# Trace Zone vs SailingMetrics

The clearest difference is in-app purchases: SailingMetrics at none against Trace Zone's 2. SailingMetrics also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 weeks). Trace Zone's advantage is device support (4 vs 2). On price and iOS requirement there is nothing between them.

Both are free to download. Trace Zone sells 2 in-app purchases, starting at $4.99 per month. SailingMetrics asks for nothing beyond the download.

Trace Zone ships an update every 2 weeks, SailingMetrics every 4 days. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Trace Zone | SailingMetrics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 121 MB | 40 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [OCEAN LABS LIMITED](https://appshunter.io/developer/1536082400) | [adagger GmbH](https://appshunter.io/developer/1891358573) |

## What reviewers say

### Trace Zone

[App page](https://appshunter.io/ios/app/trace-zone/id6745051522)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trace Premium Monthly | $4.99 | per month |
| Trace Premium Annual | $34.99 | per year |


### SailingMetrics

[App page](https://appshunter.io/ios/app/sailingmetrics/id6761767585)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trace Zone free?

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

### Is SailingMetrics free?

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

### Do Trace Zone or SailingMetrics have ads?

Trace Zone shows ads; SailingMetrics does not.

### Which is updated more often, Trace Zone or SailingMetrics?

Trace Zone ships an update every 2 weeks, and SailingMetrics every 4 days. Most recently, Trace Zone was updated on October 7, 2026 and SailingMetrics on October 5, 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.*