Gamma Calculator Pro
Store data observed · From public App Store data · How we score apps
- Business
- App Store
- United States
- 3.619 ratings
- Paid $3.99
- Updated
- Observed
Est. monthly revenue
EstimatedEst. monthly downloads
Estimated90-day growth
Opportunity score
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About Gamma Calculator ProObserved
Gamma Calculator Pro is a Business app by Gerrit kleyn Winkel on the United States App Store. Released May 5, 2014; last updated Mar 20, 2026 (version 2.7.1). Gamma Calculator Pro costs $3.99 to download.
Gamma Calculator Pro has a 3.6-star average rating from 19 ratings on the United States App Store as of Oct 8, 2026. On Oct 9, 2026, Gamma Calculator Pro ranked #17 on the Business top chart. MRRBeam rates the success of Gamma Calculator Pro 29/100 (early stage).
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.
- Success score
- 29/100 Early stage
- In Business
- Outside the top 100
- Chart position
- #17 in Businesson Oct 9, 2026
- Developer
- Gerrit kleyn Winkel
Top Business apps
The most successful Business apps MRRBeam tracks in the United States.
Gamma Calculator Pro: common questions
- What is Gamma Calculator Pro?
- Gamma Calculator Pro is a Business app developed by Gerrit kleyn Winkel, available on the App Store. It was first released on May 5, 2014.
- How is Gamma Calculator Pro rated?
- Gamma Calculator Pro has a 3.6-star average rating from 19 ratings on the United States App Store as of Oct 8, 2026.
- How much money does Gamma Calculator Pro make?
- MRRBeam estimates Gamma Calculator Pro makes about $1.9K–$8.1K a month in revenue from 530–1.6K downloads a month, based on its #17 position on the Business paid chart. This is a modelled estimate, not reported data.
- How many downloads does Gamma Calculator Pro get?
- About 530–1.6K downloads a month, by MRRBeam's estimate from its chart position. Apple does not publish download counts.
- How much does Gamma Calculator Pro cost?
- Gamma Calculator Pro costs $3.99 to download.
- Is Gamma Calculator Pro successful?
- On Oct 9, 2026, Gamma Calculator Pro ranked #17 on the Business top chart. MRRBeam rates the success of Gamma Calculator Pro 29/100 (early stage). The success score combines rating volume, chart position and average rating.
- When was Gamma Calculator Pro last updated?
- Gamma Calculator Pro was last updated on Mar 20, 2026 (version 2.7.1).
- What are alternatives to Gamma Calculator Pro?
- Similar Business apps tracked by MRRBeam include Microsoft Teams, Indeed Job Search, Zoom Workplace, ADP Mobile Solutions and DoorDash - Dasher.
- Is there room to build a competitor to Gamma Calculator Pro?
- MRRBeam's opportunity score for Gamma Calculator Pro is 44/100. Limited opening: an older app, modest estimated revenue and low price points.