# iStreams Solent vs NavDash

The clearest difference is in-app purchases: NavDash at none against iStreams Solent's 9. NavDash also leads on iOS requirement (13.0 vs 18.2). iStreams Solent's advantage is update cadence (every 3 months vs every 15 months) and review sentiment (33% vs 25%). On price, ads and device support there is nothing between them.

Both are free to download. iStreams Solent sells 6 one-off in-app purchases. NavDash asks for nothing beyond the download.

iStreams Solent ships an update every 3 months, NavDash every 15 months. The most recent releases landed on September 20, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | iStreams Solent | NavDash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (3 ratings)](https://appshunter.io/ios/app/navdash/id1555550947/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **33.3% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 15 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 38 MB | 14 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Navtech Software](https://appshunter.io/developer/355517263) | [Veratron AG](https://appshunter.io/developer/1765346453) |

## What reviewers say

### iStreams Solent

[App page](https://appshunter.io/ios/app/istreams-solent/id1454510704)

This app provides real-time Solent tidal stream data, displaying hourly charts and tools to measure tide set and interpolated rates. It functions offline and allows for future planning by selecting different dates.

**Highlights:** Real-time Solent tidal stream charts, Offline functionality, Tide set and rate measurement tools, Automatic Portsmouth HW time selection, Date selection for future planning, Zoomable charts, Boat position display on chart

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock 'Set' tool | $1.99 | one-time |
| Portsmouth Tides 2019 | $2.99 | one-time |
| 6 Month Subscription | $2.99 | one-time |
| 1 Month Subscription | $2.99 | one-time |
| Unlock CTS tool | $3.99 | one-time |
| 1 Year Subscription | $5.99 | one-time |


### NavDash

[App page](https://appshunter.io/ios/app/navdash/id1555550947)

Access all your vessel data on your mobile device with this app. It displays engine status, sailing performance, battery levels, and alarm notifications. The companion hardware provides GPS and NMEA 2000 data via Bluetooth.

**Highlights:** Vessel data display, Engine monitoring, Sailing performance tracking, Battery status monitoring, Alarm notifications, GPS and NMEA 2000 integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iStreams Solent free?

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

### Is NavDash free?

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

### Do iStreams Solent or NavDash have ads?

Neither iStreams Solent nor NavDash shows ads.

### Which is updated more often, iStreams Solent or NavDash?

iStreams Solent ships an update every 3 months, and NavDash every 15 months. Most recently, iStreams Solent was updated on September 20, 2026 and NavDash on June 10, 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.*