# DriftWatch vs Savvy Navvy

The clearest difference is update cadence: Savvy Navvy at weekly against DriftWatch's every 12 months. Savvy Navvy also leads on chart position (#62 vs unranked) and iOS requirement (15.0 vs 17.4). DriftWatch's advantage is review sentiment (67% vs 53%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. DriftWatch sells 3 in-app purchases, starting at $3.99 per year and Savvy Navvy sells 6 in-app purchases, starting at $99.00 per year. Whichever you choose, the download price is not the number that matters.

DriftWatch ships an update every 12 months, Savvy Navvy weekly. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | DriftWatch | Savvy Navvy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (8.4K ratings)](https://appshunter.io/ios/app/savvy-navvy-boat-navigation/id1479182650/reviews)** |
| Number of ratings | — | **8.4K** |
| Positive reviews | **66.7% of reviews** | 53.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | — | **#62** |
| Size | 85 MB | 153 MB |
| Requires iOS | 17.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Rene Dacier](https://appshunter.io/developer/1001235750) | [savvy navvy](https://appshunter.io/developer/1305055457) |

## What reviewers say

### DriftWatch

[App page](https://appshunter.io/ios/app/driftwatch/id1001235751)

This navigation app helps boat captains sleep soundly by monitoring anchor drift. It uses your device's GPS to alert you if your vessel moves outside a set boundary, providing peace of mind while at anchor.

**Highlights:** Anchor drift monitoring, GPS boundary alerts, Audible alarms, Battery level monitoring, Simple and easy to use

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Time Limit | $3.99 | per year |
| 24H Wind Forecast | $9.99 | per year |
| 24H Wind Forecast. | $9.99 | per year |


### Savvy Navvy

[App page](https://appshunter.io/ios/app/savvy-navvy-boat-navigation/id1479182650)

**Currently charting:** #62 Top Grossing · Navigation, #122 Top Free · Navigation (US App Store)

This marine navigation app simplifies charts, weather forecasts, tides, GPS tracking, and route planning for boaters. It offers smart routing, real-time GPS, and AIS data to help users make safer, smarter decisions on the water.

**Highlights:** Clutter-free marine charts, Smart route planning with ETAs, Real-time GPS tracking, Departure scheduler, AIS data for collision avoidance, Marine weather forecasts, Tide and current data, Marina and anchorage information

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (US-only charts) | $99.00 | per year |
| Premium | $99.00 | per year |
| Premium (US-only charts) | $129.00 | per year |
| Premium (US-only charts) | $129.00 | per year |
| Premium Plus (global charts) | $169.00 | per year |
| Premium Plus (global charts) | $169.00 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for navigation
- 🌊 Accurate charts and data
- 💡 Useful features like weather and tide info
- 👍 Great for planning routes

**What reviewers complain about**

- 🐛 Buggy and crashes
- 💰 Expensive subscription
- 🗺️ Missing chart data for some areas
- 🤔 Confusing to set up
- 🔋 Drains battery quickly

**Reported bugs**

- App freezes or becomes unresponsive
- Inaccurate weather and tide information
- Issues with syncing data across devices
- Problems with downloading charts and maps

**Requested features**

- Add more chart coverage for different regions
- Improve route planning and navigation features
- Allow offline use without internet connection
- Integrate with other boating apps and devices
- Provide more customization options


## Frequently asked questions

### Is DriftWatch free?

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

### Is Savvy Navvy free?

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

### Do DriftWatch or Savvy Navvy have ads?

Neither DriftWatch nor Savvy Navvy shows ads.

### Which is updated more often, DriftWatch or Savvy Navvy?

DriftWatch ships an update every 12 months, and Savvy Navvy weekly. Most recently, DriftWatch was updated on November 1, 2026 and Savvy Navvy on November 8, 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.*