# Flexy vs Frequency Generator

The clearest difference is rating: Frequency Generator at 4.3 against Flexy's 2.0. Frequency Generator also leads on ratings volume (8 vs 1). Flexy's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Frequency Generator sells 1 one-off in-app purchase. Flexy asks for nothing beyond the download.

Frequency Generator holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: Frequency Generator has 8 ratings behind it against 1, so its average is the more settled of the two.

Flexy ships an update every 3 days, Frequency Generator monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Flexy | Frequency Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/flexy-smart/id6449510450/reviews) | **[4.3 (8 ratings)](https://appshunter.io/ios/app/frequency-generator-hz-sound/id6759500217/reviews)** |
| Number of ratings | 1 | **8** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | **Free** | Freemium |
| Size | 53 MB | 1 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Shenzhen Lite IoT Innovation Technology Co., Ltd.](https://appshunter.io/developer/1574325023) | [Shota Sukhiashvili](https://appshunter.io/developer/1843072730) |

## What reviewers say

### Flexy

[App page](https://appshunter.io/ios/app/flexy-smart/id6449510450)

Control the color and brightness of your smart lamps. Set dynamic lighting modes, including options that sync with music and microphone audio. Enjoy interactive and fun lighting experiences.

**Highlights:** Control color and brightness, Set various change modes, Music rhythm synchronization, Microphone sound synchronization, Interactive lighting effects

**Features:** macOS Compatibility

**In-app purchases:** none


### Frequency Generator

[App page](https://appshunter.io/ios/app/frequency-generator-hz-sound/id6759500217)

Create audio tones from 1 Hz to 22 kHz with adjustable frequency and waveform. Offers a sleep timer and dark mode. Free users have limited daily uses and waveform options.

**Highlights:** Generate tones from 1 Hz to 22 kHz, Adjustable frequency and waveform, Multiple waveform options, Sleep timer, Dark mode interface, Free and premium tiers

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium. | $4.99 | one-time |


## Frequently asked questions

### Is Flexy free?

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

### Is Frequency Generator free?

Frequency Generator is free to download, with in-app purchases available.

### Which has better reviews, Flexy or Frequency Generator?

Frequency Generator is rated higher. Flexy averages 2.0 out of 5 from 1 ratings, while Frequency Generator averages 4.3 from 8 ratings.

### Do Flexy or Frequency Generator have ads?

Neither Flexy nor Frequency Generator shows ads.

### Which is updated more often, Flexy or Frequency Generator?

Flexy ships an update every 3 days, and Frequency Generator monthly. Most recently, Flexy was updated on November 3, 2026 and Frequency Generator on October 31, 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.*