# NBack for iPad Lite vs AR learn (EdUHK)

The clearest difference is ads: AR learn (EdUHK) at none against NBack for iPad Lite's shown. AR learn (EdUHK) also leads on update cadence (fortnightly vs every 12 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NBack for iPad Lite ships an update every 12 months, AR learn (EdUHK) fortnightly. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | NBack for iPad Lite | AR learn (EdUHK) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/nback-for-ipad-lite/id506570446/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 61 MB |
| Requires iOS | 18.2 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [The Education University of Hong Kong](https://appshunter.io/developer/1130838504) |

## What reviewers say

### NBack for iPad Lite

[App page](https://appshunter.io/ios/app/nback-for-ipad-lite/id506570446)

This application helps improve mental acuity by training working memory through a sequence-matching game. Users are presented with stimuli and must recall the item from a specified number of steps prior in the sequence. It offers a simplified version of a more comprehensive training tool.

**Highlights:** Working memory training, Sequence matching game, Adjustable difficulty (1-2 back), Improves mental ability, Lite version of full app

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

**In-app purchases:** none


### AR learn (EdUHK)

[App page](https://appshunter.io/ios/app/ar-learn-eduhk/id1617557110)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NBack for iPad Lite free?

NBack for iPad Lite is free to download, with no in-app purchases.

### Is AR learn (EdUHK) free?

AR learn (EdUHK) is free to download, with no in-app purchases.

### Do NBack for iPad Lite or AR learn (EdUHK) have ads?

NBack for iPad Lite shows ads; AR learn (EdUHK) does not.

### Which is updated more often, NBack for iPad Lite or AR learn (EdUHK)?

NBack for iPad Lite ships an update every 12 months, and AR learn (EdUHK) fortnightly. Most recently, NBack for iPad Lite was updated on October 23, 2026 and AR learn (EdUHK) on October 27, 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.*