# Voltage Divider vs CentraDesign Lite

The clearest difference is price: CentraDesign Lite at Free against Voltage Divider's $1.99. CentraDesign Lite also leads on rating (5.0 vs 2.7) and update cadence (every 21 months vs every 48 months). Voltage Divider's advantage is ratings volume (3 vs 1). On ads, in-app purchases and device support there is nothing between them.

CentraDesign Lite is free to download; Voltage Divider costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CentraDesign Lite holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Voltage Divider ships an update every 48 months, CentraDesign Lite every 21 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Voltage Divider | CentraDesign Lite |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/voltage-divider/id372094728/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/centradesign-lite/id1157895841/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 21 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 13 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ditty Labs, LLC](https://appshunter.io/developer/420813089) | [Pegasus Vertex, Inc.](https://appshunter.io/developer/954796003) |

## What reviewers say

### Voltage Divider

[App page](https://appshunter.io/ios/app/voltage-divider/id372094728)

This engineering utility calculates unknown values in a voltage divider circuit. It can solve for voltages or resistor values, displaying ideal and actual resistor options. It also shows current, power, and voltage tolerance.

**Highlights:** Solves for Vin, Vout, R1, or R2, Resistor picker with actual values, Displays ideal resistor value, Calculates voltage tolerance, Shows current and power consumption

**Features:** macOS Compatibility

**In-app purchases:** none


### CentraDesign Lite

[App page](https://appshunter.io/ios/app/centradesign-lite/id1157895841)

This utility app calculates casing standoff and clearance for oil and gas wells. It considers various factors like pipe sizes, inclination, buoyancy, and side force. Users can visualize casing deflection in 2D and 3D.

**Highlights:** Bow spring and rigid centralizer database, Centralizer and casing database, Calculates casing standoff and clearance, Considers buoyancy and side force, 2D and 3D casing deflection view

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Voltage Divider free?

Voltage Divider costs $1.99, with no in-app purchases.

### Is CentraDesign Lite free?

CentraDesign Lite is free to download, with no in-app purchases.

### Which has better reviews, Voltage Divider or CentraDesign Lite?

CentraDesign Lite is rated higher. Voltage Divider averages 2.7 out of 5 from 3 ratings, while CentraDesign Lite averages 5.0 from 1 ratings.

### Do Voltage Divider or CentraDesign Lite have ads?

Neither Voltage Divider nor CentraDesign Lite shows ads.

### Which is updated more often, Voltage Divider or CentraDesign Lite?

Voltage Divider ships an update every 48 months, and CentraDesign Lite every 21 months. Most recently, Voltage Divider was updated on October 8, 2026 and CentraDesign Lite on October 3, 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.*