OhmniView vs RF toolbox
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
OhmniView
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CKTDraw: Schematic editor/generator with compatible import and AI assistant to dramatically simplify circuit creation efforts. GDSView: High-performance GDSII viewer for complex layout visualization with flexible user-defined layer definition. WaveBox: Analog waveform viewing and analysis tools for both imported waveform data and results from the built-in simulator. RFGear: Common RF design utilities including Smith Chart and FFT-based tools. DashView: Interactive design summary that facilitates effective technical discussion and collaboration. Supported Format: Import:GDS, ASC, ASY, CSV, TRA. Export:SVG, PDF, PNG End User license agreement can be found at : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
RF toolbox
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RF Toolbox β 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 β’ Smith Chart utilities for impedance visualization and matching workflows β’ S11 parameter / reflection analysis support β’ Reflection coefficient and VSWR calculators Matching Networks β’ L, Pi (Ο), and T matching network calculators β’ Stub tuner tools for transmission-line matching β’ Filters (Passive & RF) β’ RC and RL passive filter calculators β’ LC low-pass prototypes: Butterworth and Chebyshev (up to 8th order) β’ Microstrip filters: band-pass and band-reject (notch) β’ RLC Networks β’ RLC series and parallel calculators for resonance and frequency behavior Attenuators β’ Pi (Ο), T, and Bridge-T attenuator calculators for common RF pad designs β’ Cascaded Networks β’ Cascaded network calculations for chained RF blocks and stages Antenna & Propagation β’ Antenna design utilities (core RF design helpers) β’ Path loss calculators β’ Friis link budget calculator β’ Power density calculator β’ Radar maximum range calculator Component Toolkits β’ Inductor design: air-core, spiral, and multi-layer air-core β’ Resistors: SMD code, color code, and series/parallel network calculator β’ Capacitors: SMD code and series/parallel network calculator DESIGNED FOR SPEED AND ACCURACY RF Toolbox is organized for quick accessβopen the tool you need, enter values, and get results immediately. Whether youβre 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.
Screenshots
Verdict
The clearest difference is update cadence: OhmniView at every 2 weeks against RF toolbox's every 6 months. RF toolbox's advantage is iOS requirement (13.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. OhmniView sells 2 in-app purchases, starting at $1.99 per month and RF toolbox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
OhmniView ships an update every 2 weeks, RF toolbox every 6 months. The most recent releases landed on May 19, 2026 and September 9, 2026 respectively.
| Parameter | OhmniView | RF toolbox |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks β better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 18.2 | 13.0 β better |
| Further details β not scored | ||
| Size | 34 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Ohmnipath Solutions | Anas Abubakar |
In-app purchases
OhmniView
- Monthly Subscription$1.991 Month
- Annual Subscription$19.991 Year
RF toolbox
- upgrade to pro$3.99





