# Voltage Divider Calculator vs Watersmart Mobile

The clearest difference is rating: Voltage Divider Calculator at 3.3 against Watersmart Mobile's 1.0. Voltage Divider Calculator also leads on ratings volume (3 vs 1). Watersmart Mobile's advantage is update cadence (every 4 days vs every 11 months) and iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Voltage Divider Calculator holds the better App Store score, 3.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Voltage Divider Calculator ships an update every 11 months, Watersmart Mobile every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Voltage Divider Calculator | Watersmart Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/voltage-divider-calculator/id6505137107/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/watersmart-mobile/id6807075103/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 9 MB | 86 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [wilsonj pena](https://appshunter.io/developer/6807075105) |

## What reviewers say

### Voltage Divider Calculator

[App page](https://appshunter.io/ios/app/voltage-divider-calculator/id6505137107)

Calculate unknown values in voltage divider circuits with ease. Supports loaded dividers, power dissipation calculations, and finding standard resistor values. Ideal for students, hobbyists, and engineers.

**Highlights:** Calculate Vin, Vout, R1, R2, Support for loaded dividers (RL), Power dissipation calculation (P(R1), P(R2)), Find nearest standard E24 resistor values, Supports Ohms and Kilo-Ohms, Instant results as you type

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

**In-app purchases:** none


### Watersmart Mobile

[App page](https://appshunter.io/ios/app/watersmart-mobile/id6807075103)

Dispense purified water directly from your phone. Connect to San Jerónimo Ecotech machines, manage your balance, track usage, and locate nearby water points on a map.

**Highlights:** Dispense water via mobile, Connect to San Jerónimo Ecotech machines, Manage account balance, Track water consumption, Locate water points on map

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

**In-app purchases:** none


## Frequently asked questions

### Is Voltage Divider Calculator free?

Voltage Divider Calculator is free to download, with no in-app purchases.

### Is Watersmart Mobile free?

Watersmart Mobile is free to download, with no in-app purchases.

### Which has better reviews, Voltage Divider Calculator or Watersmart Mobile?

Voltage Divider Calculator is rated higher. Voltage Divider Calculator averages 3.3 out of 5 from 3 ratings, while Watersmart Mobile averages 1.0 from 1 ratings.

### Do Voltage Divider Calculator or Watersmart Mobile have ads?

Neither Voltage Divider Calculator nor Watersmart Mobile shows ads.

### Which is updated more often, Voltage Divider Calculator or Watersmart Mobile?

Voltage Divider Calculator ships an update every 11 months, and Watersmart Mobile every 4 days. Most recently, Voltage Divider Calculator was updated on November 4, 2026 and Watersmart Mobile on October 31, 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.*