InterSpec Radiation Analysis vs JExpress
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.
JExpress
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JExpress is an application for logistic services.
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Verdict
The clearest difference is update cadence: JExpress at monthly against InterSpec Radiation Analysis's every 11 months. 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.
InterSpec Radiation Analysis ships an update every 11 months, JExpress monthly. The most recent releases landed on October 17, 2026 and September 21, 2026 respectively.
| Parameter | InterSpec Radiation Analysis | JExpress |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (10 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 11 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 11.0 |
| Further details — not scored | ||
| Size | 80 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | William Johnson | Rubik Smart Solutions |
In-app purchases
InterSpec Radiation Analysis
No in-app purchases
JExpress
No in-app purchases
Questions
Is InterSpec Radiation Analysis free?
Is JExpress free?
Do InterSpec Radiation Analysis or JExpress have ads?
Which is updated more often, InterSpec Radiation Analysis or JExpress?
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