InterSpec Radiation Analysis vs SmartPLL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
InterSpec Radiation Analysis
Analyze nuclear radiation spectral data to identify nuclides, determine source activity, and calculate shielding. Supports various detector file formats and includes tools for dose rate calculations and nuclide decay information.
- Spectral nuclear radiation data analysis
- Nuclide identification
- Source activity determination
- Shielding amount calculation
- Spectral file format conversion
- Dose rate calculations
- Interactive nuclide decay information
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InterSpec assists in analyzing spectral nuclear radiation data, using a peak-based methodology. Common uses include identifying nuclides present, determining source activity, shielding amounts, source age, or other nuclear reactions present. InterSpec also provides a number of other tools useful for analyzing radiation data including spectral file format converting, dose rate calculations, interactive nuclide decay and reference information, gamma cross section calculations and references, and more. InterSpec can open data files from most common spectral radiation detectors (e.g., most NaI, HPGe, LaBr, CLYC, CsI, etc. based systems) and assist in their analysis.
SmartPLL
This application allows users to program and control Z-COMM SSG series Smart Phase Locked Loop (PLL) modules. Adjust frequency, sweep mode, step time, and power output via Bluetooth or USB. Features LED status indicators and a rugged design for field or benchtop use.
- Bluetooth programming
- USB connectivity
- Frequency adjustment
- Sweep mode control
- Step time and size configuration
- Power output adjustment
- LED status indicators
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The Z-COMM SSG series of Smart Phase Locked Loop (PLL) modules provide high performance in a compact package suitable for any number of applications. Fully programmable through a unique Bluetooth interface, or USB cable, the user may adjust functions such as frequency, sweep mode, step time, step size, and power output, among others. LED indicators provide a visual cue of the status of the various functions. Its rugged enclosure lends itself to in-field use as well as bench top testing. The highly reliable output signal, excellent phase noise, and flexibility of an internal reference or input for an external reference, provides RF engineers with an adaptable RF tool.
Screenshots
Verdict
The clearest difference is rating: SmartPLL at 5.0 against InterSpec Radiation Analysis's 4.2. InterSpec Radiation Analysis's advantage is ratings volume (10 vs 1) and iOS requirement (11.0 vs 13.1). On price, update cadence, ads and in-app purchases 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.
SmartPLL holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: InterSpec Radiation Analysis has 10 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 11 months. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.
| Parameter | InterSpec Radiation Analysis | SmartPLL |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (10 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 10 — better | 1 |
| Update frequency | Every 11 months | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.1 |
| Further details — not scored | ||
| Size | 80 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | William Johnson | Z-Communications |
Customer experience
InterSpec Radiation Analysis
SmartPLL
In-app purchases
InterSpec Radiation Analysis
No in-app purchases
SmartPLL
No in-app purchases
Questions
Is InterSpec Radiation Analysis free?
Is SmartPLL free?
Which has better reviews, InterSpec Radiation Analysis or SmartPLL?
Do InterSpec Radiation Analysis or SmartPLL have ads?
Which is updated more often, InterSpec Radiation Analysis or SmartPLL?
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