# iNavX vs Progressive Sign&Glide

The clearest difference is rating: iNavX at 4.8 against Progressive Sign&Glide's 2.3. iNavX also leads on review sentiment (44% vs 18%) and ratings volume (22K vs 15). Progressive Sign&Glide's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, update cadence, monetization model and device support there is nothing between them.

Both are free to download. iNavX sells 10 in-app purchases, starting at $9.99 per month. Progressive Sign&Glide asks for nothing beyond the download.

iNavX holds the better App Store score, 4.8 against 2.3. That said, the two scores are not equally well evidenced: iNavX has 22K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 44% of iNavX's written reviews are positive against 18% of Progressive Sign&Glide's.

iNavX ships an update every 5 weeks, Progressive Sign&Glide every 6 weeks. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | iNavX | Progressive Sign&Glide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (22K ratings)](https://appshunter.io/ios/app/inavx-marine-navigation/id286616280/reviews)** | [2.3 (15 ratings)](https://appshunter.io/ios/app/progressive-sign-and-glide/id1196614726/reviews) |
| Number of ratings | **22K** | 15 |
| Positive reviews | **43.8% of reviews** | 18.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | **#113** | — |
| Size | 298 MB | 30 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NavX Studios LLC](https://appshunter.io/developer/286616283) | [Compass Marine Services Inc](https://appshunter.io/developer/1196614725) |

## What reviewers say

### iNavX

[App page](https://appshunter.io/ios/app/inavx-marine-navigation/id286616280)

**Currently charting:** #113 Top Grossing · Navigation (US App Store)

This app provides comprehensive marine navigation tools, including worldwide chart coverage, weather forecasts, and AIS integration. It allows users to plan routes, track their position, and connect with onboard instruments for a complete boating experience.

**Highlights:** Worldwide marine chart access, Real-time GPS plotting, Waypoint and route management, GRIB weather forecasts, AIS integration, Nautical instrument connectivity

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theyr Premium - Mobile (Monthly) for iOS | $9.99 | per month |
| iNavX Professional+ USA | $29.99 | per year |
| Navionics+ USA/Canada (iPhone) | $29.99 | per year |
| Navionics+ Caribbean (iPhone) | $44.99 | per year |
| Theyr Premium Weather | $49.99 | per year |
| iNavX Professional+ USA Canada | $59.99 | per year |
| C-MAP World Chart | $59.99 | per year |
| Navionics+ USA/Canada (iPad) | $79.99 | per year |
| Navionics+ Caribbean (iPad) | $79.99 | per year |
| AIS Live | $99.99 | per year |

**What reviewers like**

- 🚀 Accurate and precise navigation
- 📊 Comprehensive charting and navigation features
- 🛠️ Customizable instrument settings
- 🔄 Redundancy across devices
- 💨 Reliable performance over many years

**What reviewers complain about**

- 🤔 Clunky and unintuitive user interface
- 🗺️ Cumbersome chart management and downloading
- 🔋 Battery drain issues
- 💰 Expensive subscription model for charts
- 🐛 Stability issues and crashes

**Reported bugs**

- Inability to remove waypoints
- Inconsistent behavior when transitioning International Date Line
- Disappearing or missing chart data

**Requested features**

- Seamless chart switching and panning
- Integrated tidal and current data
- Support for more chart types and providers
- Improved route planning and editing tools
- Automatic chart updates and management


### Progressive Sign&Glide

[App page](https://appshunter.io/ios/app/progressive-sign-and-glide/id1196614726)

This app provides affordable, 24/7 on-water towing and assistance for registered vessels. For a single flat annual fee, users receive unlimited towing coverage and emergency dispatch services without additional membership fees or hidden costs.

**Highlights:** 24/7 emergency dispatch, Unlimited on-water towing, Flat annual fee, No membership fees, Affordable towing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iNavX free?

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

### Is Progressive Sign&Glide free?

Progressive Sign&Glide is free to download, with no in-app purchases.

### Which has better reviews, iNavX or Progressive Sign&Glide?

iNavX is rated higher. iNavX averages 4.8 out of 5 from 22K ratings, while Progressive Sign&Glide averages 2.3 from 15 ratings.

### Do iNavX or Progressive Sign&Glide have ads?

iNavX shows ads; Progressive Sign&Glide does not.

### Which is updated more often, iNavX or Progressive Sign&Glide?

iNavX ships an update every 5 weeks, and Progressive Sign&Glide every 6 weeks. Most recently, iNavX was updated on November 11, 2026 and Progressive Sign&Glide on November 2, 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.*