iStreams Solent vs SailRaceManager2
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
iStreams Solent
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.
- 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
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iStreams gives you instant access to the Solent tidal stream atlas, aligned to the current time using High Water at Portsmouthβ even when you're offline. Whether you're sailing, navigating coastal waters, or passage planning, iStreams helps you understand tidal flow quickly and accurately. Key Features: Real-time tidal stream charts Automatically displays the correct hourly chart based on the nearest Portsmouth High Water time. Fully offline functionality (forecast link requires a connection) No signal? No problem. All charts and tools work without internet access. As time progresses, the app switches to the next valid tidal period. Swipe forward and backward through tidal hours with ease. Select any date for future planning Pinch to zoom and drag to explore details. Toggle between Local Time and UTC. Show boat position on the chart Navigation Tools: Interpolated Rate Calculator * Instantly calculate stream rate between neaps and springs. Tidal Set Tool (In-App Purchase) * Measure the true direction of tidal stream arrows with precision. Course to Steer (CTS) (In-App Purchase) * Calculate the correct heading to maintain your intended course. How It Works: iStreams automatically selects the nearest High Water at Portsmouth and displays the corresponding tidal stream chart. Want to plan ahead or review earlier conditions? Simply swipe forward or backward through the tidal hours to view past or future data. Why Choose iStreams? Designed for sailors, navigators, and coastal users Fast, clear, and easy-to-use interface Accurate tidal data when you need it most
SailRaceManager2
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SailRaceManager guides you from the pre-start maneuvers to crossing the finish line. The app records your regatta and cruising tracks via GPS, shows you your speed and course in real time, and helps you analyze your races on the map. NEW! Free app for everyone! Try the app for free. Purchase Pro and Premium subscriptions only if needed. Countdown & Race Timer Start the adjustable countdown (default: 5 minutes) and adjust the time in-minute increments with the touch of a button. When the countdown reaches zero, the race timer starts automatically. Precise GPS Tracking Three GPS profiles tailor the tracking to your specific needs. All tracks are saved in the open GPX format and can be shared with other apps and services. Tactics HUD The overlay-free head-up display shows you the following at all times: β’ SOG β Speed Over Ground in knots or km/h (switchable) β’ COG β Course Over Ground in degrees Waypoints & Start Line Set waypoints and start line endpoints directly on the map. The app automatically calculates your distance from the start line and the time remaining until you reach itβso you always know when to turn. (Beta) Track Management & Comparison View multiple tracks simultaneously on the map and compare different races or sections. Tracks can be renamed, color-coded, shared, or deleted. The details view shows distance, duration, and maximum speed. Backup & Restore Back up your tracks and settings with a single tap as a ZIP file and share them via AirDrop or iCloud. GPX files can be imported directly. If the app restarts unexpectedly, an incomplete recording is automatically detected and offered for recovery. Languages: German, English, French Optimized for iPhone and iPad The app automatically adjusts its layout to the deviceβs size and orientation.
Screenshots
Verdict
The clearest difference is in-app purchases: SailRaceManager2 at none against iStreams Solent's 6. SailRaceManager2 also leads on update cadence (every 8 days vs every 3 months). iStreams Solent's advantage is iOS requirement (18.2 vs 26.0). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. iStreams Solent sells 4 one-off in-app purchases. SailRaceManager2 asks for nothing beyond the download.
iStreams Solent ships an update every 3 months, SailRaceManager2 every 8 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | iStreams Solent | SailRaceManager2 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | β |
| Update frequency | Every 3 months | Every 8 days β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Monetization | Free with in-app purchases | β |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.2 β better | 26.0 |
| Further details β not scored | ||
| Size | 38 MB | 6 MB |
| Age rating | 4+ | 12+ |
| Developer | Navtech Software | Juergen Schulz |
In-app purchases
iStreams Solent
- Unlock 'Set' tool$1.99
- 1 Month Subscription2 variants$2.99
- Unlock CTS tool$3.99
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- 1 Year Subscription2 variants$5.99
SailRaceManager2
No in-app purchases
Questions
Is iStreams Solent free?
Is SailRaceManager2 free?
Do iStreams Solent or SailRaceManager2 have ads?
Which is updated more often, iStreams Solent or SailRaceManager2?
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