# AirmarCAST™ vs Epoch Pro

The clearest difference is rating: Epoch Pro at 3.9 against AirmarCAST™'s 2.6. Epoch Pro also leads on review sentiment (59% vs 25%) and ratings volume (26 vs 5). AirmarCAST™'s advantage is update cadence (every 3 months vs every 13 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Epoch Pro holds the better App Store score, 3.9 against 2.6. That said, the two scores are not equally well evidenced: Epoch Pro has 26 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 25% of AirmarCAST™'s written reviews are positive against 59% of Epoch Pro's.

AirmarCAST™ ships an update every 3 months, Epoch Pro every 13 months. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | AirmarCAST™ | Epoch Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/airmarcast/id1492428585/reviews) | **[3.9 (26 ratings)](https://appshunter.io/ios/app/epoch-pro/id6463113720/reviews)** |
| Number of ratings | 5 | **26** |
| Positive reviews | 25.0% of reviews | **58.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 112 MB | 17 MB |
| Requires iOS | 16 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Airmar Technology Inc.](https://appshunter.io/developer/1062316789) | [EDG Sales International LLC](https://appshunter.io/developer/1546168152) |

## What reviewers say

### AirmarCAST™

[App page](https://appshunter.io/ios/app/airmarcast/id1492428585)

Configure and calibrate your boat's Bluetooth-enabled multisensors and modules directly from your mobile device. View real-time data on detailed gauges and perform advanced calibrations for speed, temperature, and attitude without extra hardware.

**Highlights:** Bluetooth sensor connection, Real-time data display, Intuitive navigation, Speed, temperature, attitude calibration, On-board GPS speed comparison, Advanced speed calibration wizards

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

**In-app purchases:** none


### Epoch Pro

[App page](https://appshunter.io/ios/app/epoch-pro/id6463113720)

Monitor and manage your Epoch Pro batteries with this app. It provides real-time data on individual batteries and systems, offers Bluetooth connectivity for enhanced user experience, and helps extend battery life and stability.

**Highlights:** Real-time SOC, voltage, current, capacity, temperature monitoring, Individual battery voltage and alarm status display, Cell temperature and parameter warnings (over/under voltage, over current), Bluetooth connectivity for battery systems, Record of warnings and protection events, Extend battery service life and enhance stability

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AirmarCAST™ free?

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

### Is Epoch Pro free?

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

### Which has better reviews, AirmarCAST™ or Epoch Pro?

Epoch Pro is rated higher. AirmarCAST™ averages 2.6 out of 5 from 5 ratings, while Epoch Pro averages 3.9 from 26 ratings.

### Do AirmarCAST™ or Epoch Pro have ads?

Neither AirmarCAST™ nor Epoch Pro shows ads.

### Which is updated more often, AirmarCAST™ or Epoch Pro?

AirmarCAST™ ships an update every 3 months, and Epoch Pro every 13 months. Most recently, AirmarCAST™ was updated on October 11, 2026 and Epoch Pro on October 21, 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.*