# G Code Generator CNC OD ID vs Frequency

The clearest difference is price: Frequency at Free against G Code Generator CNC OD ID's $3.99. Frequency also leads on rating (4.7 vs 3.9) and ratings volume (340 vs 19). G Code Generator CNC OD ID's advantage is ads (none vs shown) and iOS requirement (9.0 vs 16.0). On review sentiment, update cadence, in-app purchases and device support there is nothing between them.

Frequency is free to download; G Code Generator CNC OD ID costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Frequency holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: Frequency has 340 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 63% of G Code Generator CNC OD ID's written reviews are positive against 70% of Frequency's.

G Code Generator CNC OD ID ships an update every 3 weeks, Frequency fortnightly. The most recent releases landed on September 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | G Code Generator CNC OD ID | Frequency |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.9 (19 ratings)](https://appshunter.io/ios/app/g-code-generator-cnc-od-id/id1081603013/reviews) | **[4.7 (340 ratings)](https://appshunter.io/ios/app/frequency-sound-generator/id6474342664/reviews)** |
| Number of ratings | 19 | **340** |
| Positive reviews | 62.5% of reviews | **69.6% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 8 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [Lucija Jaksic](https://appshunter.io/developer/1721391925) |

## What reviewers say

### G Code Generator CNC OD ID

[App page](https://appshunter.io/ios/app/g-code-generator-cnc-od-id/id1081603013)

This utility app simplifies CNC G-code generation for various OD and ID machining tasks. Input numerical values to quickly create codes for angles, radii, chamfers, and more. Easily copy, email, or screenshot your generated G-codes.

**Highlights:** Generate G-codes for OD machining, Generate G-codes for ID machining, Input numerical values for calculations, Supports angle and radius conversions, Handles chamfer and step operations, Copy G-codes to clipboard, Email generated G-codes

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

**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 G Code Generator CNC OD ID free?

G Code Generator CNC OD ID costs $3.99, with no in-app purchases.

### Is Frequency free?

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

### Which has better reviews, G Code Generator CNC OD ID or Frequency?

Frequency is rated higher. G Code Generator CNC OD ID averages 3.9 out of 5 from 19 ratings, while Frequency averages 4.7 from 340 ratings.

### Do G Code Generator CNC OD ID or Frequency have ads?

Frequency shows ads; G Code Generator CNC OD ID does not.

### Which is updated more often, G Code Generator CNC OD ID or Frequency?

G Code Generator CNC OD ID ships an update every 3 weeks, and Frequency fortnightly. Most recently, G Code Generator CNC OD ID was updated on September 24, 2026 and Frequency on September 30, 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.*