# N'Back Butterfly vs Classic Solitaire TriPeaks Plus

The clearest difference is review sentiment: N'Back Butterfly at 100% against Classic Solitaire TriPeaks Plus's 0%. Classic Solitaire TriPeaks Plus's advantage is ads (none vs shown) and update cadence (every 4 months vs every 10 months). On price, in-app purchases and device support there is nothing between them.

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

N'Back Butterfly ships an update every 10 months, Classic Solitaire TriPeaks Plus every 4 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | N'Back Butterfly | Classic Solitaire TriPeaks Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/classic-solitaire-tripeaks-plus/id868763420/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | Ad-supported | **Free** |
| Size | 9 MB | 6 MB |
| Requires iOS | 15.6 | **6.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Kevin White](https://appshunter.io/developer/317741855) |

## What reviewers say

### N'Back Butterfly

[App page](https://appshunter.io/ios/app/nback-butterfly/id853507894)

Enhance your cognitive abilities and combat forgetfulness with this application designed to improve working memory. It utilizes the scientifically recognized n-back task to train your brain's capacity for information recall and manipulation.

**Highlights:** Working memory improvement, N-back task training, Cognitive neuroscience assessment, Continuous performance task

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

**In-app purchases:** none


### Classic Solitaire TriPeaks Plus

[App page](https://appshunter.io/ios/app/classic-solitaire-tripeaks-plus/id868763420)

A classic card game where players aim to clear the tableau by matching cards of higher or lower rank. Offers 20 different layouts for varied challenges. Enjoy this familiar solitaire experience.

**Highlights:** Remove all cards from tableau, Match cards of higher or lower rank, 20 different layouts, Challenge yourself, Familiar solitaire gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is N'Back Butterfly free?

N'Back Butterfly is free to download, with no in-app purchases.

### Is Classic Solitaire TriPeaks Plus free?

Classic Solitaire TriPeaks Plus is free to download, with no in-app purchases.

### Do N'Back Butterfly or Classic Solitaire TriPeaks Plus have ads?

N'Back Butterfly shows ads; Classic Solitaire TriPeaks Plus does not.

### Which is updated more often, N'Back Butterfly or Classic Solitaire TriPeaks Plus?

N'Back Butterfly ships an update every 10 months, and Classic Solitaire TriPeaks Plus every 4 months. Most recently, N'Back Butterfly was updated on November 1, 2026 and Classic Solitaire TriPeaks Plus on November 1, 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.*