# Gridlock Go vs Reactor Shift

The clearest difference is ratings volume: Gridlock Go at 176 against Reactor Shift's 2. Gridlock Go also leads on iOS requirement (15.0 vs 17.0). Reactor Shift's advantage is rating (5.0 vs 4.8) and review sentiment (100% vs 83%). 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.

Reactor Shift holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Gridlock Go has 176 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 83% of Gridlock Go's written reviews are positive against 100% of Reactor Shift's.

Gridlock Go ships an update every 5 weeks, Reactor Shift fortnightly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Gridlock Go | Reactor Shift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (176 ratings)](https://appshunter.io/ios/app/gridlock-go-merge-and-move/id6756372290/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/reactor-shift/id6785297214/reviews)** |
| Number of ratings | **176** | 2 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 147 MB | 249 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [宇豪 薛](https://appshunter.io/developer/1859846715) | [Ariadna Campos](https://appshunter.io/developer/6775694544) |

## What reviewers say

### Gridlock Go

[App page](https://appshunter.io/ios/app/gridlock-go-merge-and-move/id6756372290)

Guide colorful cars to their matching parking slots by drawing collision-free paths. Beat the ticking timer and refine your strategy across 25 challenging stages. Master smooth parking to win and replay levels for better times.

**Highlights:** Path-drawing gameplay, Collision-free car routing, Timed levels, 25 progressive stages, Replayable levels, Clean UI and tutorial

**Features:** macOS Compatibility

**In-app purchases:** none


### Reactor Shift

[App page](https://appshunter.io/ios/app/reactor-shift/id6785297214)

A neon arcade puzzle game where players aim energy orbs to break targets and reactor cores. Utilize strategic bounces, special power-ups, and unlockable orb types to clear challenging levels. It offers simple controls with deep strategic gameplay.

**Highlights:** Physics-based aiming with bounce path preview, Break targets and reactor cores, Utilize bombs, lasers, and freeze modules, Unlock new orb types and cannon styles, Collect energy cells and timed gifts, Replay levels for strategy improvement

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

**In-app purchases:** none


## Frequently asked questions

### Is Gridlock Go free?

Gridlock Go is free to download, with no in-app purchases.

### Is Reactor Shift free?

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

### Which has better reviews, Gridlock Go or Reactor Shift?

Reactor Shift is rated higher. Gridlock Go averages 4.8 out of 5 from 176 ratings, while Reactor Shift averages 5.0 from 2 ratings.

### Do Gridlock Go or Reactor Shift have ads?

Both Gridlock Go and Reactor Shift show ads.

### Which is updated more often, Gridlock Go or Reactor Shift?

Gridlock Go ships an update every 5 weeks, and Reactor Shift fortnightly. Most recently, Gridlock Go was updated on November 9, 2026 and Reactor Shift on October 31, 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.*