# Race Trajectory vs Gully

The clearest difference is in-app purchases: Gully at none against Race Trajectory's 1. Gully also leads on ads (none vs shown) and update cadence (daily vs monthly). On price there is nothing between them.

Both are free to download. Race Trajectory sells 1 in-app purchase, starting at $1.99 per month. Gully asks for nothing beyond the download.

Race Trajectory ships an update monthly, Gully daily. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Race Trajectory | Gully |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Daily** |
| Size | 20 MB | 11 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Matsuoka](https://appshunter.io/developer/1697141668) | [11382276 Canada Inc.](https://appshunter.io/developer/6806074169) |

## What reviewers say

### Race Trajectory

[App page](https://appshunter.io/ios/app/race-trajectory/id6747305681)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $1.99 | per month |


### Gully

[App page](https://appshunter.io/ios/app/gully/id6806074167)

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

**In-app purchases:** none


## Frequently asked questions

### Is Race Trajectory free?

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

### Is Gully free?

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

### Do Race Trajectory or Gully have ads?

Race Trajectory shows ads; Gully does not.

### Which is updated more often, Race Trajectory or Gully?

Race Trajectory ships an update monthly, and Gully daily. Most recently, Race Trajectory was updated on October 21, 2026 and Gully on October 9, 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.*