# Race Trajectory vs BuildUP

The clearest difference is in-app purchases: BuildUP at none against Race Trajectory's 1. BuildUP also leads on ads (none vs shown) and update cadence (every 5 days 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. BuildUP asks for nothing beyond the download.

Race Trajectory ships an update monthly, BuildUP every 5 days. The most recent releases landed on October 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Race Trajectory | BuildUP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 5 days** |
| Size | 20 MB | 24 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Matsuoka](https://appshunter.io/developer/1697141668) | [SHUNYA KAMATA](https://appshunter.io/developer/6795182873) |

## 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 |


### BuildUP

[App page](https://appshunter.io/ios/app/buildup/id6795182871)

**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 BuildUP free?

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

### Do Race Trajectory or BuildUP have ads?

Race Trajectory shows ads; BuildUP does not.

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

Race Trajectory ships an update monthly, and BuildUP every 5 days. Most recently, Race Trajectory was updated on October 21, 2026 and BuildUP on September 25, 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.*