# DUX vs Keepthat

The clearest difference is update cadence: Keepthat at fortnightly against DUX's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DUX sells 8 in-app purchases, starting at $1.99 per month and Keepthat sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

DUX ships an update every 3 months, Keepthat fortnightly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DUX | Keepthat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/dux-ux-learning-roadmap/id6476490184/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 7 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AmirHossein Golmohammadi](https://appshunter.io/developer/1222485936) | [Valeriia Tsova](https://appshunter.io/developer/1792714702) |

## What reviewers say

### DUX

[App page](https://appshunter.io/ios/app/dux-ux-learning-roadmap/id6476490184)

Master user experience design with a comprehensive guide to design principles. Explore interactive examples, case studies, and practical tips to enhance your digital creations. Ideal for designers and enthusiasts looking to create captivating user experiences.

**Highlights:** Comprehensive design principles, Interactive learning modules, Practical implementation tips, User-friendly interface, Case studies and examples

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Account - 1 Month | $1.99 | per month |
| Pro Account - 3 Month | $5.99 | per 3 months |
| Pro Account - Unlimited Hearts | $7.99 | per year |
| 50 Dux Points | $0.99 | one-time |
| 250 Dux Points | $3.99 | one-time |
| Extra Lesson | $3.99 | one-time |
| 500 Dux Points | $7.99 | one-time |
| 1000 Dux Points | $14.99 | one-time |


### Keepthat

[App page](https://appshunter.io/ios/app/keepthat-ai-memory-and-recall/id6758964305)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keep That Pro Monthly | $9.99 | per month |
| Keep That Pro Annual | $99.99 | per year |


## Frequently asked questions

### Is DUX free?

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

### Is Keepthat free?

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

### Do DUX or Keepthat have ads?

Neither DUX nor Keepthat shows ads.

### Which is updated more often, DUX or Keepthat?

DUX ships an update every 3 months, and Keepthat fortnightly. Most recently, DUX was updated on October 30, 2026 and Keepthat on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*