# Gravity Spikes vs Sci

The clearest difference is in-app purchases: Sci at none against Gravity Spikes's 1. Gravity Spikes's advantage is iOS requirement (8.0 vs 11.0). On price, ads and device support there is nothing between them.

Both are free to download. Gravity Spikes sells 1 one-off in-app purchase. Sci asks for nothing beyond the download.

## The numbers

| Metric | Gravity Spikes | Sci |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/gravity-spikes/id1046884093/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 58 months |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 41 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod, Apple TV | iPhone, iPad, iPod, Apple TV |
| Age rating | 4+ | 12+ |
| Developer | [Ludvig Eriksson](https://appshunter.io/developer/812233900) | [Marek Skreko](https://appshunter.io/developer/1558127762) |

## What reviewers say

### Gravity Spikes

[App page](https://appshunter.io/ios/app/gravity-spikes/id1046884093)

Flip gravity to guide a falling ball, avoiding colored spikes and utilizing black platforms. Survive as long as possible by timing your flips precisely through challenging obstacles.

**Highlights:** Gravity flipping mechanic, Obstacle avoidance, Timed flips, Platform navigation, Endless survival gameplay

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Sci

[App page](https://appshunter.io/ios/app/sci-fi-platformer/id1558127760)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Spikes free?

Gravity Spikes is free to download, with in-app purchases available.

### Is Sci free?

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

### Do Gravity Spikes or Sci have ads?

Neither Gravity Spikes nor Sci shows ads.

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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.*