Comparison

Signals Generator vs BLE Studio

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

Head to head
About

Signals Generator

Transform your mobile device into a dual-channel signal generator for sound and audio electric signals. Offers a wide variety of waveform types and customizable parameters like amplitude, frequency, and phase. Ideal for professionals and hobbyists for signal generation and circuit measurement.

Highlights
  • Dual-channel signal generation
  • Multiple waveform types
  • Adjustable amplitude, frequency, and phase
  • Independent channel control
  • Zoomable waveform display
  • Interface color selection
Features
Read full description

This app transforms your phone into a powerful handheld dual-channel signal generator for generating sound signals (and can also be used by professionals to generate audio electrical signals). Signal types include: sine wave, triangular wave, sawtooth wave, rectangular wave, Gaussian noise, Rayleigh noise, gamma noise, salt-and-pepper noise, uniformly distributed noise, pink noise, red (brown) noise, blue noise, purple noise, longest sequence signal, frequency-sweep signal, elementary function waveform, and hand-drawn waveform. It can switch between single-channel and dual-channel operation; the dual channels can independently set waveforms and their parameters. The parameters of the signal, such as amplitude, frequency, and phase, can be adjusted. The waveform can be scaled freely using gestures or buttons, making it simple and easy to use. Support interface color selection. This application is normally used to generate sound signals and poses no risks. Special instructions for circuit measurement: Professionals can utilize this application for circuit measurements, with audio electrical signals being output through the left and right channels of headphones. Please ensure safety: You must possess sufficient professional knowledge, and isolation equipment must be added to high-voltage circuits. Circuit measurement involves risks. The author of this application will not be responsible for any personal or equipment damage caused by the correct or incorrect use of this application.

About

BLE Studio

Features
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BLE Studio — 專為 BLE 開發者打造的完整測試工具 BLE Studio 是一款為工程師量身設計的藍牙低功耗(Bluetooth Low Energy)測試與驗證工具, 提供 Peripheral 與 Central 雙模式、可視化的 GATT 介面,以及可自訂的快速傳輸指令。 透過直覺化的 UI 與強大的開發者功能,讓 BLE 測試、除錯與驗證變得更快速、更清楚、更可靠。 主要功能 ■ Peripheral 與 Central 模式切換 一鍵切換角色,模擬真實裝置行為 Central 模式支援掃描、連線、讀寫、Notify Peripheral 模式支援廣播、自訂 Service / Characteristic ■ 完整 GATT 結構瀏覽 清楚呈現目前連線裝置的所有 Service 與 Characteristic 支援 Read / Write / Notify / Indicate 以 UTF-8 或 HEX 檢視與操作特徵值 一鍵展開 / 收合全部內容,快速瀏覽大量資料 ■ 自訂 UUID 與快速驗證狀態 可指定 Service 與 Characteristic UUID 即時顯示是否有效(有效 / 無效) 內建 UUID 輸入提示、隨機生成工具 ■ 規則(Preset)與變數(Variables)系統 透過可編輯的 JSON 規則系統,讓你一鍵送出常用傳輸指令: 支援 {{VAR}} 變數占位符 變數可設定 regex、placeholder、defaultValue 傳送前彈出輸入視窗,自動帶入預設值 適合大量測試情境與自動化驗證流程 可從 UI 管理、編輯、驗證與匯入/匯出規則檔 ■ 即時 Log 與輸出選項 即時顯示所有 BLE 事件與資料 支援 UTF-8 / HEX 切換 一鍵清空 Log 「顯示完整 Log」模式適合進行 Debug 分析 ■ 裝置掃描與 RSSI 過濾 掃描周邊所有 BLE 裝置 支援以名稱、UUID 過濾 RSSI 閾值可調整(以便排除過遠裝置) 顯示訊號強度(快速判斷距離與品質) 使用情境 BLE Studio 適用於以下場景: 測試自家 BLE 裝置的連線、讀寫與通知 驗證 GATT 結構是否正確實作 測試 Central/Peripheral 雙向行為 手動或半自動流程(透過 Preset + Variables) Debug BLE 連線問題、訊號品質與資料格式 產品開發階段的傳輸驗證腳本替代工具 教學與展示 BLE 傳輸過程 讓 BLE 測試更快、更清楚、更可靠 BLE 是許多現代產品的核心技術,而 BLE Studio 的目標就是提供開發者 一個乾淨、直覺、強大、可控、專業的 BLE 測試環境。 無論你是 SDK 工程師、韌體工程師、App 工程師或研究人員, BLE Studio 都能讓你的開發流程更順暢。

Screenshots

Signals Generator4 screens
BLE Studio3 screens

Verdict

The call

The clearest difference is in-app purchases: BLE Studio at none against Signals Generator's 14. BLE Studio also leads on update cadence (fortnightly vs every 33 months). Signals Generator's advantage is device support (4 vs 2) and iOS requirement (15.6 vs 18.0). On price and ads 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. Signals Generator sells 14 one-off in-app purchases. BLE Studio asks for nothing beyond the download.

UpkeepUpdate frequency

Signals Generator ships an update every 33 months, BLE Studio fortnightly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Signals Generator versus BLE Studio: the parameters behind the verdict, then further details
ParameterSignals GeneratorBLE Studio
PriceFreeFree
Rating4.7 (29 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings29 — better—
Update frequencyEvery 33 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.6 — better18.0
Further details — not scored
Size15 MB3 MB
Age rating4+4+
Developer怀卫 张TZU-TENG HUANG

In-app purchases

14 purchases

Signals Generator

One-time14
  • Sine Wave$0.99
  • Square Wave$0.99
  • Gaussian Noise$0.99
Show 11 more
  • Uniformly distributed noise$0.99
  • Pink Noise$0.99
  • Red (brown) noise$0.99
  • Maximum Length Sequence$0.99
  • Rayleigh Noise$0.99
  • Sawtooth Wave$0.99
  • Gamma Noise$0.99
  • Functional Wave$2.99
  • Sweep Signal$2.99
  • All Noise Signals$3.99
  • All type of signals$7.99
None

BLE Studio

No in-app purchases

Questions

Is Signals Generator free?
Signals Generator is free to download, with in-app purchases available.
Is BLE Studio free?
BLE Studio is free to download, with no in-app purchases.
Do Signals Generator or BLE Studio have ads?
Neither Signals Generator nor BLE Studio shows ads.
Which is updated more often, Signals Generator or BLE Studio?
Signals Generator ships an update every 33 months, and BLE Studio fortnightly. Most recently, Signals Generator was updated on October 7, 2026 and BLE Studio on October 10, 2026.

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