Comparison

EspBlufi vs SunFounder Controller

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

Head to head
About

EspBlufi

This utility app facilitates communication with IoT devices using BLE data. It enables device distribution and custom data transmission, requiring the external device to be powered on for connection.

Highlights
  • BLE communication with IoT devices
  • Device distribution
  • Custom data transmission
  • Custom data reception
  • Search and connect functionality
Features
Read full description

EspBlufi is based on the Blufi protocol and communicates with IOT devices via BLE data to implement device distribution and custom data transmission and reception. The system can search successfully and connect only after the external device is started.

About

SunFounder Controller

This app acts as a virtual remote control for robot kits powered by ESP32 and Raspberry Pi. It offers customizable controls like radar ranging, tracking, sliders, buttons, and arrow keys for interactive robot operation.

Highlights
  • Virtual remote control
  • ESP32 and Raspberry Pi compatibility
  • Radar ranging control
  • Three-channel tracking
  • Customizable control layout
  • Sliders, buttons, and arrow keys
Features
Read full description

Sunfounder Controller is a virtual remote control APP, used to control ESP32 and Raspberry Pi-based robot kits. The APP integrates controls such as radar ranging, three-channel tracking, sliders, buttons, and arrow keys. Users can customize the arrangement of these controls according to their own preferences.

Screenshots

EspBlufi4 screens
SunFounder Controller4 screens

Verdict

The call

The clearest difference is rating: SunFounder Controller at 4.4 against EspBlufi's 3.3. SunFounder Controller also leads on ratings volume (28 vs 3). On price, update cadence, ads and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SunFounder Controller holds the better App Store score, 4.4 against 3.3. That said, the two scores are not equally well evidenced: SunFounder Controller has 28 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

EspBlufi ships an update every 2 months, SunFounder Controller every 3 months. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
EspBlufi versus SunFounder Controller: the parameters behind the verdict, then further details
ParameterEspBlufiSunFounder Controller
PriceFreeFree
Rating3.3 (3 ratings)4.4 (28 ratings) — better
Positive reviews—94.7% of reviews
Number of ratings328 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better11.0
Further details — not scored
Size3 MB92 MB
Age rating4+4+
DeveloperESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.Shenzhen Maker Stars Technology Co., Ltd.

Customer experience

EspBlufi

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

SunFounder Controller

All ratings28 ratings
Positive82.1%
Neutral3.6%
Negative14.3%
Written reviews57 reviews
Positive94.7%
Neutral1.8%
Negative3.5%

Bugs and requests

EspBlufi

Not enough reviews yet to summarise bugs or requests.

SunFounder Controller

Reported bugs

2 issues
  • App disconnects and requires reinstallation to reconnect
  • Link button is off-screen on iPhone XS Max

Requested features

2 requests
  • Add a list-box or radio-button widget class
  • More warm functions

In-app purchases

None

EspBlufi

No in-app purchases

None

SunFounder Controller

No in-app purchases

Questions

Is EspBlufi free?
EspBlufi is free to download, with no in-app purchases.
Is SunFounder Controller free?
SunFounder Controller is free to download, with no in-app purchases.
Which has better reviews, EspBlufi or SunFounder Controller?
SunFounder Controller is rated higher. EspBlufi averages 3.3 out of 5 from 3 ratings, while SunFounder Controller averages 4.4 from 28 ratings.
Do EspBlufi or SunFounder Controller have ads?
Neither EspBlufi nor SunFounder Controller shows ads.
Which is updated more often, EspBlufi or SunFounder Controller?
EspBlufi ships an update every 2 months, and SunFounder Controller every 3 months. Most recently, EspBlufi was updated on October 4, 2026 and SunFounder Controller on October 3, 2026.

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