# Headwater Navigation vs Sunvil

The clearest difference is ads: Headwater Navigation at none against Sunvil's shown. Sunvil's advantage is update cadence (fortnightly vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Headwater Navigation ships an update every 8 months, Sunvil fortnightly. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Headwater Navigation | Sunvil |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 182 MB | 81 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Exodus Travels LTD](https://appshunter.io/developer/1501775095) | [SUNVIL INTERNATIONAL SALES LIMITED](https://appshunter.io/developer/535499823) |

## What reviewers say

### Headwater Navigation

[App page](https://appshunter.io/ios/app/headwater-navigation/id1501775096)

Navigate your walking or cycling routes with ease. Download your trip's maps and guides in advance for offline use. The app uses GPS to track your position and guide you, ensuring you never get lost.

**Highlights:** Route directions, Mapping, Day-by-day guides, Offline access, GPS tracking, Wrong turn alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### Sunvil

[App page](https://appshunter.io/ios/app/sunvil/id6480132313)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Headwater Navigation free?

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

### Is Sunvil free?

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

### Do Headwater Navigation or Sunvil have ads?

Sunvil shows ads; Headwater Navigation does not.

### Which is updated more often, Headwater Navigation or Sunvil?

Headwater Navigation ships an update every 8 months, and Sunvil fortnightly. Most recently, Headwater Navigation was updated on September 23, 2026 and Sunvil 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.*