Comparison

TDH Calculator vs UnitsConv

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

Head to head

★ 4.33 ratingsView app →

About

TDH Calculator

Features

Read full description

Help calculate the Total Dynamic Head of a plumbing system given equivalent lengths of pipe, pipe size, flow rate and static / discharge head pressure.

About

UnitsConv

This app provides conversion factors for 28 common properties used in multiphysics simulations and finite element analysis. It's a free tool designed for engineers and researchers working with complex physical models.

Highlights

28 conversion properties
Multiphysics simulation support
Finite element analysis (FEA) focus
Free to use
Supports iPhone, iPad, and iPod

Features

Read full description

Units conversion app with conversion factors for 28 properties commonly used in multiphysics simulations and finite element analysis (FEA).

Screenshots

TDH Calculator2 screens

UnitsConv1 screens

Verdict

The call

The clearest difference is iOS requirement: TDH Calculator at 7.0 against UnitsConv's 12.0. 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

CostPrice · In-app purchases · Ads · Monetization

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

Scorecard1 real difference · 8 level

TDH Calculator versus UnitsConv: the parameters behind the verdict, then further details
Parameter	TDH Calculator	UnitsConv
Price	Free	Free
Rating	—	4.3 (3 ratings) — better
Number of ratings	—	3 — better
Update frequency	—	Every 4 months
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	7.0 — better	12.0
Further details — not scored
Size	1 MB	8 MB
Age rating	4+	4+
Developer	Jeffrey Iverson	john selverian