Comparison

eWCAT vs Roscoe Moss Calculator App

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

eWCAT

Features
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eWCAT, electronic Well Control Assurance Tool - a tool to help monitor and manage well control compliance, provides a detailed view of the current well control compliance status of every work unit under contract, and can be used to report KPI Key Performance Indicator data. It helps ensure consistency, rigour and transparency throughout your company in the assurance of well control. The objective is to reduce the risk of a major well control incident occurring.

About

Roscoe Moss Calculator App

Features
Read full description

Roscoe Moss Company has been a trailblazer in the world of water well drilling and screen manufacturing for almost 100 years. The professionals at Roscoe Moss Company have developed this app to be a useful addition to any well driller, consultant or well owner’s tool box. This app is equip with dozens of calculators used in the design and construction of water wells. Calculator features include: Β· Collapse Strength Β· Yield Strength Β· Casing String Weight Β· Safe Cementing Depths Β· Flow Rates Β· Open Area Β· Pumping Costs Β· Gravel Requirements Additional Features: Β· Technical Memorandums covering over 60 topics Β· Published Technical Reports from third party professionals Β· Photos & Videos of products and installations

Screenshots

eWCAT4 screens
Roscoe Moss Calculator App3 screens

Verdict

The call

The clearest difference is update cadence: eWCAT at every 3 weeks against Roscoe Moss Calculator App's every 4 months. eWCAT also leads on iOS requirement (9.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

eWCAT ships an update every 3 weeks, Roscoe Moss Calculator App every 4 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

Scorecard2 real differences Β· 4 level
eWCAT versus Roscoe Moss Calculator App: the parameters behind the verdict, then further details
ParametereWCATRoscoe Moss Calculator App
PriceFreeFree
Update frequencyEvery 3 weeks β€” betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS9.0 β€” better16.6
Further details β€” not scored
Size41 MB21 MB
Age rating4+4+
DeveloperEraze Computer Software B.V.Roscoe Moss Manufacturing Company

In-app purchases

None

eWCAT

No in-app purchases

None

Roscoe Moss Calculator App

No in-app purchases

Questions

Is eWCAT free?
eWCAT is free to download, with no in-app purchases.
Is Roscoe Moss Calculator App free?
Roscoe Moss Calculator App is free to download, with no in-app purchases.
Do eWCAT or Roscoe Moss Calculator App have ads?
Neither eWCAT nor Roscoe Moss Calculator App shows ads.
Which is updated more often, eWCAT or Roscoe Moss Calculator App?
eWCAT ships an update every 3 weeks, and Roscoe Moss Calculator App every 4 months. Most recently, eWCAT was updated on October 27, 2026 and Roscoe Moss Calculator App on November 3, 2026.

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