# Tide Graph Pro vs ACR Product App

The clearest difference is review sentiment: Tide Graph Pro at 84% against ACR Product App's 22%. Tide Graph Pro also leads on rating (4.8 vs 1.7) and ratings volume (3.7K vs 36). ACR Product App's advantage is price (Free vs $5.99) and in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

ACR Product App is free to download; Tide Graph Pro costs $5.99 up front. Tide Graph Pro sells 2 in-app purchases, starting at $1.99 per month. ACR Product App asks for nothing beyond the download.

Tide Graph Pro holds the better App Store score, 4.8 against 1.7. That said, the two scores are not equally well evidenced: Tide Graph Pro has 3.7K ratings behind it against 36, so its average is the more settled of the two. Written reviews point the same way: 84% of Tide Graph Pro's written reviews are positive against 22% of ACR Product App's.

Tide Graph Pro ships an update every 3 weeks, ACR Product App every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Tide Graph Pro | ACR Product App |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.8 (3.7K ratings)](https://appshunter.io/ios/app/tide-graph-pro/id721000562/reviews)** | [1.7 (36 ratings)](https://appshunter.io/ios/app/acr-product-app/id1458864580/reviews) |
| Number of ratings | **3.7K** | 36 |
| Positive reviews | **83.7% of reviews** | 21.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 129 MB | 113 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, 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 Pro

[App page](https://appshunter.io/ios/app/tide-graph-pro/id721000562)

Access up-to-date and historical tide and water current predictions for over 9000 US locations offline. Visualize data with daily, weekly, monthly, and yearly graphs, and receive customizable alerts for high and low tides.

**Highlights:** Offline tide and water current predictions, Over 9000 US locations, Daily/Weekly/Monthly/Yearly tide graphs, High/Low tide alert notifications, Apple Watch integration, GPS/Map/Search tides

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $9.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate tide predictions
- 💡 Helpful moon phase and sun rise/set info
- 🤙 Essential tool for water activities
- 👌 Great visual layout and interface

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔍 Limited tide station coverage in some areas
- 🤔 Discrepancies between free and paid versions
- 📱 Apple Watch app issues

**Reported bugs**

- Crashes on startup for some users
- Saved locations disappearing after updates
- Apple Watch app not refreshing properly

**Requested features**

- Current and current predictions
- Ability to quickly jump to current time
- More customization options
- Expanded coverage for additional regions


### 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 Pro free?

Tide Graph Pro costs $5.99, 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 Pro or ACR Product App?

Tide Graph Pro is rated higher. Tide Graph Pro averages 4.8 out of 5 from 3.7K ratings, while ACR Product App averages 1.7 from 36 ratings.

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

Neither Tide Graph Pro nor ACR Product App shows ads.

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

Tide Graph Pro ships an update every 3 weeks, and ACR Product App every 2 months. Most recently, Tide Graph Pro was updated on November 1, 2026 and ACR Product App on November 3, 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.*