# NBack for iPad Lite vs ASVAB Challenge & Test Prep

The clearest difference is in-app purchases: NBack for iPad Lite at none against ASVAB Challenge & Test Prep's 3. ASVAB Challenge & Test Prep's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ASVAB Challenge & Test Prep sells 3 in-app purchases, starting at $5.99 per 7 days. NBack for iPad Lite asks for nothing beyond the download.

## The numbers

| Metric | NBack for iPad Lite | ASVAB Challenge & Test Prep |
| --- | --- | --- |
| 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** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | — |
| Monetization | Ad-supported | — |
| Size | 7 MB | 15 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Ferdous Mahmud Akash](https://appshunter.io/developer/1872094212) |

## 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


### ASVAB Challenge & Test Prep

[App page](https://appshunter.io/ios/app/asvab-challenge-and-test-prep/id6803779828)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $5.99 | per 7 days |
| Pro Monthly | $14.99 | per month |
| Pro Quarterly | $34.99 | per 3 months |


## Frequently asked questions

### Is NBack for iPad Lite free?

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

### Is ASVAB Challenge & Test Prep free?

ASVAB Challenge & Test Prep is free to download, with in-app purchases available.

### Do NBack for iPad Lite or ASVAB Challenge & Test Prep have ads?

NBack for iPad Lite shows ads; ASVAB Challenge & Test Prep does not.

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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.*