AntScope vs Smith Designer Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AntScope
Connect your RigExpert antenna analyzer to your smartphone for detailed antenna system analysis. Visualize SWR and Smith charts, and view all parameters in one place.
- Connects to RigExpert analyzers via BLE
- SWR chart visualization
- Smith chart visualization
- All parameters mode
- Supports RigExpert Stick 230 BLE
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AntScope for iOS is a software designed to connect the RigExpert antenna analyzers with BLE option to Apple smartphones. This software allows to get information about your antenna system and visualize that information: - SWR chart (standing wave ratio) - Smith chart - All parameters mode Supported analyzers: - RigExpert Stick 230 - RigExpert Stick 230 BLE
Smith Designer Lite
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Smith Designer is a powerful and interactive Smith Chart tool for RF and Microwave professionals, students, and hobbyists. Design, analyze, and optimize impedance matching networks directly on your mobile device. This is a feature limited version, a full featured version is also available. The Smith Designer Lite version allows up to 3 elements per network and up to 2 networks per project. Whether you are designing an antenna match, an amplifier interstage, or a filter, Smith Designer provides an intuitive interface to visualize impedance transformations in real-time. Key Features: • Interactive Smith Chart: Visualize impedance trajectories as you add components. Toggle between Impedance (Z) and Admittance (Y) grids. • Schematic Editor: Build matching networks using a drag-and-drop interface. Supports Series/Shunt Inductors, Capacitors, Resistors, series and parallel RLC, Transmission Lines (Series and shunt, Open/Short Stubs), Transformers, fixed jX and jB, and S2P blocks. • Real-Time Tuning: Adjust component values using sliders or by dragging points directly on the Smith Chart to see immediate effects. • Auto Match: Automatically synthesize L-network matching circuits to match a source to a load. • Simultaneous Conjugate Matching for unconditionally stable devices, and provisions to help stabilize conditionally stable networks. • Optimization: Built-in gradient descent optimizer to fine-tune component values for the best match. • Frequency Sweeps: Analyze your design over bandwidth. Plot S-Parameters (S11, S21, S12, S22), Gain (Ga, Gp, Gt), Noise Figure, Return Loss, and Group Delay. • Monte Carlo Analysis: Simulate manufacturing tolerances. Define component variations (Uniform, Gaussian, Triangular) and visualize the spread on the Smith Chart to ensure design robustness. • S2P/Touchstone Support including noise data: Import .s2p files for S-parameter blocks and .s1p files for frequency-dependent source/load impedances. • Vendor Libraries: Easily import and use component libraries (supports Murata LPB format, see https://www.murata.com/tool/data/librarydata). • Comprehensive Overlays: Visualize VSWR circles, Constant Q arcs, Stability circles, and Noise circles (requires noise parameters). • Load Pull Contours: Import multi-frequency Load Pull and MDIF files. Frequency interpolation (nearest, linear, cubic spline). Filled contours with 5 color maps. Reference/contour plane transforms through the matching network. • Data Explorer to assess SnP data files, load-pull data files, antenna patterns and more. Advanced Tools: • Analytical Line Models: Closed-form Z₀, loss, and synthesis for Coaxial, Parallel Lines, Twisted Pair, Microstrip, Stripline, Grounded CPW, Rectangular Waveguide, and Circular Waveguide. • Transmission Line Models: Constant Phase, Electrical Length, and Physical models with loss and velocity factor. • Resonator & Attenuator Designers: Built-in calculators for common circuit blocks. Export & Share: • Export professional PDF reports with schematics, charts, and plots. • Export designs as SPICE netlists for further simulation. • Save high-resolution PNG/SVG images. • Share project files to collaborate with others. Perfect for RF engineering coursework, ham radio antenna tuning, and professional circuit design. Unlock the power of the Smith Chart in your pocket! Contact: For support or feature requests, please contact us. (c) A3DComm
Screenshots
Verdict
The clearest difference is update cadence: Smith Designer Lite at every 9 days against AntScope's every 2 months. AntScope's advantage is 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.
AntScope ships an update every 2 months, Smith Designer Lite every 9 days. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.
| Parameter | AntScope | Smith Designer Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (52 ratings) — better | — |
| Positive reviews | 22.5% of reviews | — |
| Number of ratings | 52 — better | — |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 65 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Rig Expert Ukraine Ltd. | Morten Vinding |
In-app purchases
AntScope
No in-app purchases
Smith Designer Lite
No in-app purchases
Questions
Is AntScope free?
Is Smith Designer Lite free?
Do AntScope or Smith Designer Lite have ads?
Which is updated more often, AntScope or Smith Designer Lite?
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