Gamma Calculator Pro vs GOARC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gamma Calculator Pro
This app simplifies radiation exposure calculations for industrial radiography sources like Iridium-192. It allows users to input thickness, activity, and distance to determine correct exposure times, and also offers features for geometric unsharpness, exposure correction, and decay calculations.
- Exposure Time Calculator
- Geometric Unsharpness Calculator
- Exposure Correction Calculator
- Decay Calculator
- Barricade Calculator
- Pipe Schedule Selector
- Material Density Calculations
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Save time with this exposure calculator for Iridium-192, Selinium-75 and Cobalt-60 sources. No more need to calculate the formula or use of the "old-school plastic calculator" Simply fill in the thickness, activity(in Curies) and source-film-distance and you get the correct exposure time. R factor for different densities and film types. For materials: Iron(steel), Concrete, Tungsten, Lead, Aluminum, Titanium, Copper, Zinc, Brass, Inconel X, Zirconium and Uranium. Features: - Exposure Time calculator - Geometric Unsharpness calculator - Exposure Correction calculator - Decay calculator - Barricade calculator - Pipe Schedule selector (single/double wall) - Weld enforcement setting - Iridium 192 Emissivity setting - inch/mm setting
GOARC
This enterprise solution connects best practices and organizational knowledge to enhance safety performance. It uses predictive analytics to prevent work accidents, saving lives and money while empowering compliance.
- Predictive analytics for accident prevention
- Improves safety performance
- Empowers compliance
- Connects best practices and organizational know-how
- Reduces risks for accidents
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Every Job. Done Right. GOARC is a worker-centered Control of Work platform connecting frontline execution with operational visibility and control. Built for industrial environments, GOARC brings job instructions, safety requirements, and operating context into the flow of work, helping employees and contractors perform their jobs safely and correctly. With GOARC, your teams can: • Access and manage permits to work. • Report hazards, observations, and incidents. • Follow work instructions and complete safety checklists. • Create and track follow-up actions. • Share critical information across teams and shifts. Guidance at the frontline. Control across the operation. Keep workers connected to what they need to do, while giving Operations, Maintenance, and HSE visibility into work in progress and issues that need attention. Safer work. More reliable operations. A GOARC account provided by your organization is required. Available features depend on your organization's configuration and your user permissions.
Screenshots
Verdict
The clearest difference is review sentiment: GOARC at 100% against Gamma Calculator Pro's 53%. GOARC also leads on price (Free vs $3.99) and update cadence (every 6 weeks vs every 5 months). Gamma Calculator Pro's advantage is chart position (#12 vs unranked). On 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
GOARC is free to download; Gamma Calculator Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Gamma Calculator Pro ships an update every 5 months, GOARC every 6 weeks. Both last shipped on November 6, 2026.
| Parameter | Gamma Calculator Pro | GOARC |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 3.6 (19 ratings) — better | — |
| Positive reviews | 52.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 19 — better | — |
| Update frequency | Every 5 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #12 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 3 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | Gerrit kleyn Winkel | Go-Arc LTD. |
Customer experience
Gamma Calculator Pro
GOARC
In-app purchases
Gamma Calculator Pro
No in-app purchases
GOARC
No in-app purchases
Questions
Is Gamma Calculator Pro free?
Is GOARC free?
Do Gamma Calculator Pro or GOARC have ads?
Which is updated more often, Gamma Calculator Pro or GOARC?
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