Comparison

Bluetooth Serial Connect vs Crowd Energy

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

Head to head
About

Bluetooth Serial Connect

Control your Arduino projects with your phone. Design custom interfaces with buttons, joysticks, and displays to send and receive data via Bluetooth low-energy modules. An integrated library simplifies the connection process.

Highlights
  • Customizable control boards
  • Button and joystick inputs
  • Display integration
  • Bluetooth low-energy module support
  • Arduino library for easy integration
Features
Read full description

Turn your iPhone or iPad into a custom control panel for Arduino and BLE projects, without building a dedicated iOS app. Bluetooth Serial Connect lets you design a board, connect to an HM-10-style Bluetooth Low Energy (BLE) UART module, and exchange commands and live readouts with your hardware. The companion Bluetooth Serial Connect Arduino library makes it straightforward to read controls and update displays, indicators, and gauges in your sketch. DESIGN YOUR BOARD Place, move, resize, and customize nine component types: • Buttons with momentary, latch, and repeat behavior • Joysticks, sliders, toggles, and D-pads • Text displays, labels, indicators, and gauges Assign channel numbers that stay fixed when you rearrange controls. Fine-tune colors, labels, value ranges, board appearance, and haptic feedback. Undo and redo changes, duplicate and lock controls, snap them to the grid, and adjust their front-to-back order. START WITH TEMPLATES AND EXAMPLES Explore seven editable board templates for RC cars, robotic arms, menu remotes, sensor hubs, smart-home relays, and more. Companion Arduino sketches and protocol examples help you connect the app to your code. Follow the interactive walkthrough or try a board with simulated data—no hardware required. Import, export, share, and duplicate boards as your projects grow. CONNECT AND TROUBLESHOOT Scan for nearby BLE devices, follow clear connection progress, remember frequently used modules for quick reconnecting, and configure service and characteristic UUIDs. Use the timestamped two-way console to inspect sent and received messages or send console text while you troubleshoot. Setup guides, wiring help, complete examples, and the wire protocol reference are available at bluetooth.henhen1227.com. Bluetooth Serial Connect is designed for HM-10-style BLE modules. Other BLE UART hardware may work when its service and characteristic UUIDs match the app settings. HC-05 and HC-06 Bluetooth Classic modules are not supported. A compatible BLE module is required for live hardware control. FREE OR PRO Start with one board free. Add more by watching rewarded ads, or unlock Bluetooth Serial Pro with a one-time in-app purchase for unlimited boards and no ads. The free version may also show occasional ads after edits. Existing boards remain available to use. No app account is required. Board files stay on your device unless you choose to share them.

About

Crowd Energy

Features
Read full description

Crowd Energy mobile app allows Crowd consumers looking for energy to connect with Energy providers trying to share their surplus energy with others. Users can find charging points based on location, renewable energy source, or connector type using the interactive map.

Screenshots

Bluetooth Serial Connect4 screens
Crowd Energy4 screens

Verdict

The call

The clearest difference is ads: Crowd Energy at none against Bluetooth Serial Connect's shown. Crowd Energy also leads on iOS requirement (13.4 vs 16.2). On price, 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

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

Scorecard2 real differences · 8 level
Bluetooth Serial Connect versus Crowd Energy: the parameters behind the verdict, then further details
ParameterBluetooth Serial ConnectCrowd Energy
PriceFreeFree
Rating3.7 (7 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 10 months—
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.213.4 — better
Further details — not scored
Size24 MB11 MB
Age rating4+4+
DeveloperHenry AbrahamsenAritmic s.r.o.

In-app purchases

None

Bluetooth Serial Connect

No in-app purchases

None

Crowd Energy

No in-app purchases

Questions

Is Bluetooth Serial Connect free?
Bluetooth Serial Connect is free to download, with no in-app purchases.
Is Crowd Energy free?
Crowd Energy is free to download, with no in-app purchases.
Do Bluetooth Serial Connect or Crowd Energy have ads?
Bluetooth Serial Connect shows ads; Crowd Energy does not.

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