Comparison

ESP32 Kit vs Document Scanner & Extractor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ESP32 Kit

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
Read full description

Best in class ESP8266 controller. Features: - Control the board by Bluetooth or WIFI. - Read & write digital pins. - Read & write PWM pins. - Control Servo Motors. - Read analog pins. - Remember last status of the pins. - Change the mode of the pin (Output, SERVO, PWM or INPUT). - Automatic connect. - Label of each pin can be edited. - Live Charts for tracing your analog value. Applications: - Smart Home. - Automation. - Hoppy projects. - Schools & university projects. - Remote & Robots control. Requirements: - ESP32 Board - ESP32 Arduino Sketch (URL provided inside the app). - Arduino IDE to upload the sketch. Tested on: - ESP32 Dev Kit Board, and will work any similar ESP32 boards.

About

Document Scanner & Extractor

Features
Read full description

Easily scan, extract, and convert documents into PDFs with customizable page sizes. Whether you're at home, in the office, or on the go, Document Scanner & Text Extractor offers the flexibility and convenience you need for all your document management tasks. Key Features: * High-Quality Scanning: Capture documents, receipts, business cards, and more with exceptional clarity. Our advanced scanning technology ensures that every detail is preserved. * Text Extraction (OCR): Extract text from your scans with our built-in OCR (Optical Character Recognition) technology. Perfect for creating editable documents from printed text. * Multiple Page Sizes: Customize your PDF output with a wide range of page sizes, including A4, A3, Letter, Legal, and more. Ideal for creating professional-looking documents. * Batch Scanning: Save time by scanning multiple pages in one go. Combine scans into a single PDF document with ease. * Automatic Edge Detection: Our app automatically detects the edges of your documents, ensuring perfectly cropped scans every time. * Enhance Your Scans: Adjust brightness, contrast, and color settings based on filters. * Organize and Share: Easily organize your scanned documents and share them via email, cloud storage, or directly to your favorite apps. * Secure and Private: Keep your documents safe with in your device and ensure your privacy with no data stored on our servers. * No need of Internet. Why Choose Document Scanner & Text Extractor? * Customizable PDF Output: Choose from different page sizes to suit your needs, whether you're creating a contract, invoice, or presentation. *User-Friendly Interface: Our intuitive design makes it easy for anyone to scan and manage documents quickly. *Regular Updates: We’re constantly improving our app with new features and enhancements.

Screenshots

ESP32 Kit4 screens
Document Scanner & Extractor4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
ESP32 Kit versus Document Scanner & Extractor: the parameters behind the verdict, then further details
ParameterESP32 KitDocument Scanner & Extractor
Price$4.99Free — better
Rating4.8 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 20 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size32 MB9 MB
Age rating+44+
DeveloperRabi AlhetawiNandha Kumar Ravi

In-app purchases

None

ESP32 Kit

No in-app purchases

None

Document Scanner & Extractor

No in-app purchases

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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