# Voltage Divider vs Chronographer

The clearest difference is price: Chronographer at Free against Voltage Divider's $1.99. Chronographer also leads on update cadence (every 2 months vs every 48 months) and rating (3.0 vs 2.7). Voltage Divider's advantage is iOS requirement (12.0 vs 18.6). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

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

Chronographer holds the better App Store score, 3.0 against 2.7. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews complicate that: 56% of Voltage Divider's written reviews are positive against 50% of Chronographer's, so the app with the better star average is not the one people write more warmly about.

Voltage Divider ships an update every 48 months, Chronographer every 2 months. The most recent releases landed on June 23, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | Voltage Divider | Chronographer |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/voltage-divider/id372094728/reviews) | **[3.0 (4 ratings)](https://appshunter.io/ios/app/chronographer/id6448242917/reviews)** |
| Number of ratings | 3 | **4** |
| Positive reviews | **55.6% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 3 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ditty Labs, LLC](https://appshunter.io/developer/420813089) | [Robert France](https://appshunter.io/developer/1684138105) |

## 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


### Chronographer

[App page](https://appshunter.io/ios/app/chronographer/id6448242917)

This app helps you meticulously track the accuracy of your mechanical watches. It records time differences, calculates detailed performance metrics, and visualizes trends with charts and histograms. You can also manage your watch collection, log daily wear, and analyze positional variations.

**Highlights:** Track mechanical watch accuracy, Calculate detailed performance metrics, Visualize accuracy with charts and histograms, Manage watch collection with notes and photos, Log daily watch wear, Analyze positional variation, Export watch data

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

**In-app purchases:** none


## Frequently asked questions

### Is Voltage Divider free?

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

### Is Chronographer free?

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

### Which has better reviews, Voltage Divider or Chronographer?

Chronographer is rated higher. Voltage Divider averages 2.7 out of 5 from 3 ratings, while Chronographer averages 3.0 from 4 ratings.

### Do Voltage Divider or Chronographer have ads?

Neither Voltage Divider nor Chronographer shows ads.

### Which is updated more often, Voltage Divider or Chronographer?

Voltage Divider ships an update every 48 months, and Chronographer every 2 months. Most recently, Voltage Divider was updated on June 23, 2026 and Chronographer on August 9, 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.*