory management, Forgetting curve optimization, Multi-platform synchronization (iOS, Mac), Review reminders, Data control, Free to use

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Member Pro (Annual) | $0.99 | per month |
| Premium Member Pro (Annual) | $6.99 | per year |


### 今知日课

[App page](https://appshunter.io/ios/app/id6796895138)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 今知 Pro 月度会员 | $0.99 | per month |
| 今知 Pro 季度会员 | $1.99 | per 3 months |
| 今知 Max 月度会员 | $3.99 | per month |
| 今知 Max 季度会员 | $6.99 | per 3 months |
| 今知 Pro 年度会员 | $7.99 | per year |
| 今知 Max 年度会员 | $22.99 | per year |


## Frequently asked questions

### Is Memory Helper free?

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

### Is 今知日课 free?

今知日课 is free to download, with in-app purchases available.

### Do Memory Helper or 今知日课 have ads?

Memory Helper shows ads; 今知日课 does not.

### Which is updated more often, Memory Helper or 今知日课?

Memory Helper ships an update every 2 weeks, and 今知日课 fortnightly. Most recently, Memory Helper was updated on November 3, 2026 and 今知日课 on October 31, 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.*