# IES ShapeDB vs Voltage Drop Calculators

The clearest difference is price: IES ShapeDB at Free against Voltage Drop Calculators's $3.99. IES ShapeDB also leads on rating (5.0 vs 4.0) and iOS requirement (9.3 vs 15.6). Voltage Drop Calculators's advantage is ratings volume (4 vs 1). On update cadence, ads, in-app purchases and device support there is nothing between them.

IES ShapeDB is free to download; Voltage Drop Calculators costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

IES ShapeDB holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on June 25, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | IES ShapeDB | Voltage Drop Calculators |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ies-shapedb/id1068309510/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/voltage-drop-calculators/id6464050324/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | Every 7 months |
| Monetization | **Free** | Paid |
| Size | 81 MB | 67 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [INTEGRATED ENGINEERING SOFTWARE INC](https://appshunter.io/developer/1068309509) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## What reviewers say

### IES ShapeDB

[App page](https://appshunter.io/ios/app/ies-shapedb/id1068309510)

Access a comprehensive database of over 18,000 structural shapes and their engineering properties. Perform simple beam and column stress analysis for various materials like steel, wood, aluminum, rebar, and cables. Ideal for field use by engineers.

**Highlights:** 18,000+ structural shapes, Engineering properties database, Simple beam stress analysis, Column stress analysis, Supports steel, wood, aluminum, rebar, cables, Calculates bending and combined stresses

**Features:** macOS Compatibility

**In-app purchases:** none


### Voltage Drop Calculators

[App page](https://appshunter.io/ios/app/voltage-drop-calculators/id6464050324)

This tool helps electrical professionals and students perform quick and accurate voltage drop calculations. It features a user-friendly interface, a material database, and the ability to save circuit details for efficient system design and compliance.

**Highlights:** Fast voltage drop calculations, Built-in material database, Custom material support, Save circuit details, Unit conversion, Recommended wire size guidance

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IES ShapeDB free?

IES ShapeDB is free to download, with no in-app purchases.

### Is Voltage Drop Calculators free?

Voltage Drop Calculators costs $3.99, with no in-app purchases.

### Which has better reviews, IES ShapeDB or Voltage Drop Calculators?

IES ShapeDB is rated higher. IES ShapeDB averages 5.0 out of 5 from 1 ratings, while Voltage Drop Calculators averages 4.0 from 4 ratings.

### Do IES ShapeDB or Voltage Drop Calculators have ads?

Neither IES ShapeDB nor Voltage Drop Calculators shows ads.

### Which is updated more often, IES ShapeDB or Voltage Drop Calculators?

IES ShapeDB ships an update every 7 months, and Voltage Drop Calculators every 7 months. Most recently, IES ShapeDB was updated on June 25, 2026 and Voltage Drop Calculators on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*