# Shralp Tide 2 vs BayCurrents

The clearest difference is price: BayCurrents at Free against Shralp Tide 2's $1.99. BayCurrents also leads on rating (5.0 vs 4.4). Shralp Tide 2's advantage is update cadence (every 3 weeks vs every 10 months) and chart position (#48 vs unranked). On ratings volume, ads, in-app purchases and device support there is nothing between them.

BayCurrents is free to download; Shralp Tide 2 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BayCurrents holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 8 and 5 respectively.

Shralp Tide 2 ships an update every 3 weeks, BayCurrents every 10 months. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Shralp Tide 2 | BayCurrents |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.4 (8 ratings)](https://appshunter.io/ios/app/shralp-tide-2/id504080766/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/baycurrents/id1591997070/reviews)** |
| Number of ratings | **8** | 5 |
| Positive reviews | 23.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 10 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#48** | — |
| Size | 25 MB | 3 MB |
| Requires iOS | **16.0** | 17 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [shralpsoftware](https://appshunter.io/developer/302781011) | [Monterey Bay Aquarium Research Institute](https://appshunter.io/developer/997448509) |

## What reviewers say

### Shralp Tide 2

[App page](https://appshunter.io/ios/app/shralp-tide-2/id504080766)

**Currently charting:** #48 Top Paid · Weather (US App Store)

This app provides graphical tide displays and predictions for Apple Watch, iPhone, and iPad. It offers at-a-glance tide information, time travel for tide viewing, and a monthly tide calendar for planning. It supports thousands of US tide locations and currents.

**Highlights:** Graphical tide display, Tide graph and highs/lows, Watch complications for tide level, Time travel for tide viewing, Interactive iPhone tide graph, Monthly tide calendar on iPad, Thousands of US tide locations and currents

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive landscape graph
- 👍 Developer responsiveness
- 👍 Simplicity and design
- 👍 Works in Canada (some locations)
- 👍 Great Apple Watch complication

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Loses saved locations
- 🐛 Reverts to default location
- 🐛 Missing many locations from previous version
- 🐛 Not available in Canada/Australia

**Reported bugs**

- Horizontal cursor not working on iOS 15
- Crashes and loses saved locations
- Deletes favorite locations on close
- Reverts to La Jolla/Scripps Pier
- App crashes on start after deleting La Jolla

**Requested features**

- Update to fix iOS 15 horizontal cursor issue
- Update for new Watch 4 faces
- Add metric units to Apple Watch app
- Add more BC tide stations
- Add Australian tides


### BayCurrents

[App page](https://appshunter.io/ios/app/baycurrents/id1591997070)

Visualize high-resolution surface currents in the San Francisco Bay. This app supports various maritime activities with data up to 48 hours in the future. It operates autonomously offline, using NOAA model data enhanced by radar and tidal observations.

**Highlights:** High-resolution surface current maps, 48-hour future forecasting, Offline autonomous operation, NOAA numerical model data, Supports recreational and professional maritime activities

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Shralp Tide 2 free?

Shralp Tide 2 costs $1.99, with no in-app purchases.

### Is BayCurrents free?

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

### Which has better reviews, Shralp Tide 2 or BayCurrents?

BayCurrents is rated higher. Shralp Tide 2 averages 4.4 out of 5 from 8 ratings, while BayCurrents averages 5.0 from 5 ratings.

### Do Shralp Tide 2 or BayCurrents have ads?

Neither Shralp Tide 2 nor BayCurrents shows ads.

### Which is updated more often, Shralp Tide 2 or BayCurrents?

Shralp Tide 2 ships an update every 3 weeks, and BayCurrents every 10 months. Most recently, Shralp Tide 2 was updated on November 10, 2026 and BayCurrents on November 3, 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.*