# Flags for Sailing vs Trace Zone

The clearest difference is price: Trace Zone at Free against Flags for Sailing's $0.99. Trace Zone also leads on update cadence (every 2 weeks vs every 38 months) and device support (4 vs 2). Flags for Sailing's advantage is in-app purchases (none vs 2) and ads (none vs shown).

Trace Zone is free to download; Flags for Sailing costs $0.99 up front. Trace Zone sells 2 in-app purchases, starting at $4.99 per month. Flags for Sailing asks for nothing beyond the download.

Flags for Sailing ships an update every 38 months, Trace Zone every 2 weeks. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Flags for Sailing | Trace Zone |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 2 weeks** |
| Size | 55 MB | 121 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Zebra Crossing](https://appshunter.io/developer/604686327) | [OCEAN LABS LIMITED](https://appshunter.io/developer/1536082400) |

## What reviewers say

### Flags for Sailing

[App page](https://appshunter.io/ios/app/flags-for-sailing/id1510672496)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Flags for Sailing free?

Flags for Sailing costs $0.99, with no in-app purchases.

### Is Trace Zone free?

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

### Do Flags for Sailing or Trace Zone have ads?

Trace Zone shows ads; Flags for Sailing does not.

### Which is updated more often, Flags for Sailing or Trace Zone?

Flags for Sailing ships an update every 38 months, and Trace Zone every 2 weeks. Most recently, Flags for Sailing was updated on October 1, 2026 and Trace Zone on October 7, 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.*