# AutoGPS vs iStreams Solent

The clearest difference is in-app purchases: AutoGPS at none against iStreams Solent's 9. AutoGPS also leads on iOS requirement (15.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

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

AutoGPS ships an update every 6 months, iStreams Solent every 3 months. The most recent releases landed on October 26, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | AutoGPS | iStreams Solent |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 38 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AutoGPS Sp. z o.o.](https://appshunter.io/developer/1164684259) | [Navtech Software](https://appshunter.io/developer/355517263) |

## What reviewers say

### AutoGPS

[App page](https://appshunter.io/ios/app/autogps/id1164684260)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is AutoGPS free?

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

### Is iStreams Solent free?

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

### Do AutoGPS or iStreams Solent have ads?

Neither AutoGPS nor iStreams Solent shows ads.

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

AutoGPS ships an update every 6 months, and iStreams Solent every 3 months. Most recently, AutoGPS was updated on October 26, 2026 and iStreams Solent on October 12, 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.*