# ESP8266 Loader (Blynk Uploader

> Android App for flash ESP8266 development board via USB OTG or WiFi (OTA).

Canonical page: [https://chrome-stats.com/d/com.bluino.esploader](https://chrome-stats.com/d/com.bluino.esploader)

## Overview

- **ID:** `com.bluino.esploader`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Bluino
- **Category:** TOOLS
- **Downloads:** 101,100
- **Rating:** 4.08 / 5 (1,550 ratings)
- **Version:** 1.4
- **Last updated:** 2020-12-22
- **First published:** 2018-05-02
- **Publisher country:** ID
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.bluino.esploader)
- **Website:** [https://www.bluino.com](https://www.bluino.com/)
- **Privacy policy:** [https://www.bluino.com/p/arduino-language-reference-privacy.html](https://www.bluino.com/p/arduino-language-reference-privacy.html)

## Description

ESP8266 Loader (Blynk Uploader) is an Android app designed to simplify the development of IoT projects using ESP8266 development boards. It supports uploading compiled binary files directly from your Android device to any Expressif ESP8266 board via USB OTG or WiFi (Over-The-Air) flashing.

Key features include compatibility with various USB chipsets such as CDC/ACM, FTDI, PL2303, CH34X, and CP210X. The app also integrates a serial monitor for debugging purposes and allows automatic modification of Blynk token, WiFi SSID, and password during firmware uploads. The PRO version offers additional benefits like no advertisements, access to Google Drive for storage, and multiple upload widget buttons. Note that your Android device must support USB Host OTG, and quality OTG cables are recommended to avoid upload failures. This tool empowers developers to update and manage their ESP8266 devices efficiently using only their smartphones.

## Rankings

- #220,178 — Overall

## Review summary

### Pros

- Easy to use for uploading code to ESP modules via mobile.
- Only app found for loading binary onto NodeMCU v3 via USB OTG.
- Useful for cases when OTA fails.
- Great for mobile platforms.

### Cons

- Frequent crashes and syncing errors.
- Slow file uploading speed.
- Limited functionality and inability to upload certain file types (e.g., spifss binaries).
- Connection issues, including 'no device connected' error.
- High cost for the pro version and lacks editing capabilities.

## Similar extensions and apps

- [ESP32 Loader (Blynk Uploader)](https://chrome-stats.com/d/com.bluino.esp32loader) — 28,717 users, 3.79 / 5
- [ESPFlash-ESP32/ESP8266Flasher](https://chrome-stats.com/d/io.serialflow.espflash) — 14,305 users, 3.40 / 5
- [ESP8266 Development Assistant](https://chrome-stats.com/d/com.espterm) — 1,459 users
- [ArduinoDroid - Arduino/ESP IDE](https://chrome-stats.com/d/name.antonsmirnov.android.arduinodroid2) — 2,601,080 users, 3.49 / 5
- [Bluino Loader - Arduino IDE](https://chrome-stats.com/d/com.bluino.bluinoloader) — 278,726 users, 3.54 / 5
- [CADIO Flasher](https://chrome-stats.com/d/com.egycad.cadioflasher) — 3,334 users
- [ESP32\_Flasher](https://chrome-stats.com/d/com.esp_flash.esp_flash_app) — 45,063 users, 3.40 / 5
- [NT ESP SPI Flash Programmer](https://chrome-stats.com/d/com.nt.EpSpiFlashProgrammer) — 534 users
- [ESP8266 WiFi Configurator (EWC](https://chrome-stats.com/d/com.pozitifdenge.ewc) — 29,018 users
- [ESP8266 WiFi Robot Car](https://chrome-stats.com/d/com.bluino.esp8266wifirobotcar) — 111,723 users, 4.22 / 5
- [Arduino Hex Uploader-Bin/Hex](https://chrome-stats.com/d/xyz.vidieukhien.embedded.arduinohexupload) — 10,151 users
- [Mobile Ide Arduino & esp32](https://chrome-stats.com/d/com.kerry.mobileidearduinoesp32) — 150 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/com.bluino.esploader)