# Mental Exercise vs Nexus Shift

The clearest difference is rating: Nexus Shift at 4.7 against Mental Exercise's 3.9. Nexus Shift also leads on review sentiment (49% vs 11%) and update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Nexus Shift holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: Nexus Shift has 2.7K ratings behind it against 323, so its average is the more settled of the two. Written reviews point the same way: 11% of Mental Exercise's written reviews are positive against 49% of Nexus Shift's.

Mental Exercise ships an update every 2 months, Nexus Shift every 3 weeks. The most recent releases landed on November 5, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Mental Exercise | Nexus Shift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (323 ratings)](https://appshunter.io/ios/app/mental-exercise-solitaire/id6776508801/reviews) | **[4.7 (2.7K ratings)](https://appshunter.io/ios/app/nexus-shift-axis-solver/id6793047906/reviews)** |
| Number of ratings | 323 | **2.7K** |
| Positive reviews | 10.8% of reviews | **48.7% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 191 MB | 111 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [RAHMAN BIN ADEN](https://appshunter.io/developer/1177342882) | [浪 彭](https://appshunter.io/developer/1855779702) |

## What reviewers say

### Mental Exercise

[App page](https://appshunter.io/ios/app/mental-exercise-solitaire/id6776508801)

A classic card game offering endless levels and a zero-pressure experience for brain training and relaxation. Collect puzzle pieces by clearing games to unlock beautiful artwork. Features unlimited hints, undo, and a magic wand booster.

**Highlights:** Endless solitaire levels, Zero-pressure gameplay, Unlimited hints, Easy undo function, Magic Wand booster, Jigsaw puzzle collection, Unlockable artwork

**In-app purchases:** none


### Nexus Shift

[App page](https://appshunter.io/ios/app/nexus-shift-axis-solver/id6793047906)

A minimalist puzzle game focused on spatial logic and directional movement. Players must analyze paths and remove pieces in the correct order, as each move impacts subsequent possibilities. It offers a relaxed, timer-free experience with progressively challenging layouts and clean visuals.

**Highlights:** Spatial logic puzzles, Directional movement analysis, Sequential piece removal, Relaxed, timer-free gameplay, Progressive challenges, Minimalist design

**In-app purchases:** none


## Frequently asked questions

### Is Mental Exercise free?

Mental Exercise is free to download, with no in-app purchases.

### Is Nexus Shift free?

Nexus Shift is free to download, with no in-app purchases.

### Which has better reviews, Mental Exercise or Nexus Shift?

Nexus Shift is rated higher. Mental Exercise averages 3.9 out of 5 from 323 ratings, while Nexus Shift averages 4.7 from 2.7K ratings.

### Do Mental Exercise or Nexus Shift have ads?

Both Mental Exercise and Nexus Shift show ads.

### Which is updated more often, Mental Exercise or Nexus Shift?

Mental Exercise ships an update every 2 months, and Nexus Shift every 3 weeks. Most recently, Mental Exercise was updated on November 5, 2026 and Nexus Shift 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.*