Bluefruit Connect vs SignSync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bluefruit Connect
Wirelessly connect your iOS device to Adafruit Bluefruit LE modules. Control projects, send sensor data, and communicate via UART or CircuitPython. Features include a control pad, NeoPixel control, and a serial plotter.
- Wireless sensor and GPS data transmission
- Control Pad for project direction
- Arduino pin input/output control
- UART and CircuitPython message monitoring
- Interactive NeoPixel color picker
- Bluetooth LE peripheral scanning
- Serial data plotting
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Wirelessly connect your iOS device to Adafruit Bluefruit LE modules for control & communication with your projects. Features: • Send iOS sensor & GPS data wirelessly over Bluetooth LE (Continued use of GPS running in the background can dramatically decrease battery life) • Control Pad for simple directional control of your projects • Control Arduino Digital, Analog, & PWM pin input & output • Send & receive messages via UART monitor in Hex or ASCII format • Send & receive messages via CircuitPython REPL • Control NeoPixels individually with an interactive color picker • Scan & list nearby Bluetooth LE peripherals with RSSI and Advertisement data • Connect & List peripheral Services & Characteristics in Info mode • Serial Plotter to plot numeric data graphically • Multiple simultaneous connections (UART and Serial Plotter only) • Send Images via UART • Update your Bluefruit device to the latest firmware version from within the app • Use Apple Watch to control Bluefruit with Color Picker & Control Pad Learn more about Adafruit Bluefruit LE at: http://www.adafruit.com/bluefruitle
SignSync
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Detect American Sign Language (ASL)
Screenshots
Verdict
The clearest difference is update cadence: SignSync at every 11 days against Bluefruit Connect's every 2 months. SignSync also leads on iOS requirement (12.0 vs 15.0). On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Bluefruit Connect ships an update every 2 months, SignSync every 11 days. The most recent releases landed on September 19, 2026 and May 17, 2026 respectively.
| Parameter | Bluefruit Connect | SignSync |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (19 ratings) — better | — |
| Positive reviews | 69.2% of reviews | — |
| Number of ratings | 19 — better | — |
| Update frequency | Every 2 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 44 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Adafruit Industries | Coding Minds, Inc. |
In-app purchases
Bluefruit Connect
No in-app purchases
SignSync
No in-app purchases
Questions
Is Bluefruit Connect free?
Is SignSync free?
Do Bluefruit Connect or SignSync have ads?
Which is updated more often, Bluefruit Connect or SignSync?
Other comparisons
