# Challenge Sort vs Nexus Shift

Challenge Sort and Nexus Shift are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Challenge Sort ships an update fortnightly, Nexus Shift every 3 weeks. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Challenge Sort | Nexus Shift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (2K ratings)](https://appshunter.io/ios/app/nexus-shift-axis-solver/id6793047906/reviews)** |
| Number of ratings | — | **2K** |
| Positive reviews | — | 51.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Ad-supported |
| Size | 151 MB | 111 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Lutfi AlBragi](https://appshunter.io/developer/1691520787) | [浪 彭](https://appshunter.io/developer/1855779702) |

## What reviewers say

### Challenge Sort

[App page](https://appshunter.io/ios/app/challenge-sort-mind-relax/id6781243727)

**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 Challenge Sort free?

Challenge Sort is free to download, with no in-app purchases.

### Is Nexus Shift free?

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

### Do Challenge Sort or Nexus Shift have ads?

Both Challenge Sort and Nexus Shift show ads.

### Which is updated more often, Challenge Sort or Nexus Shift?

Challenge Sort ships an update fortnightly, and Nexus Shift every 3 weeks. Most recently, Challenge Sort was updated on October 10, 2026 and Nexus Shift on October 12, 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.*