Comparison

ElbowData vs Multi

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

Head to head
About

ElbowData

This utility app helps industrial piping professionals quickly visualize pipe and elbow dimensions based on ISO/ASME standards. It offers instant calculations for diameter, angle, and radius, with support for various elbow formats and segmented elbows.

Highlights
  • Pipe and elbow dimension visualization
  • ISO/ASME standard compliance
  • Diameter, angle, radius calculation
  • 2D/3D/5D elbow formats
  • Segmented elbow generation
  • PDF abacuses and isometric sheets
  • Inch/millimeter conversion
Features
Read full description

With version 10, the application allows you to quickly visualize relational values related to pipes and elbows (Carbon Steel / Stainless Steel) according to ISO / ASME standards, making it a practical tool for industrial piping. An ultra-fast and intuitive way to retrieve: Diameter → Angle → Radius → Extrados → Intrados, regardless of the angle or diameter, in a single step. This provides up to 810 possible entries with one click. With this version, you can choose how to control diameter selection: via a slider, or via pre-filled input fields. ElbowData is free forever. Features Elbow formats: 2D / 3D / 5D Segmented elbows (lobster back): 8 generators / 12 generators / 16 generators PDF abacuses and isometric sheets including: bill of materials based on the selected language, technical memo, generator templates Inch / millimeter conversion Scientific calculator optimized for industrial piping Saved language selection This version benefits from UI, design, and ergonomic optimizations. Advertisements are now non-intrusive, ensuring a smooth and free user experience, with rewarded ads and technical articles related to industrial piping. You can support the developer with your suggestions and/or access the premium version. Thank you! If you have any feedback about the application, feel free to contact me by email.

About

Multi

Calculate the weight of various metal alloys and shapes with a user-friendly interface. Supports multiple units for length and weight, and includes a comprehensive metal library. Offers additional tools like material comparison and hardness charts.

Highlights
  • Weight calculation for multiple metal alloys
  • Supports various geometric shapes
  • Flexible unit conversion for length and weight
  • Comprehensive metal library
  • Material comparison tools
  • Temper charts and hardness data
Features
Read full description

Introducing the Universal Metal Weight Calculator, your one-stop solution for calculating the weight of various metal alloys including aluminum, brass, copper, iron, gold, and more. With an easy-to-use interface and the ability to convert between multiple units, our app now does more than ever before. Calculate weight for a variety of shapes: Whether you're working with a rectangular prism, ring prism, hexagonal shape, or any other complex geometry, our app provides accurate weight calculations. Wide variety of metals: Now featuring more than just aluminum, we have expanded to include a variety of metals such as brass, copper, iron, gold, nickel, platinum, and many others. Our comprehensive metal library helps you calculate weight with ease, regardless of the alloy you're using. Versatile unit conversion: We understand the importance of flexibility in units while making calculations. Therefore, our app now supports a range of length units including millimeters, centimeters, meters, inches, feet, and yards for defining sizes. Moreover, weight units such as micrograms, milligrams, grams, kilograms, and various imperial units can be chosen for your final weight result. User-friendly interface: Our app maintains a clean and intuitive interface to ensure user-friendliness, allowing for quick and efficient calculations. Accurate calculations: Built with a sophisticated algorithm, our app ensures the most accurate weight calculations for your peace of mind. Download the Universal Metal Weight Calculator today and streamline your metal weight calculations. For professionals working with different metal alloys, our app is an indispensable tool to increase efficiency and accuracy. We added: Materials Comparison, Temper Charts, Hardness To Tensile, Thickness Table, Gauge Table, Fraction Conversion, Melting Points Added: Structural Strength Surface Area Calculator Metal Compatibility Chart Machining Parameters Vibration Damping Properties Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ElbowData4 screens
Multi4 screens

Verdict

The call

The clearest difference is review sentiment: ElbowData at 75% against Multi's 0%. ElbowData also leads on monetization model (ad-supported vs free with in-app purchases). Multi's advantage is rating (5.0 vs 3.0) and ads (none vs shown). On price, ratings volume, update cadence and in-app purchases 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. ElbowData sells 1 one-off in-app purchase and Multi sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Multi holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews complicate that: 75% of ElbowData's written reviews are positive against 0% of Multi's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
ElbowData versus Multi: the parameters behind the verdict, then further details
ParameterElbowDataMulti
PriceFreeFree
Rating3.0 (2 ratings)5.0 (3 ratings) — better
Positive reviews75.0% of reviews — better0.0% of reviews
Number of ratings23 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.2
Further details — not scored
Size42 MB10 MB
Age rating4+4+
DeveloperELM-webVladislav Zhirnov

Customer experience

ElbowData

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Multi

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

ElbowData

One-time1
  • Premium version$1.99
3 purchases

Multi

Subscriptions2
  • Full version monthly$0.991 Month
  • Full version / year$3.991 Year
One-time1
  • Remove ADS$6.99

Questions

Is ElbowData free?
ElbowData is free to download, with in-app purchases available.
Is Multi free?
Multi is free to download, with in-app purchases available.
Which has better reviews, ElbowData or Multi?
Multi is rated higher. ElbowData averages 3.0 out of 5 from 2 ratings, while Multi averages 5.0 from 3 ratings.
Do ElbowData or Multi have ads?
ElbowData shows ads; Multi does not.
Which is updated more often, ElbowData or Multi?
ElbowData ships an update every 2 months, and Multi every 2 months. Most recently, ElbowData was updated on September 22, 2026 and Multi on October 8, 2026.

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