# Dual vs Memoling

The clearest difference is price: Memoling at Free against Dual's $0.99. Dual's advantage is in-app purchases (none vs 7) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Memoling is free to download; Dual costs $0.99 up front. Memoling sells 7 in-app purchases, starting at $2.99 per 7 days. Dual asks for nothing beyond the download.

Dual ships an update every 2 days, Memoling weekly. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Dual | Memoling |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/dual-n-back/id6744232772/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Paid | — |
| Size | 1 MB | 108 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Andrew Tang](https://appshunter.io/developer/1806563018) | [PUBLIA OU](https://appshunter.io/developer/1822534245) |

## What reviewers say

### Dual

[App page](https://appshunter.io/ios/app/dual-n-back/id6744232772)

This cognitive training game is designed to enhance working memory through a simple yet challenging experience. It offers a clean interface with detailed history tracking and customizable gameplay and aesthetics. All data is stored locally for enhanced privacy.

**Highlights:** Working memory improvement, Detailed game history, Replay previous rounds, Gameplay customization, Aesthetic customization, Local data storage

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

**In-app purchases:** none


### Memoling

[App page](https://appshunter.io/ios/app/memoling/id6747710623)

**Features:** Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly plan promotional | $2.99 | per 7 days |
| Your weekly premium plan | $5.99 | per 7 days |
| Monthly plan promotional | $5.99 | per month |
| monthly subscription | $6.99 | per month |
| Your yearly premium plan | $29.99 | per year |
| premium | $39.99 | per year |
| Monthly plan promotional | $39.99 | per year |


## Frequently asked questions

### Is Dual free?

Dual costs $0.99, with no in-app purchases.

### Is Memoling free?

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

### Do Dual or Memoling have ads?

Memoling shows ads; Dual does not.

### Which is updated more often, Dual or Memoling?

Dual ships an update every 2 days, and Memoling weekly. Most recently, Dual was updated on October 7, 2026 and Memoling on October 2, 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.*