# Reactor Shift vs GridZap

The clearest difference is iOS requirement: GridZap at 15.0 against Reactor Shift's 17.0. On price, update cadence, ads and in-app purchases 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 ships an update fortnightly, GridZap every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Reactor Shift | GridZap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/reactor-shift/id6785297214/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 249 MB | 70 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ariadna Campos](https://appshunter.io/developer/6775694544) | [POSITIVE VIBRATION, SOCIEDAD LIMITADA.](https://appshunter.io/developer/6787287671) |

## What reviewers say

### 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


### GridZap

[App page](https://appshunter.io/ios/app/gridzap/id6787287669)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reactor Shift free?

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

### Is GridZap free?

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

### Do Reactor Shift or GridZap have ads?

Both Reactor Shift and GridZap show ads.

### Which is updated more often, Reactor Shift or GridZap?

Reactor Shift ships an update fortnightly, and GridZap every 2 weeks. Most recently, Reactor Shift was updated on October 31, 2026 and GridZap 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.*