# Nautics vs GravitX

The clearest difference is rating: GravitX at 5.0 against Nautics's 3.0. GravitX also leads on ratings volume (4 vs 1). Nautics's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. GravitX sells 1 one-off in-app purchase. Nautics asks for nothing beyond the download.

GravitX holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Nautics ships an update monthly, GravitX every 3 weeks. The most recent releases landed on October 29, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Nautics | GravitX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/nautics/id1244075942/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/gravitx/id1466792940/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 337 MB | 594 MB |
| Requires iOS | **11.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stairwell Ventures Private Limited](https://appshunter.io/developer/1244075941) | [Improvis LLC](https://appshunter.io/developer/1466792939) |

## What reviewers say

### Nautics

[App page](https://appshunter.io/ios/app/nautics/id1244075942)

This game serves as a psychometric assessment tool for evaluating personality traits. It's designed for recruitment and learning & development, requiring internet access for data download and result submission.

**Highlights:** Psychometric assessment, Personality evaluation, Recruitment tool, L&D purposes, Scientific development, Reliability and validity standards

**Features:** Vision Pro support

**In-app purchases:** none


### GravitX

[App page](https://appshunter.io/ios/app/gravitx/id1466792940)

Experience a unique mobile game controlled entirely by your head movements. Navigate a ball through challenging levels, avoiding obstacles and collecting checkpoints. This innovative title offers a fun workout for your eyes and neck, and is accessible for players with mobility impairments.

**Highlights:** Head-tracking controls, Unique gameplay concept, Obstacle avoidance challenges, Checkpoint progression, Eye and neck workout, Accessible for mobility impairments

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| "Metal" world | $0.99 | one-time |


## Frequently asked questions

### Is Nautics free?

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

### Is GravitX free?

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

### Which has better reviews, Nautics or GravitX?

GravitX is rated higher. Nautics averages 3.0 out of 5 from 1 ratings, while GravitX averages 5.0 from 4 ratings.

### Do Nautics or GravitX have ads?

Neither Nautics nor GravitX shows ads.

### Which is updated more often, Nautics or GravitX?

Nautics ships an update monthly, and GravitX every 3 weeks. Most recently, Nautics was updated on October 29, 2026 and GravitX on October 18, 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.*