# DAMAO vs Accuphy Sonar

The clearest difference is update cadence: Accuphy Sonar at monthly against DAMAO's every 7 months. DAMAO's advantage is iOS requirement (11.3 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

DAMAO ships an update every 7 months, Accuphy Sonar monthly. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | DAMAO | Accuphy Sonar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (7 ratings)](https://appshunter.io/ios/app/accuphy-sonar/id6743123048/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | — | Free |
| Size | 12 MB | 108 MB |
| Requires iOS | **11.3** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [旭东 岑](https://appshunter.io/developer/1532629833) | [Accuphy Technologies Ltd.](https://appshunter.io/developer/1712407294) |

## What reviewers say

### DAMAO

[App page](https://appshunter.io/ios/app/damao/id1661872987)

**Features:** macOS Compatibility

**In-app purchases:** none


### Accuphy Sonar

[App page](https://appshunter.io/ios/app/accuphy-sonar/id6743123048)

Visualize underwater environments with live sonar imaging. Track fish movements with panoramic, forward, and downward views, and analyze structures with side and down scan capabilities. Monitor real-time data like water temperature and depth.

**Highlights:** Live sonar imaging, Multi-perspective views (panoramic, forward, downward), 3-in-1 sonar imaging (side, down, traditional), Real-time data monitoring (temperature, voltage, depth), Adjustable imaging parameters, Over-the-air firmware updates

**In-app purchases:** none


## Frequently asked questions

### Is DAMAO free?

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

### Is Accuphy Sonar free?

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

### Do DAMAO or Accuphy Sonar have ads?

Neither DAMAO nor Accuphy Sonar shows ads.

### Which is updated more often, DAMAO or Accuphy Sonar?

DAMAO ships an update every 7 months, and Accuphy Sonar monthly. Most recently, DAMAO was updated on October 2, 2026 and Accuphy Sonar on October 9, 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.*