# TrailMath vs Compound 360

The clearest difference is update cadence: TrailMath at every 2 days against Compound 360's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TrailMath sells 2 in-app purchases, starting at $10.00 per month and Compound 360 sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

TrailMath ships an update every 2 days, Compound 360 every 3 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TrailMath | Compound 360 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 37 MB | 61 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [EXPRESS DESIGN SRL](https://appshunter.io/developer/1859406433) | [Yishak Negatu](https://appshunter.io/developer/1662763933) |

## What reviewers say

### TrailMath

[App page](https://appshunter.io/ios/app/trailmath-ultra-race-plans/id6760554783)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrailMath Premium Monthly | $10.00 | per month |
| TrailMath Premium Annual | $89.00 | per year |


### Compound 360

[App page](https://appshunter.io/ios/app/compound-360/id6786211981)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamond | $3.99 | per month |


## Frequently asked questions

### Is TrailMath free?

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

### Is Compound 360 free?

Compound 360 is free to download, with in-app purchases available.

### Do TrailMath or Compound 360 have ads?

Neither TrailMath nor Compound 360 shows ads.

### Which is updated more often, TrailMath or Compound 360?

TrailMath ships an update every 2 days, and Compound 360 every 3 weeks. Most recently, TrailMath was updated on October 28, 2026 and Compound 360 on October 24, 2026.

---

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