# CHASING GO2 vs AirmarCAST™

The clearest difference is rating: AirmarCAST™ at 2.6 against CHASING GO2's 2.3. AirmarCAST™ also leads on review sentiment (25% vs 5%). CHASING GO2's advantage is ratings volume (24 vs 5) and iOS requirement (9.0 vs 16). On price, update cadence, ads and in-app purchases there is nothing between them.

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

AirmarCAST™ holds the better App Store score, 2.6 against 2.3. Both are backed by a comparable volume of ratings — 24 and 5 respectively. Written reviews point the same way: 5% of CHASING GO2's written reviews are positive against 25% of AirmarCAST™'s.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on September 8, 2026.

## The numbers

| Metric | CHASING GO2 | AirmarCAST™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (24 ratings)](https://appshunter.io/ios/app/chasing-go2/id1478859641/reviews) | **[2.6 (5 ratings)](https://appshunter.io/ios/app/airmarcast/id1492428585/reviews)** |
| Number of ratings | **24** | 5 |
| Positive reviews | 5.3% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 130 MB | 112 MB |
| Requires iOS | **9.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chasing-Innovation Technology Co., LTD.](https://appshunter.io/developer/1249652722) | [Airmar Technology Inc.](https://appshunter.io/developer/1062316789) |

## What reviewers say

### CHASING GO2

[App page](https://appshunter.io/ios/app/chasing-go2/id1478859641)

Capture and share underwater moments with real-time image transmission and live streaming. Edit and enjoy your underwater photos and videos with this companion app.

**Highlights:** Real-time image transmission, Live streaming, Photo and video editing, Sharing capabilities, Supports CHASING F1 and DORY products

**In-app purchases:** none


### 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


## Frequently asked questions

### Is CHASING GO2 free?

CHASING GO2 is free to download, with no in-app purchases.

### Is AirmarCAST™ free?

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

### Which has better reviews, CHASING GO2 or AirmarCAST™?

AirmarCAST™ is rated higher. CHASING GO2 averages 2.3 out of 5 from 24 ratings, while AirmarCAST™ averages 2.6 from 5 ratings.

### Do CHASING GO2 or AirmarCAST™ have ads?

Neither CHASING GO2 nor AirmarCAST™ shows ads.

### Which is updated more often, CHASING GO2 or AirmarCAST™?

CHASING GO2 ships an update every 3 months, and AirmarCAST™ every 3 months. Most recently, CHASING GO2 was updated on September 8, 2026 and AirmarCAST™ on September 8, 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.*