# Race Trajectory vs RikuNote

The clearest difference is in-app purchases: RikuNote at none against Race Trajectory's 3. RikuNote also leads on ads (none vs shown) and update cadence (daily vs every 3 weeks). Race Trajectory's advantage is iOS requirement (17.0 vs 26.5). On price and device support there is nothing between them.

Both are free to download. Race Trajectory sells 3 in-app purchases, starting at $0.99 per month. RikuNote asks for nothing beyond the download.

Race Trajectory ships an update every 3 weeks, RikuNote daily. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Race Trajectory | RikuNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 21 MB | 25 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Matsuoka](https://appshunter.io/developer/1697141668) | [Hidekazu Masuda](https://appshunter.io/developer/6789433394) |

## What reviewers say

### Race Trajectory

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

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $0.99 | per month |
| Premium (Lifetime) | $2.99 | one-time |
| Premium (Lifetime) | $3.99 | one-time |


### RikuNote

[App page](https://appshunter.io/ios/app/rikunote/id6789433392)

**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 RikuNote free?

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

### Do Race Trajectory or RikuNote have ads?

Race Trajectory shows ads; RikuNote does not.

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

Race Trajectory ships an update every 3 weeks, and RikuNote daily. Most recently, Race Trajectory was updated on November 5, 2026 and RikuNote on October 28, 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.*