# NBack Buddy vs Singular

The clearest difference is price: Singular at Free against NBack Buddy's $1.99. NBack Buddy's advantage is rating (5.0 vs 1.0) and in-app purchases (none vs 3). On ratings volume and device support there is nothing between them.

Singular is free to download; NBack Buddy costs $1.99 up front. Singular sells 3 in-app purchases, starting at $4.99 per 7 days. NBack Buddy asks for nothing beyond the download.

NBack Buddy holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | NBack Buddy | Singular |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nback-buddy/id6755494958/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/singular-circuit-simulator/id6760304619/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 35 MB | 18 MB |
| Requires iOS | **14.1** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Byrt](https://appshunter.io/developer/1084236360) | [Ali Mert TUFEKCI](https://appshunter.io/developer/1483311309) |

## What reviewers say

### NBack Buddy

[App page](https://appshunter.io/ios/app/nback-buddy/id6755494958)

This app offers scientifically validated training for working memory using the N-Back task. It features multiple stimulus types, adjustable difficulty, and detailed performance tracking in a distraction-free interface.

**Highlights:** N-Back working memory training, Multiple stimulus modalities, Adjustable difficulty levels (1-9 back), Distraction-free interface, Performance tracking and statistics, Data export for research

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

**In-app purchases:** none


### Singular

[App page](https://appshunter.io/ios/app/singular-circuit-simulator/id6760304619)

Design, simulate, and analyze analog and logic circuits on your mobile device. Features a powerful engine, a wide range of components, and an intuitive editor. Ideal for students, makers, and professionals.

**Highlights:** Analog & logic circuit simulation, Drag-and-drop circuit editor, Real-time transient, DC, and AC analysis, 40+ electronic components, Real-time oscilloscope, Offline functionality, Export and import circuits

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Weekly Plan | $9.99 | per month |
| Yearly Plan | $29.99 | per year |


## Frequently asked questions

### Is NBack Buddy free?

NBack Buddy costs $1.99, with no in-app purchases.

### Is Singular free?

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

### Which has better reviews, NBack Buddy or Singular?

NBack Buddy is rated higher. NBack Buddy averages 5.0 out of 5 from 2 ratings, while Singular averages 1.0 from 1 ratings.

### Do NBack Buddy or Singular have ads?

Singular shows ads; NBack Buddy 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.*