Comparison

Combine Fluids vs Mud Man Pro

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

Head to head
About

Combine Fluids

This utility app helps oil and gas professionals quickly calculate fluid volume combinations. It allows users to input various fluid types and density requirements, saving different mix possibilities for specific wells.

Highlights
  • Combine up to 10 fluid types
  • Save fluid mix possibilities per well
  • Calculate volume combinations
  • Input mud density requirements
  • Supports volume limitations or not
Features
Read full description

Combine Fluids The creators of the top-rated app, Oilfield Calendar, offer a solution to another oilfield problem. Combine Fluids is designed to provide fast answers for everyday calculations. Combine Fluids, a simple to use calculator for the oil and gas professional. • Combine up to 10 different fluid types. • Save different mix possibilities for different wells. • From Mud Men to Derrick Men, anyone combining fluids will have a new favorite app. • Built by Oilfield guys for Oilfield user’s, putting out the best productivity apps in the industry. How to use Combine Fluids • Select weather you have volume limitations or not. • Enter your current or desired mud density, the mixing requirements will then be displayed for that information. • Save your parameters and create more volume combinations as needed. You’ve got your hardhat, steal toes, and safety glasses, now add Combine Fluids to the essential tools you need when working in the patch. Make your calculations easy, keep your life turning to the right. ** Feel free to drop us a line! We’re always listening to your suggestions and strive to improve our apps! If you have any feedback just contact us, support@archimedesworkshop.co ** ** Are you happy with the Combine Fluids app? We’d love to hear about it! Please take a moment to leave us a nice review, it truly helps us continue creating great tools for the industry! ** While you’re in the sharing mood, go ahead and post about it on Facebook too, Be Good!

About

Mud Man Pro

This offline drilling fluid calculator provides essential tools for mud engineers on the rig. It offers over 20 specialized calculators for various fluid properties and operations, along with a comprehensive field notes library. Designed for speed and accuracy without internet dependency.

Highlights
  • 20+ drilling fluid calculators
  • OBM and WBM support
  • Offline functionality
  • Field notes library
  • Pilot test converter
  • Hitch calendar
Features
Read full description

Mud Man Pro is a field-ready drilling fluid calculator built by a mud engineer for mud engineers. Whether you're running OBM or WBM, Mud Man Pro gives you fast, accurate calculations right on the rig — no internet required, no fluff, just the tools you actually need on the job. Features include 20+ calculators covering rheology, mud weight, pump output, ECD, hydrostatic pressure, kick tolerance, brine builder, retort analysis, dilution and mixing, pipe displacement, strokes, LCM pill, centrifuge G-force, and more. Also includes a pilot test converter, hitch calendar, and a comprehensive field notes library covering OBM, WBM, solids, testing procedures, and chemical behavior — all written from real field experience. Built for working mud engineers who need reliable answers fast.

Screenshots

Combine Fluids4 screens
Mud Man Pro4 screens

Verdict

The call

The clearest difference is price: Mud Man Pro at Free against Combine Fluids's $0.99. Mud Man Pro also leads on rating (5.0 vs 3.7). Combine Fluids's advantage is update cadence (monthly vs every 4 months) and ratings volume (3 vs 1). 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

CostPrice · In-app purchases · Ads · Monetization

Mud Man Pro is free to download; Combine Fluids costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Mud Man Pro holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

Combine Fluids ships an update monthly, Mud Man Pro every 4 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

Scorecard6 real differences · 4 level
Combine Fluids versus Mud Man Pro: the parameters behind the verdict, then further details
ParameterCombine FluidsMud Man Pro
Price$0.99Free — better
Rating3.7 (3 ratings)5.0 (1 ratings) — better
Positive reviews66.7% of reviews—
Number of ratings3 — better1
Update frequencyMonthly — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS10.0 — better16.0
Further details — not scored
Size85 MB3 MB
Age rating4+4+
DeveloperGoodStampColten Meadows

Customer experience

Combine Fluids

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Mud Man Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Combine Fluids

No in-app purchases

None

Mud Man Pro

No in-app purchases

Questions

Is Combine Fluids free?
Combine Fluids costs $0.99, with no in-app purchases.
Is Mud Man Pro free?
Mud Man Pro is free to download, with no in-app purchases.
Which has better reviews, Combine Fluids or Mud Man Pro?
Mud Man Pro is rated higher. Combine Fluids averages 3.7 out of 5 from 3 ratings, while Mud Man Pro averages 5.0 from 1 ratings.
Do Combine Fluids or Mud Man Pro have ads?
Neither Combine Fluids nor Mud Man Pro shows ads.
Which is updated more often, Combine Fluids or Mud Man Pro?
Combine Fluids ships an update monthly, and Mud Man Pro every 4 months. Most recently, Combine Fluids was updated on October 7, 2026 and Mud Man Pro on October 11, 2026.

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