# Tide Charts vs SargView

The clearest difference is in-app purchases: SargView at none against Tide Charts's 1. SargView also leads on ads (none vs shown) and iOS requirement (13.4 vs 15.1). Tide Charts's advantage is update cadence (every 3 weeks vs every 15 months) and chart position (#38 vs unranked). On price there is nothing between them.

Both are free to download. Tide Charts sells 1 one-off in-app purchase. SargView asks for nothing beyond the download.

Tide Charts ships an update every 3 weeks, SargView every 15 months. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Tide Charts | SargView |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (115K ratings)](https://appshunter.io/ios/app/tide-charts/id957143504/reviews)** | — |
| Number of ratings | **115K** | — |
| Positive reviews | 68.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 15 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#38** | — |
| Size | 104 MB | 30 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [7th Gear](https://appshunter.io/developer/321178305) | [Cristele CHEVALIER](https://appshunter.io/developer/1694014377) |

## What reviewers say

### Tide Charts

[App page](https://appshunter.io/ios/app/tide-charts/id957143504)

**Currently charting:** #38 Top Free · Weather (US App Store)

Access worldwide tidal estimates, lunar data, and weather forecasts. Plan outdoor adventures with ease using current radar and offline predictions. Supports Apple Watch and includes a Today Extension for quick access.

**Highlights:** Worldwide tidal estimates, Lunar data, Weather forecast, Current radar, Offline predictions, Favorite station management, Apple Watch support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 🚀 Clear tide information
- 👍 Useful for planning activities
- 💡 Comprehensive data including weather and moon phases
- 🤖 Accurate and reliable
- 🌟 Great app for Apple Watch

**What reviewers complain about**

- 🐛 Inaccurate tide data in some locations
- 🙈 Intrusive and unskippable ads
- 🤯 Ads crashing the app
- 🤔 Confusing UI and navigation
- 🤖 Unreliable Apple Watch complications

**Reported bugs**

- Tide data off by several hours
- Tide graph not displaying correctly
- App crashing on ad dismissal
- Apple Watch complications freezing

**Requested features**

- Ability to set custom locations
- Improved accuracy and data sources
- Option to purchase ad-free version
- Landscape mode support
- More detailed tide height information


### SargView

[App page](https://appshunter.io/ios/app/sargview/id6450603267)

This community app allows sea users to report and visualize sargassum raft observations. It collects raft type and geographic coordinates, contributing to citizen science and knowledge sharing between researchers and observers. Scientists can also use its tools for in-sea raft measurements.

**Highlights:** Report sargassum raft observations, Visualize observations on a map, Citizen science participation, Knowledge sharing platform, Tools for scientific measurement

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Tide Charts free?

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

### Is SargView free?

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

### Do Tide Charts or SargView have ads?

Tide Charts shows ads; SargView does not.

### Which is updated more often, Tide Charts or SargView?

Tide Charts ships an update every 3 weeks, and SargView every 15 months. Most recently, Tide Charts was updated on November 2, 2026 and SargView on October 24, 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.*