Comparison

RF toolbox vs EMC Debug

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

Head to head
About

RF toolbox

Features
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RF Toolbox — All-in-One RF Engineering Calculator & Design Suite RF Toolbox is a practical, field-ready app built for RF engineers, students, and radio hobbyists who need fast, reliable calculations and design utilities in one place. From impedance matching and transmission line work to filter and attenuator synthesis, RF Toolbox helps you move from idea to implementation with less friction. KEY FEATURES Impedance & S-Parameter Tools • Smith Chart utilities for impedance visualization and matching workflows • S11 parameter / reflection analysis support • Reflection coefficient and VSWR calculators Matching Networks • L, Pi (π), and T matching network calculators • Stub tuner tools for transmission-line matching • Filters (Passive & RF) • RC and RL passive filter calculators • LC low-pass prototypes: Butterworth and Chebyshev (up to 8th order) • Microstrip filters: band-pass and band-reject (notch) • RLC Networks • RLC series and parallel calculators for resonance and frequency behavior Attenuators • Pi (π), T, and Bridge-T attenuator calculators for common RF pad designs • Cascaded Networks • Cascaded network calculations for chained RF blocks and stages Antenna & Propagation • Antenna design utilities (core RF design helpers) • Path loss calculators • Friis link budget calculator • Power density calculator • Radar maximum range calculator Component Toolkits • Inductor design: air-core, spiral, and multi-layer air-core • Resistors: SMD code, color code, and series/parallel network calculator • Capacitors: SMD code and series/parallel network calculator DESIGNED FOR SPEED AND ACCURACY RF Toolbox is organized for quick access—open the tool you need, enter values, and get results immediately. Whether you’re prototyping a matching network, checking VSWR, sizing an attenuator, or running a quick link budget, RF Toolbox keeps your workflow efficient. Download RF Toolbox and keep essential RF design tools in your pocket.

About

EMC Debug

Features
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[Professional EMC Solutions, Your On-site Technical Expert] Designed for electronics engineers and EMC specialists, this app is the ultimate tool to boost testing efficiency and solve electromagnetic interference issues on the spot. We understand the challenges of working in controlled environments where information access is critical. Key Features: 100% Offline Access: Perfect for signal-free shielding rooms and anechoic chambers. Access all EMC solutions and technical documents without an internet connection during lab tests. Comprehensive EMI Strategies: Proven solutions for Conduction (CE), Radiation (RE), ESD, Surge, and other common electromagnetic compatibility challenges. Quick Lookup & Diagnosis: Locate issues instantly with an intuitive interface. Get specific advice on filtering, shielding, and grounding to speed up your R&D process. Who is this for? Hardware R&D Engineers EMC Test Engineers Product Certification Specialists Download now and streamline your product certification process anytime, anywhere! 【專業 EMC 整改方案,您的隨身技術專家】 這是一款專為電子工程師與 EMC 專家打造的專業工具,旨在提升測試效率並即時解決電磁干擾問題。我們深知在受限的實驗室環境中,快速獲取技術資料的重要性。 主要特色: 100% 完全離線使用: 專為無訊號的屏蔽室與電波暗室設計。實驗室測試期間無需網路,即可隨時查閱所有 EMC 整改方案與技術文件。 全方位整改對策: 收錄傳導 (CE)、輻射 (RE)、靜電 (ESD)、雷擊 (Surge) 等各類電磁相容挑戰的成熟解決方案。 快速查找與診斷: 直覺化的分類界面助您快速定位問題。提供濾波、屏蔽與接地的具體操作建議,大幅加速研發進度。 適用對象: 電子研發工程師 EMC 測試工程師 產品認證專員 立即下載,隨時隨地簡化您的產品認證流程!

Screenshots

RF toolbox4 screens
EMC Debug4 screens

Verdict

The call

The clearest difference is in-app purchases: EMC Debug at none against RF toolbox's 1. EMC Debug also leads on update cadence (weekly vs every 6 months). RF toolbox's advantage is ads (none vs shown). On price, device support and iOS requirement 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. RF toolbox sells 1 one-off in-app purchase. EMC Debug asks for nothing beyond the download.

UpkeepUpdate frequency

RF toolbox ships an update every 6 months, EMC Debug weekly. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.

Scorecard3 real differences · 3 level
RF toolbox versus EMC Debug: the parameters behind the verdict, then further details
ParameterRF toolboxEMC Debug
PriceFreeFree
Update frequencyEvery 6 monthsWeekly — better
AdsNo — betterYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size28 MB63 MB
Age rating4+4+
DeveloperAnas AbubakarCHEHUNG LIN

In-app purchases

1 purchases

RF toolbox

One-time1
  • upgrade to pro$3.99
None

EMC Debug

No in-app purchases

Questions

Is RF toolbox free?
RF toolbox is free to download, with in-app purchases available.
Is EMC Debug free?
EMC Debug is free to download, with no in-app purchases.
Do RF toolbox or EMC Debug have ads?
EMC Debug shows ads; RF toolbox does not.
Which is updated more often, RF toolbox or EMC Debug?
RF toolbox ships an update every 6 months, and EMC Debug weekly. Most recently, RF toolbox was updated on September 27, 2026 and EMC Debug on September 17, 2026.

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