# Memory AI vs Learn by Teaching

The clearest difference is update cadence: Memory AI at every 3 days against Learn by Teaching's every 2 weeks. Memory AI also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Memory AI sells 4 in-app purchases, starting at $4.99 per 7 days and Learn by Teaching sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Memory AI ships an update every 3 days, Learn by Teaching every 2 weeks. The most recent releases landed on May 17, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Memory AI | Learn by Teaching |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 59 MB | 17 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Du Dai](https://appshunter.io/developer/1854781140) | [HUSNU CAN INANC](https://appshunter.io/developer/1858352600) |

## What reviewers say

### Memory AI

[App page](https://appshunter.io/ios/app/memory-ai-master-knowledge/id6755601288)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memory AI Pro Weekly | $4.99 | per 7 days |
| Memory AI Pro Yearly Discount | $49.99 | per year |
| Memory AI Pro Yearly | $99.99 | per year |
| Memory AI Pro Yearly | $99.99 | per year |


### Learn by Teaching

[App page](https://appshunter.io/ios/app/learn-by-teaching-explain2win/id6756080043)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Memory AI free?

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

### Is Learn by Teaching free?

Learn by Teaching is free to download, with in-app purchases available.

### Do Memory AI or Learn by Teaching have ads?

Neither Memory AI nor Learn by Teaching shows ads.

### Which is updated more often, Memory AI or Learn by Teaching?

Memory AI ships an update every 3 days, and Learn by Teaching every 2 weeks. Most recently, Memory AI was updated on May 17, 2026 and Learn by Teaching on September 12, 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.*