# NBack for iPad Lite vs calculets PRO

The clearest difference is price: NBack for iPad Lite at Free against calculets PRO's $0.99. NBack for iPad Lite also leads on review sentiment (33% vs 0%) and ratings volume (3 vs 1). calculets PRO's advantage is rating (5.0 vs 4.3) and ads (none vs shown). On in-app purchases there is nothing between them.

NBack for iPad Lite is free to download; calculets PRO costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

calculets PRO holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews complicate that: 33% of NBack for iPad Lite's written reviews are positive against 0% of calculets PRO's, so the app with the better star average is not the one people write more warmly about.

NBack for iPad Lite ships an update every 12 months, calculets PRO every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NBack for iPad Lite | calculets PRO |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/nback-for-ipad-lite/id506570446/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calculets-pro-math-game/id1439946398/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 4 months** |
| Monetization | **Ad-supported** | Paid |
| Size | 7 MB | 10 MB |
| Requires iOS | 18.2 | **12.2** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Jaime C. Carriedo](https://appshunter.io/developer/785723408) |

## 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


### calculets PRO

[App page](https://appshunter.io/ios/app/calculets-pro-math-game/id1439946398)

A straightforward math game designed to help users practice basic arithmetic operations like addition, subtraction, multiplication, and division. Players combine numbers to reach a target number, offering a fun way to improve foundational math skills.

**Highlights:** Practice addition, subtraction, multiplication, division, Combine numbers to reach a target, Undo operations feature, Multiple difficulty levels, Ad-free experience

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

**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 calculets PRO free?

calculets PRO costs $0.99, with no in-app purchases.

### Which has better reviews, NBack for iPad Lite or calculets PRO?

calculets PRO is rated higher. NBack for iPad Lite averages 4.3 out of 5 from 3 ratings, while calculets PRO averages 5.0 from 1 ratings.

### Do NBack for iPad Lite or calculets PRO have ads?

NBack for iPad Lite shows ads; calculets PRO does not.

### Which is updated more often, NBack for iPad Lite or calculets PRO?

NBack for iPad Lite ships an update every 12 months, and calculets PRO every 4 months. Most recently, NBack for iPad Lite was updated on October 23, 2026 and calculets PRO on October 24, 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.*