# ESP32 Kit vs Document Scanner & Extractor

The clearest difference is price: Document Scanner & Extractor at Free against ESP32 Kit's $4.99. Document Scanner & Extractor also leads on update cadence (every 2 months vs every 20 months). ESP32 Kit's advantage is ads (none vs shown) and iOS requirement (8.0 vs 15.0). On in-app purchases and device support there is nothing between them.

Document Scanner & Extractor is free to download; ESP32 Kit costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ESP32 Kit ships an update every 20 months, Document Scanner & Extractor every 2 months. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ESP32 Kit | Document Scanner & Extractor |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/esp32-kit/id1498601142/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 32 MB | 9 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Rabi Alhetawi](https://appshunter.io/developer/1079396850) | [Nandha Kumar Ravi](https://appshunter.io/developer/1430918680) |

## What reviewers say

### ESP32 Kit

[App page](https://appshunter.io/ios/app/esp32-kit/id1498601142)

This app allows you to control ESP32 boards via Bluetooth or Wi-Fi. You can read and write digital and analog pins, control servo motors, and monitor live charts of analog values. It's ideal for smart home, automation, and hobbyist projects.

**Highlights:** Bluetooth/Wi-Fi control, Digital and PWM pin control, Servo motor control, Analog pin reading, Live analog value charts, Pin mode and label editing

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

**In-app purchases:** none


### Document Scanner & Extractor

[App page](https://appshunter.io/ios/app/document-scanner-and-extractor/id6636484682)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ESP32 Kit free?

ESP32 Kit costs $4.99, with no in-app purchases.

### Is Document Scanner & Extractor free?

Document Scanner & Extractor is free to download, with no in-app purchases.

### Do ESP32 Kit or Document Scanner & Extractor have ads?

Document Scanner & Extractor shows ads; ESP32 Kit does not.

### Which is updated more often, ESP32 Kit or Document Scanner & Extractor?

ESP32 Kit ships an update every 20 months, and Document Scanner & Extractor every 2 months. Most recently, ESP32 Kit was updated on September 30, 2026 and Document Scanner & Extractor on October 7, 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.*