# BayCurrents vs PredictCurrent

The clearest difference is rating: BayCurrents at 5.0 against PredictCurrent's 4.5. BayCurrents also leads on in-app purchases (none vs 5). PredictCurrent's advantage is ratings volume (255 vs 3) and chart position (#59 vs unranked). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PredictCurrent sells 5 in-app purchases, starting at $15.00 per month. BayCurrents asks for nothing beyond the download.

BayCurrents holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: PredictCurrent has 255 ratings behind it against 3, so its average is the more settled of the two.

BayCurrents ships an update every 2 months, PredictCurrent monthly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | BayCurrents | PredictCurrent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/baycurrents/id1591997070/reviews)** | [4.5 (255 ratings)](https://appshunter.io/ios/app/predictcurrent/id6468610449/reviews) |
| Number of ratings | 3 | **255** |
| Positive reviews | — | 56.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#59** |
| Size | 1 MB | 50 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Monterey Bay Aquarium Research Institute](https://appshunter.io/developer/997448509) | [PredictWind Limited](https://appshunter.io/developer/477048590) |

## What reviewers say

### 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

**In-app purchases:** none


### PredictCurrent

[App page](https://appshunter.io/ios/app/predictcurrent/id6468610449)

**Currently charting:** #59 Top Grossing · Weather (US App Store)

Navigate coastal waters with detailed tidal and ocean current maps. Access 10-day forecasts for currents, wind, waves, and sea temperatures. Essential for safe marine planning and exploration.

**Highlights:** Ultra-high-resolution 100m tidal current maps, 400m and 4km global coastline coverage, 10-day animated forecasts for currents, wind, and waves, Hourly tide chart data, Wind-against-current interaction analysis, Sea temperature tracking

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PredictCurrent Pro 1-Month | $15.00 | per month |
| PredictCurrent Pro 3-Monthly | $29.00 | per 3 months |
| PredictCurrent Pro 3-Monthly | $29.00 | per 3 months |
| PredictCurrent Pro 3-Monthly | $29.00 | per 3 months |
| PredictCurrent Pro Annual | $99.00 | per year |

**What reviewers like**

- 📊 Detailed hour-by-hour current visualizations
- 🎯 Accurate tidal and current predictions
- 👍 Intuitive and user-friendly interface
- 🌊 Comprehensive water condition data (wind, tide, waves, temperature)
- 💼 Valuable competitive advantage for water sports professionals

**What reviewers complain about**

- 💰 Expensive subscription pricing ($24-30 quarterly)
- 🚫 Mandatory account creation required
- 📍 Limited geographic coverage and location availability
- ⏰ Forecast data limited to short timeframes (until 11am-noon next day)
- 🔐 Privacy concerns regarding personal data collection

**Reported bugs**

- Unable to add location error messages despite valid coordinates
- Location setup fails to respond or complete
- Password not saved correctly in database, preventing login
- Account creation fails with character handling errors
- App crashes when setting locations

**Requested features**

- Extended forecast data for full 24-hour next day coverage
- Smaller time increment stepping (sub-hourly) for racing
- Exact tide turn time information beyond hourly data
- Legend/symbol guide for app indicators
- Improved coastal and estuarine modeling


## Frequently asked questions

### Is BayCurrents free?

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

### Is PredictCurrent free?

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

### Which has better reviews, BayCurrents or PredictCurrent?

BayCurrents is rated higher. BayCurrents averages 5.0 out of 5 from 3 ratings, while PredictCurrent averages 4.5 from 255 ratings.

### Do BayCurrents or PredictCurrent have ads?

Neither BayCurrents nor PredictCurrent shows ads.

### Which is updated more often, BayCurrents or PredictCurrent?

BayCurrents ships an update every 2 months, and PredictCurrent monthly. Most recently, BayCurrents was updated on October 4, 2026 and PredictCurrent 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.*