# WiFi Controller ESP8266 vs Magnetometer・Magnetic Field

The clearest difference is price: Magnetometer・Magnetic Field at Free against WiFi Controller ESP8266's $0.99. WiFi Controller ESP8266's advantage is rating (3.0 vs 1.0) and ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

Magnetometer・Magnetic Field is free to download; WiFi Controller ESP8266 costs $0.99 up front. WiFi Controller ESP8266 sells 1 one-off in-app purchase and Magnetometer・Magnetic Field sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

WiFi Controller ESP8266 holds the better App Store score, 3.0 against 1.0. That said, the two scores are not equally well evidenced: WiFi Controller ESP8266 has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of WiFi Controller ESP8266's written reviews are positive against 0% of Magnetometer・Magnetic Field's.

WiFi Controller ESP8266 ships an update every 2 months, Magnetometer・Magnetic Field every 3 months. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | WiFi Controller ESP8266 | Magnetometer・Magnetic Field |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.0 (6 ratings)](https://appshunter.io/ios/app/wifi-controller-esp8266/id1409018107/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/magnetometermagnetic-field/id6759484882/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 31 MB | 102 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gopi Gadhiya](https://appshunter.io/developer/1387816354) | [ZeroPlay Ltd.](https://appshunter.io/developer/1500119722) |

## What reviewers say

### WiFi Controller ESP8266

[App page](https://appshunter.io/ios/app/wifi-controller-esp8266/id1409018107)

This app enables communication with ESP8266 WiFi modules using TCP/IP. It allows sending and receiving messages, custom button configurations, and adjustable sliders for device control. Keep your screen on or off while managing your connected devices.

**Highlights:** Send and receive messages via TCP/IP, Auto-connect to last selected device, Customizable buttons for frequent data, Configurable sliders, Keep screen on/off option

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

**In-app purchases (1)**

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


### Magnetometer・Magnetic Field

[App page](https://appshunter.io/ios/app/magnetometermagnetic-field/id6759484882)

This app visualizes your phone's magnetic field sensor readings, showing deviations from a calibrated baseline. It features a live waveform, haptic feedback for peaks, and adjustable sensitivity for detailed analysis.

**Highlights:** Magnetic field deviation from baseline, Live waveform display, Haptic feedback for peaks, Adjustable sensitivity levels, Peak count and duration summaries, Calibration for local baseline

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Monthly | $19.99 | per month |


## Frequently asked questions

### Is WiFi Controller ESP8266 free?

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

### Is Magnetometer・Magnetic Field free?

Magnetometer・Magnetic Field is free to download, with in-app purchases available.

### Which has better reviews, WiFi Controller ESP8266 or Magnetometer・Magnetic Field?

WiFi Controller ESP8266 is rated higher. WiFi Controller ESP8266 averages 3.0 out of 5 from 6 ratings, while Magnetometer・Magnetic Field averages 1.0 from 1 ratings.

### Do WiFi Controller ESP8266 or Magnetometer・Magnetic Field have ads?

Magnetometer・Magnetic Field shows ads; WiFi Controller ESP8266 does not.

### Which is updated more often, WiFi Controller ESP8266 or Magnetometer・Magnetic Field?

WiFi Controller ESP8266 ships an update every 2 months, and Magnetometer・Magnetic Field every 3 months. Most recently, WiFi Controller ESP8266 was updated on October 29, 2026 and Magnetometer・Magnetic Field 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.*