# Mental Chronometry vs Solitaire Collection

The clearest difference is update cadence: Solitaire Collection at every 6 months against Mental Chronometry's every 42 months. Solitaire Collection also leads on chart position (#195 vs unranked) and iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Mental Chronometry costs $0.99 and Solitaire Collection $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mental Chronometry ships an update every 42 months, Solitaire Collection every 6 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Mental Chronometry | Solitaire Collection |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | — | **[4.7 (31 ratings)](https://appshunter.io/ios/app/solitaire-collection-4-in-1/id6474651588/reviews)** |
| Number of ratings | — | **31** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 6 months** |
| Monetization | — | Paid |
| Best chart rank | — | **#195** |
| Size | 201 MB | 80 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Cohen](https://appshunter.io/developer/908777603) | [Diem Le](https://appshunter.io/developer/1544402650) |

## What reviewers say

### Mental Chronometry

[App page](https://appshunter.io/ios/app/mental-chronometry/id1574095844)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solitaire Collection

[App page](https://appshunter.io/ios/app/solitaire-collection-4-in-1/id6474651588)

**Currently charting:** #195 Top Paid · Board (US App Store)

Enjoy four classic card sorting games on your Apple Watch, iPhone, or iPad. This collection includes Klondike, FreeCell, Spider, and Tri Peaks for endless entertainment.

**Highlights:** Klondike Solitaire, FreeCell Solitaire, Spider Solitaire, Tri Peaks Solitaire, Play on Apple Watch, iPhone, iPad

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mental Chronometry free?

Mental Chronometry costs $0.99, with no in-app purchases.

### Is Solitaire Collection free?

Solitaire Collection costs $0.99, with no in-app purchases.

### Do Mental Chronometry or Solitaire Collection have ads?

Neither Mental Chronometry nor Solitaire Collection shows ads.

### Which is updated more often, Mental Chronometry or Solitaire Collection?

Mental Chronometry ships an update every 42 months, and Solitaire Collection every 6 months. Most recently, Mental Chronometry was updated on October 25, 2026 and Solitaire Collection 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.*