# Voltcraft WIFI Scope vs Frequency

The clearest difference is ads: Voltcraft WIFI Scope at none against Frequency's shown. Voltcraft WIFI Scope also leads on iOS requirement (9.0 vs 16.0). On price, update cadence, 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.

Voltcraft WIFI Scope ships an update every 3 weeks, Frequency fortnightly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Voltcraft WIFI Scope | Frequency |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/frequency-sound-generator/id6474342664/reviews)** |
| Number of ratings | — | **1.1K** |
| Positive reviews | — | 72.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 8 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CEI Conrad Electronic International (HK) Limited](https://appshunter.io/developer/756357900) | [Lucija Jaksic](https://appshunter.io/developer/1721391925) |

## What reviewers say

### Voltcraft WIFI Scope

[App page](https://appshunter.io/ios/app/voltcraft-wifi-scope/id1097236154)

**Features:** macOS Compatibility

**In-app purchases:** none


### Frequency

[App page](https://appshunter.io/ios/app/frequency-sound-generator/id6474342664)

Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.

**Highlights:** Generate sine, square, sawtooth, triangle waves, Adjustable frequency (1Hz-22000Hz), Animated sound wave visualization, Volume control (0-100%), Note selection, Speaker cleaning function

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use interface
- 🎵 Accurate frequency generation
- 💰 Free application
- 🧘 Helpful for meditation and stress relief
- 🔧 Multiple waveform options (sine, square, triangular, sawtooth)

**What reviewers complain about**

- 📢 Intrusive and inappropriate advertisements
- 🔊 Potential audio damage to speakers/hearing
- 🔒 Privacy concerns and data collection issues
- 📱 UI elements off-screen on compact devices
- 🎚️ Difficult frequency selection with slider

**Reported bugs**

- Slider snaps to certain numbers, skipping decimals
- Missing specific frequencies (431Hz, 432Hz, 128Hz)
- Settings/controls off-screen on smaller devices
- App crashes when switching between applications

**Requested features**

- Manual text input for precise frequency selection
- Ad-free paid version option
- Timer feature for sessions
- Digital tuning with +/- buttons on main screen
- Background image customization or frequency healing chart


## Frequently asked questions

### Is Voltcraft WIFI Scope free?

Voltcraft WIFI Scope is free to download, with no in-app purchases.

### Is Frequency free?

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

### Do Voltcraft WIFI Scope or Frequency have ads?

Frequency shows ads; Voltcraft WIFI Scope does not.

### Which is updated more often, Voltcraft WIFI Scope or Frequency?

Voltcraft WIFI Scope ships an update every 3 weeks, and Frequency fortnightly. Most recently, Voltcraft WIFI Scope was updated on October 19, 2026 and Frequency on October 24, 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.*