# TidesTable_SD vs SDBG

The clearest difference is price: SDBG at Free against TidesTable_SD's $0.99. SDBG also leads on iOS requirement (15.1 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

SDBG is free to download; TidesTable_SD costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TidesTable_SD ships an update every 3 months, SDBG every 7 months. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | TidesTable_SD | SDBG |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tidestable-sd/id1672101342/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Paid | — |
| Size | 9 MB | 131 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Jack McCormack](https://appshunter.io/developer/1658121467) | [San Diego Botanic Garden](https://appshunter.io/developer/1735583841) |

## What reviewers say

### TidesTable_SD

[App page](https://appshunter.io/ios/app/tidestable-sd/id1672101342)

Provides detailed tide predictions for San Diego, CA, including high and low tide times, swell height, and lunar influence. Features a zoomable map, GPS directions, and event links for Fiesta Island. Offers graphical and textual data for the entire month, working offline.

**Highlights:** High & Low Tide Estimates, Ocean Swell Height Data, Lunar Influence Chart, Zoomable Map of Mission Bay Park, GPS Driving Directions, Upcoming Event Links, Offline Tidal Information

**Features:** macOS Compatibility

**In-app purchases:** none


### SDBG

[App page](https://appshunter.io/ios/app/sdbg/id6479328871)

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

**In-app purchases:** none


## Frequently asked questions

### Is TidesTable_SD free?

TidesTable_SD costs $0.99, with no in-app purchases.

### Is SDBG free?

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

### Do TidesTable_SD or SDBG have ads?

Neither TidesTable_SD nor SDBG shows ads.

### Which is updated more often, TidesTable_SD or SDBG?

TidesTable_SD ships an update every 3 months, and SDBG every 7 months. Most recently, TidesTable_SD was updated on September 14, 2026 and SDBG on September 17, 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.*