# Tide Graph vs ACR Product App

The clearest difference is review sentiment: Tide Graph at 70% against ACR Product App's 22%. Tide Graph also leads on rating (4.8 vs 1.7) and ratings volume (1.6K vs 36). ACR Product App's advantage is price (Free vs $1.99) and in-app purchases (none vs 12). On update cadence and ads there is nothing between them.

ACR Product App is free to download; Tide Graph costs $1.99 up front. Tide Graph sells 11 one-off in-app purchases. ACR Product App asks for nothing beyond the download.

Tide Graph holds the better App Store score, 4.8 against 1.7. That said, the two scores are not equally well evidenced: Tide Graph has 1.6K ratings behind it against 36, so its average is the more settled of the two. Written reviews point the same way: 70% of Tide Graph's written reviews are positive against 22% of ACR Product App's.

Tide Graph ships an update every 6 weeks, ACR Product App every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Tide Graph | ACR Product App |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/tide-graph/id288420737/reviews)** | [1.7 (36 ratings)](https://appshunter.io/ios/app/acr-product-app/id1458864580/reviews) |
| Number of ratings | **1.6K** | 36 |
| Positive reviews | **69.6% of reviews** | 21.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#101** | — |
| Size | 30 MB | 113 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple TV, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brainware LLC](https://appshunter.io/developer/288420740) | [Ocean Signal Limited](https://appshunter.io/developer/1453183712) |

## What reviewers say

### Tide Graph

[App page](https://appshunter.io/ios/app/tide-graph/id288420737)

**Currently charting:** #101 Top Paid · Navigation (US App Store)

This app provides interactive tide graphs with over 10 billion predictions for US coastal stations. It also displays sunrise, sunset, moonrise, moonset, and moon phases. Save locations and graphs for easy access.

**Highlights:** Interactive tide graphs, Sunrise, sunset, moonrise, moonset tracking, Moon phase display, Save recent locations, GPS location finder, Save graphs for later

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2015 Tides and Currents | $0.99 | one-time |
| 2016 Tides and Currents | $0.99 | one-time |
| 2017 Tides and Currents | $0.99 | one-time |
| 2018 Tides and Currents | $0.99 | one-time |
| 2019 Tides and Currents | $0.99 | one-time |
| 2020 Tides and Currents | $0.99 | one-time |
| 2021 Tides and Currents | $0.99 | one-time |
| 2022 Tides and Currents | $0.99 | one-time |
| 2023 Tides and Currents | $0.99 | one-time |
| 2024 Tides and Currents | $0.99 | one-time |
| 2026 Tides and Currents | $0.99 | one-time |

**What reviewers like**

- ⭐ Accurate tide data
- 📊 Excellent visual representation of tides
- 🗓️ Detailed tide information including moon phases
- 🔍 Reliable for many locations
- 💰 Good value for the price

**What reviewers complain about**

- 🌐 Requires internet connection to function
- 🗺️ Limited to US and Alaska locations only
- 🔍 Difficult to find desired location
- 🕰️ Slow loading times in some cases
- 🔧 Compatibility issues with newer devices

**Reported bugs**

- Tide data inaccuracies reported in some locations
- Crashes and freezes when switching between stations
- Date/time display issues in certain cases

**Requested features**

- Offline mode for tide data
- Ability to save favorite locations
- Larger tide graph for better visibility
- Option to switch between metric and imperial units
- Automatic updates to latest tide information


### ACR Product App

[App page](https://appshunter.io/ios/app/acr-product-app/id1458864580)

Access Class B AIS and Emergency PLB/EPIRB data. View live AIS targets, check distress beacon details, and monitor battery status via NFC or WiFi. Configure your AIS with vessel information.

**Highlights:** View live AIS targets, Check PLB/EPIRB distress beacon details, Monitor beacon operation time and battery condition via NFC, Configure Class B AIS with vessel details via WiFi, Access ACR CB2 WiFi connection for AIS data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tide Graph free?

Tide Graph costs $1.99, and also offers in-app purchases.

### Is ACR Product App free?

ACR Product App is free to download, with no in-app purchases.

### Which has better reviews, Tide Graph or ACR Product App?

Tide Graph is rated higher. Tide Graph averages 4.8 out of 5 from 1.6K ratings, while ACR Product App averages 1.7 from 36 ratings.

### Do Tide Graph or ACR Product App have ads?

Neither Tide Graph nor ACR Product App shows ads.

### Which is updated more often, Tide Graph or ACR Product App?

Tide Graph ships an update every 6 weeks, and ACR Product App every 2 months. Most recently, Tide Graph was updated on October 24, 2026 and ACR Product App 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.*