# WiFi Automation ESP8266 vs Frequency Generator

The clearest difference is price: Frequency Generator at Free against WiFi Automation ESP8266's $0.99. Frequency Generator also leads on update cadence (every 3 weeks vs every 3 months). WiFi Automation ESP8266's advantage is iOS requirement (10.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

Frequency Generator is free to download; WiFi Automation ESP8266 costs $0.99 up front. WiFi Automation ESP8266 sells 1 one-off in-app purchase and Frequency Generator sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

WiFi Automation ESP8266 ships an update every 3 months, Frequency Generator every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | WiFi Automation ESP8266 | Frequency Generator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 25 MB | 282 MB |
| Requires iOS | **10.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gopi Gadhiya](https://appshunter.io/developer/1387816354) | [Emre Atik](https://appshunter.io/developer/1686436153) |

## What reviewers say

### WiFi Automation ESP8266

[App page](https://appshunter.io/ios/app/wifi-automation-esp8266/id1408689519)

Control up to 8 relays using an ESP8266 WiFi module via TCP/IP. Customize switch names, set sending and response commands, and manage connectivity for automated control.

**Highlights:** Control 8 relays with ESP8266, TCP/IP connectivity, Auto-connect to last device, Customizable switch names, Define sending and response commands, Keep screen on/off option

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $3.99 | one-time |


### Frequency Generator

[App page](https://appshunter.io/ios/app/frequency-generatorsound-wave/id6752813377)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Days Free Trial Weekly PRO | $3.99 | per 7 days |
| Sona Annual PRO | $19.99 | per year |


## Frequently asked questions

### Is WiFi Automation ESP8266 free?

WiFi Automation ESP8266 costs $0.99, and also offers in-app purchases.

### Is Frequency Generator free?

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

### Do WiFi Automation ESP8266 or Frequency Generator have ads?

Neither WiFi Automation ESP8266 nor Frequency Generator shows ads.

### Which is updated more often, WiFi Automation ESP8266 or Frequency Generator?

WiFi Automation ESP8266 ships an update every 3 months, and Frequency Generator every 3 weeks. Most recently, WiFi Automation ESP8266 was updated on November 2, 2026 and Frequency Generator on October 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.*