# DHD FLY vs Noise Meter

The clearest difference is ads: DHD FLY at none against Noise Meter's shown. DHD FLY also leads on update cadence (every 2 weeks vs every 6 months) and iOS requirement (7.0 vs 15.1). On price, 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.

DHD FLY ships an update every 2 weeks, Noise Meter every 6 months. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DHD FLY | Noise Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/dhd-fly/id1247764837/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 41 MB | 31 MB |
| Requires iOS | **7.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShanTou City Vison Electronictechnology Co., Ltd.](https://appshunter.io/developer/1388222999) | [pilyeong heo](https://appshunter.io/developer/1835315150) |

## What reviewers say

### DHD FLY

[App page](https://appshunter.io/ios/app/dhd-fly/id1247764837)

Control a toy quadrocopter in real-time using your device. Stream live video directly from the drone to your screen.

**Highlights:** Quadrocopter control, Real-time video transfer, WiFi connectivity, Supports multiple iOS versions, Compatible with various iPhone models

**Features:** macOS Compatibility

**In-app purchases:** none


### Noise Meter

[App page](https://appshunter.io/ios/app/noise-meter-db-sound-level/id6765851237)

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

**In-app purchases:** none


## Frequently asked questions

### Is DHD FLY free?

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

### Is Noise Meter free?

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

### Do DHD FLY or Noise Meter have ads?

Noise Meter shows ads; DHD FLY does not.

### Which is updated more often, DHD FLY or Noise Meter?

DHD FLY ships an update every 2 weeks, and Noise Meter every 6 months. Most recently, DHD FLY was updated on October 21, 2026 and Noise Meter on October 28, 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.*