# Gravi Trace vs Outloop

The clearest difference is in-app purchases: Gravi Trace at none against Outloop's 3. Gravi Trace also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Outloop sells 3 one-off in-app purchases. Gravi Trace asks for nothing beyond the download.

## The numbers

| Metric | Gravi Trace | Outloop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | — |
| Size | 64 MB | 39 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hilalnur Colak](https://appshunter.io/developer/1872482496) | [Bhupatbhai Virani](https://appshunter.io/developer/1790905401) |

## What reviewers say

### Gravi Trace

[App page](https://appshunter.io/ios/app/gravi-trace/id6772239714)

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

**In-app purchases:** none


### Outloop

[App page](https://appshunter.io/ios/app/outloop-arrow-escape-puzzle/id6816888910)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Hints | $1.99 | one-time |
| 30 Hints | $4.99 | one-time |
| Remove Ads | $7.99 | one-time |


## Frequently asked questions

### Is Gravi Trace free?

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

### Is Outloop free?

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

### Do Gravi Trace or Outloop have ads?

Both Gravi Trace and Outloop show ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*