# BayCurrents vs Set And Drift

The clearest difference is update cadence: Set And Drift at every 4 days against BayCurrents's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BayCurrents ships an update every 10 months, Set And Drift every 4 days. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | BayCurrents | Set And Drift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/baycurrents/id1591997070/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 3 MB | 2 MB |
| Requires iOS | **17** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Monterey Bay Aquarium Research Institute](https://appshunter.io/developer/997448509) | [Susanne LEECH](https://appshunter.io/developer/1328526040) |

## 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

**Features:** Vision Pro support

**In-app purchases:** none


### Set And Drift

[App page](https://appshunter.io/ios/app/set-and-drift/id6740541277)

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

**In-app purchases:** none


## Frequently asked questions

### Is BayCurrents free?

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

### Is Set And Drift free?

Set And Drift is free to download, with no in-app purchases.

### Do BayCurrents or Set And Drift have ads?

Neither BayCurrents nor Set And Drift shows ads.

### Which is updated more often, BayCurrents or Set And Drift?

BayCurrents ships an update every 10 months, and Set And Drift every 4 days. Most recently, BayCurrents was updated on October 21, 2026 and Set And Drift on October 16, 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.*