# KnowWake vs TandemGPS

The clearest difference is rating: TandemGPS at 5.0 against KnowWake's 4.1. KnowWake's advantage is ratings volume (250 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

TandemGPS holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: KnowWake has 250 ratings behind it against 1, so its average is the more settled of the two.

KnowWake ships an update every 11 days, TandemGPS every 2 weeks. The most recent releases landed on September 24, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | KnowWake | TandemGPS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (250 ratings)](https://appshunter.io/ios/app/knowwake/id688017646/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tandemgps/id6451143132/reviews)** |
| Number of ratings | **250** | 1 |
| Positive reviews | 55.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 123 MB | 53 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Application Generation, Inc](https://appshunter.io/developer/571709068) | [Tandem Enterprises, LLC](https://appshunter.io/developer/1696942615) |

## What reviewers say

### KnowWake

[App page](https://appshunter.io/ios/app/knowwake/id688017646)

This marine navigation platform offers detailed waterway information for numerous global locations. Discover waterfront destinations, access real-time community reports on hazards and marine life, and utilize advanced navigation features for a safer and more informed boating experience.

**Highlights:** Waterfront destinations, Real-time waterway reports, Wake zone indicators, Marine weather forecasts, Anchor alarm, Location sharing, Offline mode

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🗺️ Comprehensive wake zone and speed restriction information
- 👍 User-friendly and intuitive interface
- 🆓 Free app with valuable features
- 📍 Accurate location data for marinas, restaurants, and fuel docks
- 🚤 Essential tool for boaters and water sports enthusiasts

**What reviewers complain about**

- 🐛 Frequent crashes and freezing issues
- ⏱️ App becomes unstable after 30 seconds of use
- 🔌 Constant stability problems across multiple iOS versions
- ❌ Routing functionality frequently fails
- 🗺️ Limited coverage for certain regions (Great Lakes, some Florida lakes)

**Reported bugs**

- App crashes immediately upon opening
- App freezes after 30 seconds of use
- Login/registration fails or times out indefinitely
- Routing returns error messages and crashes
- Tapping on location icons does nothing or crashes app

**Requested features**

- Improved stability and crash prevention
- Course-up/heading-up map orientation option
- Depth layer integration for navigation safety
- NOAA raster charts availability
- Better routing algorithm with estimated time and distance


### TandemGPS

[App page](https://appshunter.io/ios/app/tandemgps/id6451143132)

This navigation app offers a unique, non-intrusive way to display speed data using light signals. It allows for customizable ride experiences, group sharing of routes, and detailed ride management, prioritizing driver safety and reduced screen interaction.

**Highlights:** GPS-based speedometer, Light-Spectrum Signaling (LSS), Customizable ride environment, Group ride sharing, Ride management and saving, Biker-influenced navigation, Dash-less speed data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KnowWake free?

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

### Is TandemGPS free?

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

### Which has better reviews, KnowWake or TandemGPS?

TandemGPS is rated higher. KnowWake averages 4.1 out of 5 from 250 ratings, while TandemGPS averages 5.0 from 1 ratings.

### Do KnowWake or TandemGPS have ads?

Neither KnowWake nor TandemGPS shows ads.

### Which is updated more often, KnowWake or TandemGPS?

KnowWake ships an update every 11 days, and TandemGPS every 2 weeks. Most recently, KnowWake was updated on September 24, 2026 and TandemGPS on June 1, 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.*