# Memorization Techniques vs RT Online

The clearest difference is in-app purchases: RT Online at none against Memorization Techniques's 1. Memorization Techniques's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Memorization Techniques sells 1 one-off in-app purchase. RT Online asks for nothing beyond the download.

Memorization Techniques ships an update every 10 days, RT Online every 3 weeks. The most recent releases landed on October 5, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Memorization Techniques | RT Online |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 196 MB | 65 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | +4 | 17+ |
| Developer | [Man Hung Sun](https://appshunter.io/developer/1471605573) | [Yulianto Venturo](https://appshunter.io/developer/1629362046) |

## What reviewers say

### Memorization Techniques

[App page](https://appshunter.io/ios/app/memorization-techniques/id1618263817)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $0.99 | one-time |


### RT Online

[App page](https://appshunter.io/ios/app/rt-online/id6535678495)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memorization Techniques free?

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

### Is RT Online free?

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

### Do Memorization Techniques or RT Online have ads?

Neither Memorization Techniques nor RT Online shows ads.

### Which is updated more often, Memorization Techniques or RT Online?

Memorization Techniques ships an update every 10 days, and RT Online every 3 weeks. Most recently, Memorization Techniques was updated on October 5, 2026 and RT Online on September 26, 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.*