LDM Valves vs Euler Gamma
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
LDM Valves
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This programme is designed for calculation of Kvs/Cvs of industrial valves.
Euler Gamma
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The all-in-one calculator suite for industrial gamma radiography professionals. Whether you're planning an exposure, calculating safety boundaries, or verifying ASME compliance â Euler Gamma delivers accurate results instantly, right from your pocket. Trusted by NDT technicians, RSOs, and radiography crews worldwide. WHAT YOU GET ⢠Decay Calculator â Activity remaining after any elapsed time for Ir-192, Se-75, and Co-60 ⢠Dose Rate Calculator â Inverse-square law with real-time results in mR/hr, ÂľSv/hr, and more ⢠Barricade Calculator â Safety boundary distances per NRC 10 CFR 20 guidelines ⢠HVL Shielding Calculator â Half-Value Layer attenuation for Steel, Lead, Concrete, and more ⢠Unsharpness Calculator â Geometric unsharpness (Ug) with ASME V Article 2 pass/fail checks ⢠Reference Data â Built-in gamma constants, material properties, and occupancy factors BUILT FOR THE FIELD ⢠Works offline â no internet required at the job site ⢠Clean, fast interface designed for one-handed use ⢠Supports both SI and US customary units ⢠Results you can screenshot and share instantly COMPLIANCE YOU CAN TRUST Physical constants validated against NIST, ICRP, and NRC publications. ASME Section V limits built-in. Know your numbers are right â every single time. Download Euler Gamma today and make every shot safer and more precise.
Screenshots
Verdict
The clearest difference is update cadence: Euler Gamma at every 9 days against LDM Valves's every 5 months. LDM Valves's advantage is iOS requirement (15.3 vs 17.0). 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.
LDM Valves ships an update every 5 months, Euler Gamma every 9 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | LDM Valves | Euler Gamma |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 9 days â better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod â better | iPhone, iPad |
| Requires iOS | 15.3 â better | 17.0 |
| Further details â not scored | ||
| Size | 37 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | LDM, spol. s r.o. | éł ĺ˘ |
In-app purchases
LDM Valves
No in-app purchases
Euler Gamma
No in-app purchases









